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Thread: Golf Mk7 Front Assist unavailable

  1. #1
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    Golf Mk7 Front Assist unavailable

    Hi, after reading this forum for years its my first time post so go easy :-)

    100 miles after VW fitting a new DSG box just out of warranty i get a front assist unavailable dash light come on. After a bit of googling i am not sure if its a radar unit fault or it needs calibration. Could one of you good fellows cast your eye over the scan and offer some advice?. i am not sure on the component protection error as the car has only ever had work done by VW. If i need to replace the radar unit i would prefer to source and fit myself and return to VW just for calibration. i am not keen on giving vw any more money than i need too.

    Code:
     Tuesday,05,November,2019,15:07:48:20073
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.2.0 (x64)  HEX-V2 CB: 0.4508.4
    Data version: 20190930 DS308.0
    www.Ross-Tech.com
    
    VIN: WVWZZZAUZHW030223   License Plate:
    Mileage: 37313km-23185mi   Repair Order: 
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    Chassis Type: AU-VW37 (5Q0)
    Scan: 01 02 03 08 09 10 13 15 16 17 19 22 42 44 52 55 5F A9
    
    VIN: WVWZZZAUZHW030223   Mileage: 37313km-23185miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    09-Cent. Elect. -- Status: OK 0000
    10-Park/Steer Assist -- Status: OK 0000
    13-Auto Dist. Reg -- Status: Malfunction 0010
    15-Airbags -- Status: OK 0000
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: OK 0000
    19-CAN Gateway -- Status: OK 0000
    22-AWD -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    55-Headlight Range -- Status: OK 0000
    5F-Information Electr. -- Status: Malfunction 0010
    A9-Struct. Borne Sound -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (J623-CJXC)       Labels:. 06K-907-425-V1.clb
       Part No SW: 5G0 906 259 F    HW: 06K 907 425 B
       Component: 2.0l R4 TFSI  H13 0002  
       Revision: --H13---    
       Coding: 091D00122466050B2004
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_ECM20TFS0205G0906259F 001004
       ROD: EV_ECM20TFS0205G0906259F.rod
       VCID: 313F16AFE1ADBC1F769-8064
    
    1 Fault Found:
    17176 - Databus 
              U1123 00 [047] - Received Error Message
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 13
                        Mileage: 37277 km
                        Date: 2019.11.03
                        Time: 16:31:13
    
                        Engine speed: 0.00 /min
                        Normed load value: 0.0 %
                        Vehicle speed: 0 km/h
                        Coolant temperature: 60 °C
                        Intake air temperature: 44 °C
                        Ambient air pressure: 980 mbar
                        Voltage terminal 30: 11.855 V
                        Unlearning counter according OBD: 40
                        Drivetrain coordinator: ACC fault status-ACC is active despite EPB deceleration: No
                        Drivetrain coordinator: ACC fault status-ACC active: although TSK passive: No
                        Drivetrain coordinator: ACC fault status-Start off or stop request at stopping speed not set: No
                        Drivetrain coordinator: ACC fault status-Start off and stop request sent simultaneously: No
                        Drivetrain coordinator: ACC fault status-ACC active: although limiter active: No
                        Drivetrain coordinator: ACC fault status-ACC reactivates itself after locking: No
                        Drivetrain coordinator: ACC fault status-ACC sends undefined signals: No
                        Drivetrain coordinator: ACC fault status-ACC active although main switch off: No
                        Drivetrain coordinator: ACC fault status-ACC is active despite driver braking: No
                        Drivetrain coordinator: ACC fault status-ACC is active despite ESP/ASR passive sampling: No
                        Drivetrain coordinator: brake fault status-Deceleration sensor not available: No
                        Drivetrain coordinator: brake fault status-Deceleration sensor malfunction: No
                        Drivetrain coordinator: brake fault status-ESP system error: No
                        Drivetrain coordinator: brake fault status-ESP system malfunction due to inaccurate engine torque: No
                        Drivetrain coordinator: brake fault status-ESP indicates TSK message consistency error: No
                        Drivetrain coordinator: brake fault status-TSK/ESP handshake error: No
                        Drivetrain coordinator: brake fault status-ESP automatic engagement malfunction: No
                        Drivetrain coordinator: brake fault status-Brake light implausible: No
    
    Readiness: 0000 0000
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans (J743)       Labels: 0D9-927-770.clb
       Part No SW: 0D9 300 012     HW: 02E 927 770 AQ
       Component: DQ250-6A MQB  H54 4934  
       Revision: 06454104    Serial number: TFK01806201553
       Coding: 0014
       Shop #: WSC 04742 780 00200
       ASAM Dataset: EV_TCMDQ250021 001001
       ROD: EV_TCMDQ250021.rod
       VCID: 53F37C27BB71AE0F245-8006
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes (J104)       Labels: 5Q0-907-379-IPB-V1.clb
       Part No SW: 5Q0 614 517 BK    HW: 5Q0 614 517 AH
       Component: ESC           H62 0736  
       Revision: 00000000    Serial number: 61716000000907
       Coding: 01FA93A15423196C4779070241C66980C92A98E2E082967718425078C20803
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_Brake1UDSContiMK100IPB 035019
       ROD: EV_Brake1UDSContiMK100IPB_035_VW37.rod
       VCID: 7BA3F4877361864F9C5-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:| 5G0-907-044.clb
       Part No SW: 5G0 907 044 BL    HW: 5G0 907 044 BL
       Component: Climatronic   H04 1601  
       Revision: 00001K08    
       Coding: 00120004200110011005000000101022
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_ACClimaBHBVW37X 006142
       ROD: EV_ACClimaBHBVW37X_006.rod
       VCID: 72BDD9A3242BC707CF3-8026
    
       Fresh Air Blower Front: 
    
       Geber für Kältemitteldruck/Kältemitteltemperatur: 
    
       Air quality sensor: 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:| 5Q0-937-08X-HV1.clb
       Part No SW: 5Q0 937 084 CL    HW: 5Q0 937 084 AN
       Component: BCM MQBAB H   H24 0175  
       Serial number: 01061617004541
       Coding: 03001A46C24122F30BA44080B11C07281000000000000000000000000000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_BCMMQB 015001
       ROD: EV_BCMBOSCH_015.rod
       VCID: 04518F7B0E9FF9B7EDF-8050
    
       Control Unit For Wiper Motor: 
       Subsystem 1 - Part No SW: 5G2 955 119 A    HW: 5G2 955 119 A  Labels: 5QX-955-119-V1.CLB
       Component: WWS    160527  042 0551 
       Serial number:         160610123559
       Coding: 0E4DDD
    
       Rain Light Recognition Sensor: 
       Subsystem 2 - Part No SW: 5Q0 955 547 A    HW: 5Q0 955 547 A  Labels: 5Q0-955-547.CLB
       Component: RLHS  037 0059 
       Serial number: S2Y16M06D24H02M53S26
       Coding: 90A8DD
    
       Sensor For Anti Theft Alarm System: 
       Subsystem 3 - Part No SW: 5Q0 951 172     HW: 5Q0 951 172 
       Component: Sensor, DWA  005 0316 
       Serial number: 000000000ZY1615128H6
    
       Alarm horn: 
       Subsystem 4 - Part No SW: 5Q0 951 605 A    HW: 5Q0 951 605 A
       Component: Sirene, DWA  005 0313 
       Serial number: 00000000000066144463
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 10: Park/Steer Assist (J446)       Labels:| 5Q0-919-294.clb
       Part No SW: 5Q0 919 294 K    HW: 5Q0 919 294 A
       Component: PARKHILFE 8K  H03 0054  
       Revision: --------    Serial number: 39331617005920
       Coding: 0071151011
       Shop #: WSC 59767 001 1048576
       ASAM Dataset: EV_EPHVA18AU3700000 002026
       ROD: EV_EPHVA18AU3700000_002_VW37.rod
       VCID: 43D34C674B113E8F945-8016
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 13: Auto Dist. Reg (J428)       Labels:| 3Q0-907-572.clb
       Part No SW: 5Q0 907 572 G    HW: 5Q0 907 572 G
       Component: ACC BOSCH MQB H10 0571  
       Coding: 3500478151FFC428949C8045000006
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_ACCBOSCHVW416 001005
       ROD: EV_ACCBOSCHVW416_001_VW37.rod
       VCID: 3B23348733E1464FDC5-806E
    
    3 Faults Found:
    0836 - Databus 
              U1123 00 [008] - Received Error Message
              [FAULT_PREDICTIVE_ROUTEDATA_SIGNALERROR_RECEIVED]
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 254
                        Reset counter: 145
                        Mileage: 37277 km
                        Date: 2019.11.03
                        Time: 17:03:11
    
                        Control Module temperature: 16 °C
                        Voltage terminal 15: 14.5 V
                        Velocity_vehicle_reference: 0.00 m/s
                        Longitudinal_acceleration_vehicle_reference: 0.00 m/s²
                        Status_ACC_System: ACC_irreversible error
    
    15360256 - Component Protection 
              U1101 00 [009] - Active
              [FAULT_THP_EC_COUNTER]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 99
                        Mileage: 37277 km
                        Date: 2019.11.03
                        Time: 16:31:12
    
                        Control Module temperature: 19 °C
                        Voltage terminal 15: 11.8 V
                        Velocity_vehicle_reference: 0.00 m/s
                        Longitudinal_acceleration_vehicle_reference: 0.00 m/s²
                        Status_ACC_System: ACC_irreversible error
    
    2065 - Databus 
              U1122 00 [008] - Implausible Message
              [FAULT_TSK_HANDSHAKE]
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 4
                        Fault Frequency: 2
                        Reset counter: 144
                        Mileage: 37285 km
                        Date: 2019.11.04
                        Time: 08:27:02
    
                        Control Module temperature: 16 °C
                        Voltage terminal 15: 11.7 V
                        Velocity_vehicle_reference: 0.00 m/s
                        Longitudinal_acceleration_vehicle_reference: 0.00 m/s²
                        Status_ACC_System: ACC_irreversible error
    
    
    -------------------------------------------------------------------------------
    Address 15: Airbags (J234)       Labels:| 5Q0-959-655.clb
       Part No SW: 5Q0 959 655 AA    HW: 5Q0 959 655 AA
       Component: AirbagVW20    015 0388  
       Serial number: 003MLR1VTSE4
       Coding: 98CCC000000000005C0000CF00C800000065
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_AirbaVW20SMEVW37X 002130
       ROD: EV_AirbaVW20SMEVW37X.rod
       VCID: 7F5B009767799A6FB0D-802A
    
       Belt Pretensioner left: 
       Subsystem 1 - Part No SW: 5G0 980 945 B    HW: 5G0 980 945 B
       Component: BeltPretRevFL  H36 0350 
       Serial number: 34169677D21061640703
       Coding: 333135
    
       Belt Pretensioner right: 
       Subsystem 2 - Part No SW: 5G0 980 946 B    HW: 5G0 980 946 B
       Component: BeltPretRevFR  H36 0350 
       Serial number: 34169676D20061640112
       Coding: 333135
    
       Side Sensor Driver Front: 
       Subsystem 3 - Part No SW: -----------    HW: 480 001 706 16
       Component: SideSensor_Df  001 0887 
       Serial number: 35767000000CD5796B16
       Coding: 2D2D2D
    
       Side Sensor Passenger Front: 
       Subsystem 4 - Part No SW: -----------    HW: 480 001 706 16
       Component: SideSensor_Pf  001 0887 
       Serial number: 35867000000474C49B1 
       Coding: 2D2D2D
    
       Side Sensor Driver Rear: 
       Subsystem 5 - Part No SW: -----------    HW: 480 401 406 16
       Component: SideSensor_Dr  001 6149 
       Serial number: 3516502B520FC4C261BH
       Coding: 2D2D2D
    
       Side Sensor Passenger Rear: 
       Subsystem 6 - Part No SW: -----------    HW: 480 401 806 16
       Component: SideSensor_Pr  001 6149 
       Serial number: 35265029F21160C4C166
       Coding: 2D2D2D
    
       Front Sensor Driver: 
       Subsystem 7 - Part No SW: -----------    HW: 480 401 806 16
       Component: FrontSensor_D  001 6149 
       Serial number: 35565029D21160C4232 
       Coding: 2D2D2D
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J524)       Labels:| 5Q0-953-549.clb
       Part No SW: 5Q0 953 521 P    HW: 5Q0 953 569 A
       Component: Lenks.Modul   075 0235  
       Revision: FF034034    Serial number: 20160622401255
       Coding: 0410
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_SMLSVALEOMQB 001015
       ROD: EV_SMLSVALEOMQB.rod
       VCID: 3FDB409727F95A6FF0D-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 5G0-920-XXX-17.clb-SRI3
       Part No SW: 5G1 920 958 B    HW: 5G1 920 958 B
       Component: KOMBI         303 8311  
       Coding: 27AD08082F80260001886B011400000000000000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_DashBoardVDDMQBAB 009051
       ROD: EV_DashBoardVDDMQBAB_009_VW37.rod
       VCID: 303913ABEAA7B517797-8064
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:| 5Q0-907-530-V1.clb
       Part No SW: 5Q0 907 530 AM    HW: 5Q0 907 530 F
       Component: GW MQB High   128 1265  
       Revision: --------    Serial number: 0005007183
       Coding: 030100043F085900FB00027E1C0F00010001050000000000000000000000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_GatewLear 013020
       ROD: EV_GatewLear_013.rod
       VCID: 7CA1F79B766F817795F-8028
    
       Alternator: 
    
       Multi Function Steering Wheel Control Module: 
       Subsystem 2 - Part No SW: 5G0 959 442 N    HW: 5G0 959 442 N  Labels: 3C8-959-537.CLB
       Component: E221__MFL-DC1  H11 0040 
       Serial number: 29160001164350066233
       Coding: 2DFFFF
    
       Battery Monitoring Control Module: 
       Subsystem 3 - Part No SW: 5Q0 915 181 K    HW: 5Q0 915 181 K
       Component: J367-BDMHella  H10 9070 
       Serial number: 2853020404          
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 22: AWD (J492)       Labels:* 0CQ-907-554.clb
       Part No SW: 0CQ 907 554 H    HW: 0CQ 525 130 
       Component: Haldex4Motion H52 7083  
       Serial number: HA1-00018.05.16
       Coding: 0001
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_AllWheelContrHA1VW37X 004013
       ROD: EV_AllWheelContrHA1VW37X_004.rod
       VCID: 4ACD61436C3BEFC7573-801E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:| 5QX-959-X93-42.clb
       Part No SW: 5Q0 959 593 E    HW: 5Q0 959 593 B
       Component: TSG FS        020 0041  
       Serial number: 080616EF820669
       Coding: 003F0220D001048000001000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_DCUDriveSideEWMAXKLO 006003
       ROD: EV_DCUDriveSideEWMAXCONT.rod
       VCID: 43D34C674B113E8F945-8016
    
       Drivers Door Rear Control Module: 
       Subsystem 1 - Part No SW: 5Q0 959 812     HW: 5Q0 959 812   Labels: 5QX-959-81X-V1.CLB
       Component: FOND_FHSG_DRV  005 0005 
       Serial number: 00000000000010440853
       Coding: 0D0000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist (J500)       Labels:| 5Q0-909-144.clb
       Part No SW: 3Q0 909 144 K    HW: 3Q0 909 144 H
       Component: EPS_MQB_ZFLS  506 5072  
       Coding: 8107
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_SteerAssisMQB 013144
       ROD: EV_SteerAssisMQB_013.rod
       VCID: 3A2D31833CDB7F47C73-806E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:| 5QX-959-X92-52.clb
       Part No SW: 5Q0 959 592 E    HW: 5Q0 959 592 B
       Component: TSG BFS       020 0041  
       Serial number: 050616EF500429
       Coding: 003F0020DE01048000801000
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_DCUPasseSideEWMAXKLO 006003
       ROD: EV_DCUPasseSideEWMAXCONT.rod
       VCID: 42DD4963540B37879F3-8016
    
       Passengers Rear Door Control Module: 
       Subsystem 1 - Part No SW: 5Q0 959 811     HW: 5Q0 959 811   Labels: 5QX-959-81X-V1.CLB
       Component: FOND_FHSG_PSG  005 0005 
       Serial number: 00000000000010521491
       Coding: 150000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range (J745)       Labels:| 7P6-907-357.clb
       Part No SW: 7P6 907 357 D    HW: 7P6 907 357 A
       Component: AFS-ECU       H07 0090  
       Revision: --------    Serial number: --------------
       Coding: 02AE01000B000200
       Shop #: WSC 01357 011 00200
       ASAM Dataset: EV_HeadlRegulVWAFSMQB 001120
       ROD: EV_HeadlRegulVWAFSMQB.rod
       VCID: 40D9436B5A072597897-8014
    
       Left Headlamp Power Output Stage: 
       Subsystem 1 - Part No SW: 3D0 941 329 E    HW: 3D0 941 329 E  Labels: 3D0-941-329.CLB
       Component: LeiMo links  H01 0002 
       Coding: 2E0000
    
       Right Headlamp Power Output Stage: 
       Subsystem 2 - Part No SW: 3D0 941 329 E    HW: 3D0 941 329 E  Labels: 3D0-941-329.CLB
       Component: LeiMo rechts  H01 0002 
       Coding: 2E0000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 5F: Information Electr. (J794)       Labels:| 5G0-035-MIB-STD2.clb
       Part No SW: 3Q0 035 874 B    HW: 3Q0 035 874 B
       Component: MU-S-ND-ER    840 0757  
       Serial number:               
       Coding: 02730001FF00000051110101008808001F0207D601200100CF
       Shop #: WSC 59767 001 1048576
       ASAM Dataset: EV_MUStd4CDELP 001001
       ROD: EV_MUStd4CDELP_VW37.rod
       VCID: 313F16AFE1ADBC1F769-8064
    
       Operating And Display Unit 1: 
       Subsystem 1 - Part No SW: 3G0 919 605 D    HW: 3G0 919 605 D
       Component: ABT_Std-2_Nav  H53 1031 
       Serial number: VWZ8Z9SJU025B9      
    
    1 Fault Found:
    7191 - Function Restricted due to Missing Message(s) 
              U1111 00 [009] - -
              [Driving mode selection (0x17) - function restriction due to communication error - BapErr_retry not successful]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 1
                        Reset counter: 99
                        Mileage: 37277 km
                        Date: 2019.11.03
                        Time: 16:31:15
    
                        Voltage terminal 30: 11.8 V
                        BAP-BAP_Function_ID: 02
    
    
    -------------------------------------------------------------------------------
    Address A9: Struct. Borne Sound (J869)       Labels: 4H0-907-159.clb
       Part No SW: 5G0 907 159 D    HW: 4H0 907 159 A
       Component: SAS-GEN 2     H07 0001  
       Serial number: 160506201324
       ASAM Dataset: EV_SoundActuaGen2AU64X 003010
       ROD: EV_SoundActuaGen2AU64X.rod
       VCID: 2F3B10D7F799AAEF60D-807A
    
    No fault code found.
    
    End----(Elapsed Time: 01:41, VBatt start/end: 12.0V/12.0V. VIgn 11.9V)-----
    Many Thanks,
    J.

  2. #2
    Ross-Tech Employee DrPeter's Avatar
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    Hello,

    The fault codes that are present in your Auto-Scan would indicate there is a concern with the J428-Adaptive cruise control unit, it's wiring/connections or it's components. You may want to have a visual inspection of the J428-Adaptive cruise control unit to be sure there are no obvious concerns.

    Silly question, have you tried to clear all the fault codes? If so you maybe able to disconnect the battery for 30 minutes and then reconnect it, turn the ignition on and then try to clear all the fault codes.

    Note : All three of these components are connected together with an Extended CAN-Bus and a Sensor fusion CAN-Bus connection, see the Official Factory Repair manuals and wiring diagrams for more information and where to check for possible wiring concerns as this is a little different than the normal CAN-Bus.
    - J428 Adaptive cruise control unit
    - J533 Data bus diagnosis interface
    - R242 Front camera for driver assist systems


    If the J428 is original to this vehicle, the "Component Protection" fault code can set if the J428 has lost communications with other vehicle controllers that provide the unique vehicle information that the J428 needs to make sure it has not been installed into a different vehicle.

    You can install a new J428, it will need to go to the dealer for the proper calibration procedures.

    Hope this helps,

    drpeter

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  4. #3
    Verified VCDS User
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    Thanks for your reply. Prior to posting the auto scan i tried to clear the fault codes but they come back straight away. i also disconnected the battery but it was nowhere close to 30 minutes. initial inspection of the radar unit does not show anything obvious. I don't think this car (september 2016 Mk7 UK Golf) has the R242 camera as its definitely not part of the rear view mirror housing. i also noticed today that the mode button to select Eco, normal or race no longer works which i assume is the last fault showing on the autoscan. Is this a coincidence or is there anyway it could possibly be related? i will try disconnecting the battery for a longer period and then start looking for a 5Q0 907 561 G cruise control unit. i read somewhere that disconnecting the J428 unit from the extended can bus or removing power to it would need the unit to be re-calibrated even if its not physically moved. would that be correct?
    thanks,
    J.

  5. #4
    Ross-Tech Employee DrPeter's Avatar
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    i read somewhere that disconnecting the J428 unit from the extended can bus or removing power to it would need the unit to be re-calibrated even if its not physically moved. would that be correct?
    I do not recall any mention of any calibrations of the J428 if the battery was disconnected. I do see the repair manual states the following:

    Under the following conditions the Distance Regulation Control Module - J428- must be calibrated:
    ♦ Distance Regulation Control Module - J428- was removed and installed or replaced.
    ♦ The lock carrier service position was performed
    ♦ The lock carrier was removed and installed.
    ♦ The lock carrier was replaced
    ♦ The rear axle toe were replaced
    So I think it is safe to disconnect the battery for a while. Also if there is no R242 Camera, the CAN-Bus appears to be the same.

    drpeter

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  7. #5
    Verified VCDS User
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    I would try dealer first to try and get this one removed :

    Code:
    5360256 - Component Protection 
              U1101 00 [009] - Active
              [FAULT_THP_EC_COUNTER]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 99
                        Mileage: 37277 km
                        Date: 2019.11.03
                        Time: 16:31:12
    
                        Control Module temperature: 19 °C
                        Voltage terminal 15: 11.8 V
                        Velocity_vehicle_reference: 0.00 m/s
                        Longitudinal_acceleration_vehicle_reference: 0.00 m/s²
                        Status_ACC_System: ACC_irreversible error
    That will cause the radar to disconnect and cause a front assist unavailable error. New DSG mecha will require CP removal and most likely your dealer just forgot to do it ACC module. It is very hard for me to believe that the radar would be broken all of a sudden.

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  9. #6
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    It’s hard for me to believe as well. I emailed the service guy at the dealer soon after the light came on. They said they couldn’t see how it was related but were happy to investigate it for £85. With the drive mode button not working, the ACC and the component protection fault happening 100 miles after the gearbox being replaced does seem to be a bit odd... then again having the car serviced in warranty and then 300 miles later (4weeks out of warranty) it needs a new gearbox (at 20k miles) says it all. If it wasn’t for bad luck I wouldn’t have any ;-).

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    If gearbox CP got removed without renewing other CP stuff then this is exactly how it happens.

    There are few tpis about this for techs that do one and only one thing. Also FeC-s also tend to dissapear when renewing CP.
    I am a VW Freak - Le WV Freaks OR Come visit me at my work with ODIS concerns - FORSS ODIS GeKo/FaZit access for VW/AUDI/Škoda
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    Quote Originally Posted by downtime View Post
    I would try dealer first to try and get this one removed :

    Code:
    5360256 - Component Protection 
              U1101 00 [009] - Active
              [FAULT_THP_EC_COUNTER]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 99
                        Mileage: 37277 km
                        Date: 2019.11.03
                        Time: 16:31:12
    
                        Control Module temperature: 19 °C
                        Voltage terminal 15: 11.8 V
                        Velocity_vehicle_reference: 0.00 m/s
                        Longitudinal_acceleration_vehicle_reference: 0.00 m/s²
                        Status_ACC_System: ACC_irreversible error
    That will cause the radar to disconnect and cause a front assist unavailable error. New DSG mecha will require CP removal and most likely your dealer just forgot to do it ACC module. It is very hard for me to believe that the radar would be broken all of a sudden.
    hmm.........Yes, it's just indicative - but the difference between the mileage values on the autoscan date of production and the mileage value on the CP error suggests that this car doesn't travel far (i.e. 37 kms in 2 x days).

    Plus the CP error in the hex13 module doesn't have a matching twin DTC in the CP master module (i.e. hex19) - which is real odd (I've seen this happen in hacked MIB units).

    Not sure what it all means, but proper CP interrogation is only meant to happen after ignition switch-on (as I understand) and given that the hex13 module hasn't been changed it should have easily passed the routine challenge/response identity-check process on 3rd November 2019.

    And, even if the module had an unfortunately timed hiccup when OP turned the ignition key on 3rd November 2019, the module should have re-established its legitimacy to be on the CAN network in a subsequent ignition cycle.

    So, given the odd nature of these circumstances and notwithstanding the requirement for FAZIT connection in dealing with CP errors, (IMO) it's worth attempting to delete this DTC with VCDS (or try DrPeter's suggestion). It's an easy try and there is no downside and there is very little "downtime" -pun intended .

    Don
    Last edited by DV52; 11-06-2019 at 03:53 PM.
    VW Golf MkVII (MY13) - A3 8V hatch (MY17)

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    Good thinking again Don but unfortunately OP already tried clearing DTCs and wrote that they come back immediately.

    DSG mecha and TCM seem to have more mastery touch to the cars systems as for example you can clear CAN installation info from DSG module.

    So if ACC CP is matched somehow to both engine ECM and transmission TCM then naturally they’re not matching now and CP is triggered.

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    Thanks all for the information and advise. Went back to the dealer who cleared the faults and “reset basic settings”. Not easy getting information from someone in service who doesn’t know an ass from an elbow. There was no charge and all is working again....for now.
    Cheers,
    J.

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