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Thread: Audi A4 CGLC limp mode

  1. #1
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    Audi A4 CGLC limp mode

    Hi all

    Just had a fault crop up on my 2012 A4 CGLC Quattro where it drops into limp mode and throws the ESC Light on with a flashing Glow plug light.

    Plugged it in when I got home and seen there was a few fault codes on the Sensor Reference Voltage B - Open Circuit.

    When the fault comes on, either running or sat with ignition on, the revs increase to 1000rpm over standard 750rpm and the lights mentioned above illuminate. Theres also a change in engine note and engine is pretty shuddery when stopping. Upon restarting, it can often turn over a couple turns rather than firing up straight away.

    Only things done to the car is a ECU remap and a EGR blank (remapped due to EGR throwing codes up causing limp about 2 years ago and been perfect since)

    Ive included a full VCDS scan below for reference.

    Any help appreciated.

    Chris


    Code:
    Sunday,08,December,2019,15:50:50:09611
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows XP x86
    VCDS Version: 19.6.1.0
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    VIN: WAUZZZ8K9Dxxxxx   License Plate: CHSSCFULL
    Mileage: 103950km-64591mi   Repair Order: 
    
    
    Chassis Type: 8K-AU48 (8R0)
    Scan: 01 03 05 08 09 15 16 17 19 2E 42 44 46 47 52 53 56 62 72 77
             
    
    VIN: WAUZZZ8K9DA01xxxxx   Mileage: 103950km-64591miles
    
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: Malfunction 0010
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: Malfunction 0010
    2E-Media Player 3 -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: Malfunction 0010
    46-Central Conv. -- Status: OK 0000
    47-Sound System -- Status: Malfunction 0010
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: Malfunction 0010
    56-Radio -- Status: Malfunction 0010
    62-Door, Rear Left -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: OK 0000
     
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CGLC)       Labels:. 03L-906-018-CGL.clb
       Part No SW: 03L 906 018 JH    HW: 03L 906 018 JL
       Component: R4 2,0L EDC   H25 2903  
       Revision: 45H25---    
       Coding: 0A194012242601080000
       Shop #: WSC 06324 000 00000
       ASAM Dataset: EV_ECM20TDI01103L906018JH 003003
       ROD: EV_ECM20TDI01103L906018JG.rod
       VCID: 79F303EDF8FCD987DE-802C
    
    2 Faults Found:
    4698 - Function Restriction due to Faults in Other Modules 
              U1113 00 [032] - -
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 1
                        Mileage: 103925 km
                        Date: 2019.12.08
                        Time: 13:20:13
    
                        Engine speed: 1778.50 /min
                        Normed load value: 5.5 %
                        Vehicle speed: 90 km/h
                        Coolant temperature: 85 °C
                        Intake air temperature: 12 °C
                        Ambient air pressure: 970 mbar
                        Voltage terminal 30: 14.700 V
                        Unlearning counter according OBD: 40
                        Cruise Control System (CCS): switch position-Bits 0-7: 129
                        Cruise Control System (CCS): status-Bits 0-7: 232
                        Cruise control switch-off: irreversible-Bits 0-7: 4
                        Cruise control switch-off: reversible-Bits 0-7: 15
                        Cruise Control System: specified speed: 0.00 km/h
                        Engine control module reset status-Bits 0-7: 0
                        Engine control module reset status-Bits 0-7: 0
                        Cruise control switch-off: irreversible w. brake intervention-Bits 0-7: 16
    
    4124 - Sensor Reference Voltage B 
              P0651 00 [032] - Open Circuit
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 2
                        Mileage: 103925 km
                        Date: 2019.12.08
                        Time: 13:20:12
    
                        Engine speed: 1745.00 /min
                        Normed load value: 60.8 %
                        Vehicle speed: 90 km/h
                        Coolant temperature: 85 °C
                        Intake air temperature: 12 °C
                        Ambient air pressure: 970 mbar
                        Voltage terminal 30: 14.700 V
                        Unlearning counter according OBD: 40
                        Exh.gas temp.sen 1: 485.0 °C
                        Exh.gas temp.sen 2: -0.0 °C
                        Exh.gas temp.sen 3: 342.2 °C
                        Exh.gas temp.sen 4: 287.6 °C
                        Shut-off timer: last engine shut-off time: 719 s
    
    Readiness: 0 0 0 0 X 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels:. 8K0-907-379-V1.clb
       Part No SW: 8K0 907 379 CJ    HW: 8K0 907 379 CJ
       Component: ESP8 quattro  H09 0100  
       Revision: --------    Serial number: --------------
       Coding: 181544
       Shop #: WSC 06325 000 00000
       VCID: 030F61058230935784-8056
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
       Part No SW: 8K0 907 064 FE    HW: 8K0 907 064 FE
       Component: BCM2 2.0      H10 0602  
       Revision: 00002001    
       Coding: 03B10000000000000000
       Shop #: WSC 06325 000 00000
       VCID: 78F506E9CBF6C08FA1-802C
    
       Subsystem 1 - Part No SW: 8T0 959 754 D    HW: 8T0 959 754 D
       Component: FBSAUDIB8 IDG  H60 0072 
       Serial number: 0812000007530014    
    
       Subsystem 2 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
       Component: J764 ELV MLB  H40 0046 
       Serial number: 2312000002761004    
    
    1 Fault Found:
    00956 - Key 2 
                002 - Lower Limit Exceeded - Intermittent
                 Freeze Frame:
                        Fault Status: 00100010
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 234
                        Mileage: 102524 km
                        Time Indication: 0
                        Date: 2019.10.06
                        Time: 09:57:04
    
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels: None
       Part No SW: 8K2 820 043 AC    HW: 8K2 820 043 AC
       Component: KLIMA 3 ZONEN H04 0122  
       Revision: D0000000    Serial number: 01310120121717
       Coding: 342402E000
       Shop #: WSC 06325 000 00000
       VCID: 6AD12CA1855A621F27-803E
    
    1 Fault Found:
    01314 - Engine Control Module 
                013 - Check DTC Memory - Intermittent
                 Freeze Frame:
                        Fault Status: 00101101
                        Fault Priority: 6
                        Fault Frequency: 14
                        Reset counter: 3
                        Mileage: 103925 km
                        Time Indication: 0
                        Date: 2019.12.08
                        Time: 13:20:13
    
                 Freeze Frame:
                        Temperature: 7.0°C
                        RPM: 1800 /min
                        Speed: 90.0 km/h
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
       Part No SW: 8K0 907 063 DG    HW: 8K0 907 063 AG
       Component: BCM1 1.0      H14 0103  
       Revision: 07014001    Serial number: 00000025901802
       Coding: 260000118034AFC00081400000001D0D401D030827090201000008000400030100000024000000
       Shop #: WSC 00783 210 84012
       VCID: 77F705D5C6E8CFF7A8-8022
    
       Subsystem 1 - Part No SW: 8K2 955 119 A    HW: 8T2 955 119   Labels: 1KX-955-119.CLB
       Component: WWS 250112  H06 0070 
       Serial number: SWF12010250214      
       Coding: 00FD11
    
       Subsystem 2 - Part No SW: 8U0 955 559 B    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
       Component: G397_RLFS  H06 0001 
       Serial number: 20131050            
       Coding: 02005D
    
       Subsystem 3 - Part No SW: 8K0 941 531 AS    HW: 8K0 941 531 AS
       Component: E1 - LDS  H03 0031 
       Serial number: 00000000001901123251
    
       Subsystem 4 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
       Component: AQ_Hum_Sensor  H02 0002 
       Serial number: 87488C06000000000001
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:* 8K0-959-655.clb
       Part No SW: 8K0 959 655 N    HW: 8K0 959 655 N
       Component: AirbagVW-AU10 H45 0610  
       Serial number: 003KFD90MJ6L  
       Coding: 30534435363030303030554A3052384B3053
       Shop #: WSC 63301 000 1048576
       ASAM Dataset: EV_AirbaECUVWAUDI010 003010
       ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
       VCID: 4895B629F396700F11-801C
    
       Crash sensor for side airbag: driver side: 
       Serial number: 6334MSME6A12397DO
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 6344MSME6A133544A
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 6352QSME56693146H
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 6362QSME0B6A124CO
    
       Crash sensor for front airbag: driver side: 
       Serial number: 63732SME17683C50+
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 63832SME17683376+
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
       Part No SW: 8R0 953 568 Q    HW: 8R0 953 568 Q
       Component: Lenks.Modul   H02 0171  
       Revision: 00000000    Serial number: 20120130001213
       Coding: 000016
       Shop #: WSC 06325 000 00000
       VCID: 4FA79D351EF8A73750-801A
    
       Component: E221 - MFL  H03 0003 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
       Part No SW: 8K0 920 982 B    HW: 8K0 920 982 B
       Component: KOMBIINSTR.   H16 0640  
       Revision: 00100000    Serial number: M3B32GNDC     
       Coding: 331D090002012600010001
       Shop #: WSC 06325 123 12345
       VCID: 336FF1C59210E3D754-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
       Part No SW: 8R0 907 468 A    HW: 8R0 907 468 A
       Component: GW-BEM 5CAN   H10 0025  
       Revision: 1V040013    Serial number: 1341V12118863C
       Coding: 00CF07FF00
       Shop #: WSC 06325 000 00000
       VCID: 3D7BD7FDA45425A7B2-8068
    
       Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
       Component: J367-BDMHella  H03 8041 
       Serial number: 7388956501          
    
       Subsystem 2 - Part No SW: 8K0 959 663 B    HW: 8K0 959 663 B
       Component: J532_DCDCStab  H05 0006 
       Serial number: 12029000864021200410
    
    1 Fault Found:
    03041 - Energy Management Active 
                000 - - - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 7
                        Fault Frequency: 2
                        Reset counter: 252
                        Mileage: 103355 km
                        Time Indication: 0
                        Date: 2019.11.29
                        Time: 14:18:06
    
                 Freeze Frame:
                        Bin. Bits:    10111
                        Voltage: 11.20 V
                        Count: 6
    
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3 (R199)       Labels:. 8T0-035-785.clb
       Part No SW: 8T0 035 785 A    HW: 8T0 035 785 
       Component: SG ext.Player H08 0290  
       Revision: 00000000    
       Coding: 020202
       Shop #: WSC 06325 000 00000
       VCID: 3973C3EDB07C19879E-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
       Part No SW: 8T0 959 793 F    HW: 8T0 959 793 H
       Component: TSG FA        H09 0302  
       Revision: --------    Serial number: --------------
       Coding: 011002204001410001
       Shop #: WSC 06325 000 00000
       VCID: 4C9D8A39EFEE9C2F35-8018
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist (J500)       Labels:| 8K0-909-144.clb
       Part No SW: 8K0 909 144 F    HW: 8K0 909 144 B
       Component: RCEPS         H36 0507  
       Revision: 00001000    Serial number: 0021322952
       Coding: 100000000001
       Shop #: WSC 63301 000 1048576
       ASAM Dataset: EV_RCEPSAU48X 008014
       ROD: EV_RCEPSAU48X_008.rod
       VCID: 346DF2D99F1EE4EF4D-8060
    
    3 Faults Found:
    16400 - Function Restricted due to Insufficient Voltage 
              U1400 00 [008] - -
              [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 2
                        Reset counter: 244
                        Mileage: 102164 km
                        Date: 2019.09.04
                        Time: 17:22:10
    
                        Write only channel
    
    2305 - Function Restriction due to Start Voltage Interruption 
              U1410 00 [008] - -
              [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 2
                        Reset counter: 244
                        Mileage: 102164 km
                        Date: 2019.09.04
                        Time: 17:22:09
    
                        Write only channel
    
    2306 - Function Restriction due to Start Voltage Interruption 
              U1410 00 [008] - -
              [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 2
                        Reset counter: 3
                        Mileage: 103370 km
                        Date: 2019.12.02
                        Time: 12:10:15
    
                        Write only channel
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
       Part No SW: 8K0 907 064 FE    HW: 8K0 907 064 FE
       Component: BCM2 2.0      H10 0602  
       Revision: 00002001    Serial number: 0168526440    
       Coding: 011F062200B900408020013680000000
       Shop #: WSC 06325 123 12345
       VCID: 78F506E9CBF6C08FA1-802C
    
       Subsystem 1 - Part No: 8K0 951 177 
       Component: DWA-Sensor  H02 0040 
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H05 1501 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System (J525)       Labels:. 8T0-035-223-BOC.clb
       Part No SW: 8T1 035 223     HW: 8T1 035 223 
       Component: DSP Prem      H04 0040  
       Revision: 00004001    Serial number: 94804001211301
       Coding: 0203010302
       Shop #: WSC 06325 000 00000
       VCID: 6CDD2AB98FAE7C2F55-8038
    
    1 Fault Found:
    02247 - Subwoofer (R148/R157) 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 9
                        Mileage: 91922 km
                        Time Indication: 0
                        Date: 2018.09.18
                        Time: 14:17:06
    
                 Freeze Frame:
                        Voltage: 12.70 V
                        Temperature: 38.0°C
                        Temperature: 39.0°C
                        Bin. Bits: 00000100
    
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
       Part No SW: 8T0 959 792 H    HW: 8T0 959 792 H
       Component: TSG BF        H08 0302  
       Revision: --------    Serial number: --------------
       Coding: 011002204C01410001
       Shop #: WSC 06325 123 12345
       VCID: 4D9B873D14F4952722-8018
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake (----)       Labels: 8K0-907-801-V2.clb
       Part No SW: 8K0 907 801 J    HW: 8K0 907 801 J
       Component: EPB-4         H01 0001  
       Revision: --------    Serial number: 00000000017259
       ASAM Dataset: EV_ParkiBrake 001022
       ROD: EV_ParkiBrake_AU48.rod
       VCID: 3669C8D18962F6FF73-8062
    
    3 Faults Found:
    721152 - Brake Pad Replacement Mode Active 
              C1011 00 [000] - -
              Intermittent - Not Confirmed - Tested Since Memory Clear
    
    464128 - Function Restriction due to Faults in Other Modules 
              U1113 00 [009] - -
              [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 2
                        Reset counter: 218
                        Mileage: 103925 km
                        Date: 2019.12.08
                        Time: 13:20:13
    
                        Voltage terminal 30: 14.9 V
                        Internal Fault ID: 187
                        Vehicle speed: 90 km/h
                        Network management state: normal
                        Function light in parking brake button: OFF
                        Red operating lamp: OFF
                        Red warning lamp: OFF
                        Green operating lamp: OFF
                        Yellow warning lamp: OFF
                        Terminal 15 status: On
                        RWU: not active
                        DSD: not active
                        HTR: not active
                        ECD: not active
                        ACC requested apply: not active
                        Auto Adjust: not active
                        General Inspection Function: not active
                        Internal Parking Brake state: Dynamic
                        Status of parking brake button: Not operated
                        Status ParkingBrake left: Open
                        Status ParkingBrake right: Open
    
    464384 - Function Restriction due to Faults in Other Modules 
              U1113 00 [009] - -
              [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 218
                        Mileage: 103950 km
                        Date: 2019.12.08
                        Time: 15:47:40
    
                        Voltage terminal 30: 11.8 V
                        Internal Fault ID: 188
                        Vehicle speed: 0 km/h
                        Network management state: normal
                        Function light in parking brake button: On
                        Red operating lamp: On
                        Red warning lamp: OFF
                        Green operating lamp: OFF
                        Yellow warning lamp: OFF
                        Terminal 15 status: On
                        RWU: not active
                        DSD: not active
                        HTR: not active
                        ECD: not active
                        ACC requested apply: not active
                        Auto Adjust: not active
                        General Inspection Function: not active
                        Internal Parking Brake state: static
                        Status of parking brake button: Not operated
                        Status ParkingBrake left: Set
                        Status ParkingBrake right: Set
    
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 8Tx-035-1xx-56.clb
       Part No SW: 8R2 035 186 A    HW: 8R2 035 186 A
       Component: Concert3 DAB  H05 0440  
       Revision: 00000005    Serial number: AUZ5Z6L1694807
       Coding: 0403008201018D00875B070800
       Shop #: WSC 06325 123 12345
       VCID: 346DF2D9971EE4EF4D-8060
    
       Subsystem 1 - Part No SW: 8T0 919 603 F    HW: 8T0 919 603 F
       Component: Display  
    
    1 Fault Found:
    03157 - Functionality limited due to Communications Disruption 
                000 - - - Intermittent
                 Freeze Frame:
                        Fault Status: 00100000
                        Fault Priority: 6
                        Fault Frequency: 40
                        Reset counter: 252
                        Mileage: 99435 km
                        Time Indication: 0
                        Date: 2019.04.06
                        Time: 13:13:59
    
                 Freeze Frame:
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
                        Bin. Bits: 10000000
                        Bin. Bits: 00000000
                        Bin. Bits: 00000000
    
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left (J388)       Labels:. 8K0-959-795.clb
       Part No SW: 8T0 959 795 H    HW: 8T0 959 795 H
       Component: TSG HL        H07 0302  
       Revision: --------    Serial number: --------------
       Coding: 010002204001210001
       Shop #: WSC 06325 000 00000
       VCID: 50A59E4903C6B8CF49-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right (J389)       Labels:. 8K0-959-794.clb
       Part No SW: 8T0 959 795 H    HW: 8T0 959 795 H
       Component: TSG HR        H07 0302  
       Revision: --------    Serial number: --------------
       Coding: 010002204001210001
       Shop #: WSC 06325 000 00000
       VCID: 50A59E4903C6B8CF49-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 8P0-862-335.lbl
       Part No SW: 8T0 862 335 F    HW: 8T0 862 335 E
       Component: FSE_256x BT     H45 0660  
       Revision: 00000000    Serial number: 00000005465496
       Coding: 0010320
       Shop #: WSC 06325 000 00000
       VCID: 3D7BD7FD645425A7B2-8068
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 03:45)--------------------------
    Last edited by Uwe; 12-08-2019 at 10:57 AM. Reason: QUOTE -> CODE

  2. #2
    Benevolent Dictator Uwe's Avatar
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    My guess is that limp mode is due to P0651 in the ECU, but that fault is flagged "Intermittent - Not Confirmed", which is usually an indication that the not the cause of any significant issues.

    There are a lot of old faults in this car. Suggestion: Please clear fault codes in all modules (do it one module at a time in each module that has fault codes if necessary), then let's see what comes back. This will give us a much better signal to noise ratio.

    -Uwe-
    Lock-down of sick people: Quarantine
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  3. #3
    Verified VCDS User
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    Hi

    Thanks for your reply.

    Cleared the codes and the only ones to come back were the 2 in the engine module, the one in the ABS for fault in another module and also the same fault in the Auto HVAC module.

    I just cant see what would be causing it to trip out. Sometimes it will run ok, then other times it'll drop back into limp very quickly.

    Usually open circuits would show at least one sensor that would show as being open.

    Chris

  4. #4
    NostraJackAss Jack@European_Parts's Avatar
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    Hello Chris and welcome to the VCDS forum!

    Did you know I have found that many things have been reported to cause such codes and not just a sensor but a bad ground, feed power or terminal relay, load device running interference as a false positive DTC or just plain faulty harness?

    In cases like this did you know I first unplug engine side harness connector and see if DTC vacates in VCDS, this lets me know if DTC still exists I have issue st ECU or feed of ECU, than verify output ref voltage, further than verify I can manipulate DTC with decade box in VCDS as expected, than further use a load light to first qualify all tracks isolated?

    JPPSG
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    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  5. #5
    Verified VCDS User
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    Thanks

    I spied a video on youtube about a guy with a similiar issue....

    https://www.youtube.com/watch?v=OBQkQW0v6Ak

    That guy has a 2.0 CR (in a transporter) so probably very very similar engine and said theres a few components that share the same 5V regulated rail. Crank sensor (probably explains why it takes a few seconds to start occasionally) Fuel rail pressure sensor (not sure how I can link that one to engine running to begin) Intake air flap control actuator (probably explains the poor shutdown of engine if its the same valve that autodata describes...shut off valve), EGR actuator flap (thinking could be the issue due to EGR being crap on these engines), and the turbo vane position sensor (wastegate? again not got a link to that one yet)

  6. #6
    Verified VCDS User
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    Latest scan. Now showing a G28 crank sensor no signal fault with the EML

    Code:
    Monday,09,December,2019,11:53:58:09611
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows XP x86
    VCDS Version: 19.6.1.0
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    Mileage: 103960km-64597mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 8K-AU48 (8R0)
    Scan: 01 03 05 08 09 15 16 17 19 2E 42 44 46 47 52 53 56 62 72 77
             
    
    VIN: WAUZZZ8K9DA014743   Mileage: 103960km-64597miles
    
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: Malfunction 0010
    04-Steering Angle -- Status: OK 0000
    05-Acc/Start Auth. -- Status: OK 0000
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: OK 0000
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    2E-Media Player 3 -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    47-Sound System -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: Malfunction 0010
    56-Radio -- Status: OK 0000
    62-Door, Rear Left -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: OK 0000
     
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CGLC)       Labels:. 03L-906-018-CGL.clb
       Part No SW: 03L 906 018 JH    HW: 03L 906 018 JL
       Component: R4 2,0L EDC   H25 2903  
       Revision: 45H25---    
       Coding: 0A194012242601080000
       Shop #: WSC 06324 000 00000
       ASAM Dataset: EV_ECM20TDI01103L906018JH 003003
       ROD: EV_ECM20TDI01103L906018JG.rod
       VCID: 79F303EDF8FCD987DE-802C
    
    3 Faults Found:
    4698 - Function Restriction due to Faults in Other Modules 
              U1113 00 [047] - -
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 4
                        Mileage: 103958 km
                        Date: 2019.12.09
                        Time: 09:13:02
    
                        Engine speed: 1455.50 /min
                        Normed load value: 17.3 %
                        Vehicle speed: 50 km/h
                        Coolant temperature: 63 °C
                        Intake air temperature: 12 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 14.620 V
                        Unlearning counter according OBD: 40
                        Cruise Control System (CCS): switch position-Bits 0-7: 129
                        Cruise Control System (CCS): status-Bits 0-7: 232
                        Cruise control switch-off: irreversible-Bits 0-7: 4
                        Cruise control switch-off: reversible-Bits 0-7: 255
                        Cruise Control System: specified speed: 0.00 km/h
                        Engine control module reset status-Bits 0-7: 0
                        Engine control module reset status-Bits 0-7: 0
                        Cruise control switch-off: irreversible w. brake intervention-Bits 0-7: 16
    
    4124 - Sensor Reference Voltage B 
              P0651 00 [175] - Open Circuit
              MIL ON - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 4
                        Mileage: 103958 km
                        Date: 2019.12.09
                        Time: 09:13:02
    
                        Engine speed: 1450.50 /min
                        Normed load value: 75.7 %
                        Vehicle speed: 50 km/h
                        Coolant temperature: 63 °C
                        Intake air temperature: 12 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 14.620 V
                        Unlearning counter according OBD: 40
                        Exh.gas temp.sen 1: 175.4 °C
                        Exh.gas temp.sen 2: -0.0 °C
                        Exh.gas temp.sen 3: 185.8 °C
                        Exh.gas temp.sen 4: 183.4 °C
                        Shut-off timer: last engine shut-off time: 1791 s
    
    4087 - Engine Speed Sensor (G28) 
              P0322 00 [032] - No Signal
              Intermittent - Not Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 2
                        Mileage: 103958 km
                        Date: 2019.12.09
                        Time: 09:12:53
    
                        Engine speed: 1639.00 /min
                        Normed load value: 25.5 %
                        Vehicle speed: 54 km/h
                        Coolant temperature: 62 °C
                        Intake air temperature: 14 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 14.560 V
                        Unlearning counter according OBD: 40
                        Engine start: start synchronization: EPM_MODE_BACKUP_CRS
                        Engine start: start synchronization-Test_Program_Epm st Op Mode State t UBYTE: 60
    
    Readiness: 1 1 0 0 X 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: None
       VCID: 55AB6F5DBC24DDE79A-FFFE
    
    No Faults Found
      or DTCs not supported by controller
      or a communication error occurred
    
    -------------------------------------------------------------------------------
    Address 05: Acc/Start Auth. (J393)       Labels:. 8K0-907-064-05.clb
       Part No SW: 8K0 907 064 FE    HW: 8K0 907 064 FE
       Component: BCM2 2.0      H10 0602  
       Revision: 00002001    
       Coding: 03B10000000000000000
       Shop #: WSC 06325 000 00000
       VCID: 78F506E9CBF6C08FA1-802C
    
       Subsystem 1 - Part No SW: 8T0 959 754 D    HW: 8T0 959 754 D
       Component: FBSAUDIB8 IDG  H60 0072 
       Serial number: 0812000007530014    
    
       Subsystem 2 - Part No SW: 8K0 905 852 E    HW: 8K0 905 852 E
       Component: J764 ELV MLB  H40 0046 
       Serial number: 2312000002761004    
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels: None
       Part No SW: 8K2 820 043 AC    HW: 8K2 820 043 AC
       Component: KLIMA 3 ZONEN H04 0122  
       Revision: D0000000    Serial number: 01310120121717
       Coding: 342402E000
       Shop #: WSC 06325 000 00000
       VCID: 6AD12CA1855A621F27-803E
    
    1 Fault Found:
    01314 - Engine Control Module 
                013 - Check DTC Memory
                 Freeze Frame:
                        Fault Status: 01101101
                        Fault Priority: 6
                        Fault Frequency: 5
                        Reset counter: 218
                        Mileage: 103950 km
                        Time Indication: 0
                        Date: 2019.12.08
                        Time: 16:04:37
    
                 Freeze Frame:
                        Temperature: 7.0°C
                        RPM: 920 /min
                        Speed: 0.0 km/h
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 8K0-907-063.clb
       Part No SW: 8K0 907 063 DG    HW: 8K0 907 063 AG
       Component: BCM1 1.0      H14 0103  
       Revision: 07014001    Serial number: 00000025901802
       Coding: 260000118034AFC00081400000001D0D401D030827090201000008000400030100000024000000
       Shop #: WSC 00783 210 84012
       VCID: 77F705D5C6E8CFF7A8-8022
    
       Subsystem 1 - Part No SW: 8K2 955 119 A    HW: 8T2 955 119   Labels: 1KX-955-119.CLB
       Component: WWS 250112  H06 0070 
       Serial number: SWF12010250214      
       Coding: 00FD11
    
       Subsystem 2 - Part No SW: 8U0 955 559 B    HW: 8U0 955 559 B  Labels: 8U0-955-559.CLB
       Component: G397_RLFS  H06 0001 
       Serial number: 20131050            
       Coding: 02005D
    
       Subsystem 3 - Part No SW: 8K0 941 531 AS    HW: 8K0 941 531 AS
       Component: E1 - LDS  H03 0031 
       Serial number: 00000000001901123251
    
       Subsystem 4 - Part No SW: 4H0 907 658     HW: 4H0 907 658 
       Component: AQ_Hum_Sensor  H02 0002 
       Serial number: 87488C06000000000001
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:* 8K0-959-655.clb
       Part No SW: 8K0 959 655 N    HW: 8K0 959 655 N
       Component: AirbagVW-AU10 H45 0610  
       Serial number: 003KFD90MJ6L  
       Coding: 30534435363030303030554A3052384B3053
       Shop #: WSC 63301 000 1048576
       ASAM Dataset: EV_AirbaECUVWAUDI010 003010
       ROD: EV_AirbaECUVWAUDI010_003_AU48.rod
       VCID: 4895B629F396700F11-801C
    
       Crash sensor for side airbag: driver side: 
       Serial number: 6334MSME6A12397DO
    
       Crash sensor for side airbag: front passenger side: 
       Serial number: 6344MSME6A133544A
    
       Crash sensor for side airbag: rear: driver side: 
       Serial number: 6352QSME56693146H
    
       Crash sensor for side airbag: rear: passenger side: 
       Serial number: 6362QSME0B6A124CO
    
       Crash sensor for front airbag: driver side: 
       Serial number: 63732SME17683C50+
    
       Crash sensor for front airbag: front passenger side: 
       Serial number: 63832SME17683376+
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:. 8K0-953-568.clb
       Part No SW: 8R0 953 568 Q    HW: 8R0 953 568 Q
       Component: Lenks.Modul   H02 0171  
       Revision: 00000000    Serial number: 20120130001213
       Coding: 000016
       Shop #: WSC 06325 000 00000
       VCID: 4FA79D351EF8A73750-801A
    
       Component: E221 - MFL  H03 0003 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:. 8T0-920-xxx-17.clb
       Part No SW: 8K0 920 982 B    HW: 8K0 920 982 B
       Component: KOMBIINSTR.   H16 0640  
       Revision: 00100000    Serial number: M3B32GNDC     
       Coding: 331D090002012600010001
       Shop #: WSC 06325 123 12345
       VCID: 336FF1C59210E3D754-8066
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 8T0-907-468.clb
       Part No SW: 8R0 907 468 A    HW: 8R0 907 468 A
       Component: GW-BEM 5CAN   H10 0025  
       Revision: 1V040013    Serial number: 1341V12118863C
       Coding: 00CF07FF00
       Shop #: WSC 06325 000 00000
       VCID: 3D7BD7FDA45425A7B2-8068
    
       Subsystem 1 - Part No SW: 8T0 915 181     HW: 8T0 915 181 
       Component: J367-BDMHella  H03 8041 
       Serial number: 7388956501          
    
       Subsystem 2 - Part No SW: 8K0 959 663 B    HW: 8K0 959 663 B
       Component: J532_DCDCStab  H05 0006 
       Serial number: 12029000864021200410
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3 (R199)       Labels:. 8T0-035-785.clb
       Part No SW: 8T0 035 785 A    HW: 8T0 035 785 
       Component: SG ext.Player H08 0290  
       Revision: 00000000    
       Coding: 020202
       Shop #: WSC 06325 000 00000
       VCID: 3973C3EDB07C19879E-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:. 8K0-959-793.clb
       Part No SW: 8T0 959 793 F    HW: 8T0 959 793 H
       Component: TSG FA        H09 0302  
       Revision: --------    Serial number: --------------
       Coding: 011002204001410001
       Shop #: WSC 06325 000 00000
       VCID: 4C9D8A39EFEE9C2F35-8018
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist (J500)       Labels:| 8K0-909-144.clb
       Part No SW: 8K0 909 144 F    HW: 8K0 909 144 B
       Component: RCEPS         H36 0507  
       Revision: 00001000    Serial number: 0021322952
       Coding: 100000000001
       Shop #: WSC 63301 000 1048576
       ASAM Dataset: EV_RCEPSAU48X 008014
       ROD: EV_RCEPSAU48X_008.rod
       VCID: 346DF2D99F1EE4EF4D-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv. (J393)       Labels:. 8K0-907-064-46.clb
       Part No SW: 8K0 907 064 FE    HW: 8K0 907 064 FE
       Component: BCM2 2.0      H10 0602  
       Revision: 00002001    Serial number: 0168526440    
       Coding: 011F062200B900408020013680000000
       Shop #: WSC 06325 123 12345
       VCID: 78F506E9CBF6C08FA1-802C
    
       Subsystem 1 - Part No: 8K0 951 177 
       Component: DWA-Sensor  H02 0040 
    
       Subsystem 2 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HO  H05 1501 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 47: Sound System (J525)       Labels:. 8T0-035-223-BOC.clb
       Part No SW: 8T1 035 223     HW: 8T1 035 223 
       Component: DSP Prem      H04 0040  
       Revision: 00004001    Serial number: 94804001211301
       Coding: 0203010302
       Shop #: WSC 06325 000 00000
       VCID: 6CDD2AB98FAE7C2F55-8038
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:. 8K0-959-792.clb
       Part No SW: 8T0 959 792 H    HW: 8T0 959 792 H
       Component: TSG BF        H08 0302  
       Revision: --------    Serial number: --------------
       Coding: 011002204C01410001
       Shop #: WSC 06325 123 12345
       VCID: 4D9B873D14F4952722-8018
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake (----)       Labels: 8K0-907-801-V2.clb
       Part No SW: 8K0 907 801 J    HW: 8K0 907 801 J
       Component: EPB-4         H01 0001  
       Revision: --------    Serial number: 00000000017259
       ASAM Dataset: EV_ParkiBrake 001022
       ROD: EV_ParkiBrake_AU48.rod
       VCID: 3669C8D18962F6FF73-8062
    
    1 Fault Found:
    464128 - Function Restriction due to Faults in Other Modules 
              U1113 00 [009] - -
              [New feature! Extended UDS fault detail is only supported by current gen. interfaces]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 4
                        Reset counter: 218
                        Mileage: 103958 km
                        Date: 2019.12.09
                        Time: 09:13:02
    
                        Voltage terminal 30: 14.8 V
                        Internal Fault ID: 187
                        Vehicle speed: 50 km/h
                        Network management state: normal
                        Function light in parking brake button: OFF
                        Red operating lamp: OFF
                        Red warning lamp: OFF
                        Green operating lamp: OFF
                        Yellow warning lamp: OFF
                        Terminal 15 status: On
                        RWU: not active
                        DSD: not active
                        HTR: not active
                        ECD: not active
                        ACC requested apply: not active
                        Auto Adjust: not active
                        General Inspection Function: not active
                        Internal Parking Brake state: Dynamic
                        Status of parking brake button: Not operated
                        Status ParkingBrake left: Open
                        Status ParkingBrake right: Open
    
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 8Tx-035-1xx-56.clb
       Part No SW: 8R2 035 186 A    HW: 8R2 035 186 A
       Component: Concert3 DAB  H05 0440  
       Revision: 00000005    Serial number: AUZ5Z6L1694807
       Coding: 0403008201018D00875B070800
       Shop #: WSC 06325 123 12345
       VCID: 346DF2D9971EE4EF4D-8060
    
       Subsystem 1 - Part No SW: 8T0 919 603 F    HW: 8T0 919 603 F
       Component: Display  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left (J388)       Labels:. 8K0-959-795.clb
       Part No SW: 8T0 959 795 H    HW: 8T0 959 795 H
       Component: TSG HL        H07 0302  
       Revision: --------    Serial number: --------------
       Coding: 010002204001210001
       Shop #: WSC 06325 000 00000
       VCID: 50A59E4903C6B8CF49-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right (J389)       Labels:. 8K0-959-794.clb
       Part No SW: 8T0 959 795 H    HW: 8T0 959 795 H
       Component: TSG HR        H07 0302  
       Revision: --------    Serial number: --------------
       Coding: 010002204001210001
       Shop #: WSC 06325 000 00000
       VCID: 50A59E4903C6B8CF49-8004
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone        Labels: 8P0-862-335.lbl
       Part No SW: 8T0 862 335 F    HW: 8T0 862 335 E
       Component: FSE_256x BT     H45 0660  
       Revision: 00000000    Serial number: 00000005465496
       Coding: 0010320
       Shop #: WSC 06325 000 00000
       VCID: 3D7BD7FD645425A7B2-8068
    
    No fault code found.
    
    End-------------------------(Elapsed Time: 05:02)--------------------------
    Last edited by Uwe; 12-09-2019 at 03:46 PM. Reason: CODE tags

  7. #7
    NostraJackAss Jack@European_Parts's Avatar
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    European Parts Emporium/Performance / Immobilizer Solutions EPE
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    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic! No Written record, AUTO-SCAN or Appointment = NO HELP!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email or call facility for free tech support...use the forum )
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  8. #8
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    You have access to a scope? Tap into the ref and see if it's being pulled low, or directly to ground.

  9. Likes Uwe liked this post
  10. #9
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    Quote Originally Posted by PIVOT View Post
    You have access to a scope? Tap into the ref and see if it's being pulled low, or directly to ground.
    No access to a scope unfortunately...just a trust old multimeter. I think ive worked out what sensors are on the voltage B line (MAP, crank, EGR, ASV, turbo wastegate, fuel rail pressure) so need to probe them at the +5V pin to see if its getting the right voltage when the fault isnt active, and what sensor is pulling it down when the fault occurs.
    Not sure if the no signal from crank sensor may be a red herring though as if its connected on the same part of the loom with the voltage B side, then it might not be getting its signals back to the ECU, thus ECU throws a error for it.

    Jack - not sure why the ABS is offline. Maybe the module didnt close down properly when I last accessed it so needs to 'reboot' to stop the communication error.

  11. #10
    NostraJackAss Jack@European_Parts's Avatar
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    No access to a scope unfortunately...just a trust old multimeter. I think ive worked out what sensors are on the voltage B line (MAP, crank, EGR, ASV, turbo wastegate, fuel rail pressure) so need to probe them at the +5V pin to see if its getting the right voltage when the fault isnt active, and what sensor is pulling it down when the fault occurs.
    Not sure if the no signal from crank sensor may be a red herring though as if its connected on the same part of the loom with the voltage B side, then it might not be getting its signals back to the ECU, thus ECU throws a error for it.

    Jack - not sure why the ABS is offline. Maybe the module didnt close down properly when I last accessed it so needs to 'reboot' to stop the communication error.


    Did you know the DVOM is just fine & a Scope is unneeded for this test path?

    Did you know usually a faulty harness at junction is the cause/chafe point or sensor/consumer & that sometimes isn't on the listed track in WD, this is why I unplug everything and work my way back to the DTC & while verifying each component DTC in VCDS is reset?

    Then did you know VCDS blocks can indeed show this type of fault trace with aid of decade box or just clearing and checking for DTC?

    Did you know once you isolate the respective tracks you can qualify it further by changing the DTC to check the ECU from OPEN to short to ground or B+ with a decade box too, this way you don't change an ECU by false diagnosis?

    All kinds of interesting questions huh?

    Did you try communication with the ABS directly?


    You have access to a scope? Tap into the ref and see if it's being pulled low, or directly to ground.
    You mean back probe as per RTFB and not make holes in wires or damage insulation right?
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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