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Thread: 2013 VW CC almost everything short to ground HELP!

  1. #1
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    2013 VW CC almost everything short to ground HELP!

    Hello people!


    Im a new member and seeking for advise or guide how to fix this issue with my CC. Almost everything is shorted to ground on this car. We bought it with engine problem, Ive fixed numerous tiguans but its my first CC pretty much same engine. Following job done on it:

    1 Timing chain and tensioner replaced (yes, timing set correctly)
    2 Valve job done, valve steams replaced.
    3 Intake manifold replaced with new fromVW dealership
    4 Turbo wastegate flapper replaced (yes, we do repair them instead of replacing the whole turbo)
    5 rear main seal replaced
    6 injectors cleaned


    After all of this work done we were super excided itll run with no issues, however the car still having a hard time starting on cold start with black smoke from tailpipe and chek engine light is on. once its warmed up it runs great.
    We found that the wire behind the brake booster was melted, and 5 wires were shorting, so to be on safe side we split open all wiring harness under the hood with extra caution not to cut any wires and inspected them so, no other shorting wires found. Put everything back together and took it local mechanic and he advised the ECM is toasted. so we ordered a used ECM from ebay and had the dealer swap it but the problem is still there.


    Any thoughts highly appreciated! the auto scan results below.


    Code:
    Friday,13,September,2019,09:33:18:26593
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 19.6.1.0 (x64)  HEX-NET CB: 0.4508.4
    Data version: 20190529 DS308.0
    www.Ross-Tech.com
    
    
    
    
    Chassis Type: AN-VW46 (7N0)
    Scan: 01 02 03 08 09 15 16 17 19 1C 25 2E 42 44 46 4F 52 53 55 56
              62 65 72 77
    
    VIN: WVWBP7AN7DE510121   Mileage: 216640km-134613miles
    
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: OK 0000
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- 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
    1C-Position Sensing -- Status: OK 0000
    25-Immobilizer -- Status: OK 0000
    2E-Media Player 3 -- Status: OK 0000
    42-Door Elect, Driver -- Status: Malfunction 0010
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    4F-Centr. Electr. II -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    55-Headlight Range -- Status: Malfunction 0010
    56-Radio -- Status: Malfunction 0010
    62-Door, Rear Left -- Status: OK 0000
    65-Tire Pressure -- Status: OK 0000
    72-Door, Rear Right -- Status: OK 0000
    77-Telephone -- Status: OK 0000
    -------------------------------------------------------------------------------
    Address 01: Engine (CCT)       Labels:. 06J-906-026-CCT.clb
       Part No SW: 06J 906 027 FE    HW: 06J 907 309 B
       Component: MED17.5.2 TFSI 2    3952  
       Revision: PAH04---    Serial number: VWZCZ000000000
       Coding: 0404010A1C070160
       Shop #: WSC 02503 444 04883
       VCID: 73A6CB5012D2C9D794-8026
    
    8 Faults Found:
    001112 - Evap System Purge Control Valve (N80) 
                   P0458 - 000 - Short to Ground - MIL ON
                 Freeze Frame:
                        Fault Status: 11100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:54
    
                 Freeze Frame:
                        RPM: 0 /min
                        Load: 0.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 14.224 V
    
    004501 - Fuel Pressure Regulator Valve (N276) 
                   P1195 - 000 - Open or Short to Ground - MIL ON
                 Freeze Frame:
                        Fault Status: 11100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:54
    
                 Freeze Frame:
                        RPM: 0 /min
                        Load: 0.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 14.224 V
    
    012423 - Voltage Supply Relay for Engine Components 
                   P3087 - 000 - Electrical Malfunction - MIL ON
                 Freeze Frame:
                        Fault Status: 11100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:54
    
                 Freeze Frame:
                        RPM: 0 /min
                        Load: 0.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 14.224 V
    
    008201 - Intake Manifold Flap; Bank 1 
                   P2009 - 000 - Short to Ground - MIL ON
                 Freeze Frame:
                        Fault Status: 11100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:59
    
                 Freeze Frame:
                        RPM: 288 /min
                        Load: 51.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 11.811 V
    
    008328 - Bank 1 Camshaft A (Intake) Position Actuator 
                   P2088 - 000 - Short to Ground - MIL ON
                 Freeze Frame:
                        Fault Status: 11100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:59
    
                 Freeze Frame:
                        RPM: 288 /min
                        Load: 51.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 11.811 V
    
    000581 - Solenoid Valve  for Boost Pressure Control (N75) 
                   P0245 - 000 - Short to Ground - MIL ON
                 Freeze Frame:
                        Fault Status: 11100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:59
    
                 Freeze Frame:
                        RPM: 288 /min
                        Load: 51.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 11.811 V
    
    000052 - Turbocharger Bypass Valve Control Circuit 
                   P0034 - 000 - Low
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:23:59
    
                 Freeze Frame:
                        RPM: 288 /min
                        Load: 51.0 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 35.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 11.811 V
    
    001681 - Fan 1 Control Circuit 
                   P0691 - 000 - Short to GND
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 216639 km
                        Time Indication: 0
                        Date: 2014.02.02
                        Time: 17:24:03
    
                 Freeze Frame:
                        RPM: 942 /min
                        Load: 16.1 %
                        Speed: 0.0 km/h
                        Temperature: 95.0C
                        Temperature: 34.0C
                        Absolute Pres.: 1010.0 mbar
                        Voltage: 14.097 V
    
    Readiness: 1110 0101
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 02E-927-770.clb
       Part No SW: 02E 300 058 N    HW: 02E 927 770 AL
       Component: GSG DSG AG6     512 3509  
       Revision: 05551213    Serial number: 00001204132398
       Coding: 0000020
       Shop #: WSC 05311 000 00000
       VCID: 2502E508EC86E767CA-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 3AA-614-109.clb
       Part No SW: 3AA 614 109 AF    HW: 3AA 614 109 AF
       Component: J104   C2 450M V45C 0023  
       Revision: --H07---    Serial number: 00000005693371
       Coding: 0004495
       Shop #: WSC 05311 000 00000
       VCID: 71AAC15868CEFBC766-8024
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC (J255)       Labels:| 5K0-907-044.clb
       Part No SW: 3AA 907 044 J    HW: 3AA 907 044 J
       Component: Climatronic   H03 0101  
       Revision: 00001K03    
       Coding: 0010001008
       Shop #: WSC 00015 115 00000
       ASAM Dataset: EV_Climatronic A01010
       ROD: EV_ClimaAutoBasis_VW46.rod
       VCID: 373E3F408E2A65F768-8062
    
    2 Faults Found:
    13701888 - Function Restriction due to Faults in Other Modules 
              U1113 00 [009] - -
              [Motorsteuergert - bitte Fehlerspeicher auslesen]
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 6
                        Fault Frequency: 47
                        Reset counter: 92
                        Mileage: 216621 km
                        Date: 2019.08.30
                        Time: 17:03:46
    
    9481200 - Refrigerant Pressure 
              B10AB F0 [009] - Too Low
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 88
                        Mileage: 216621 km
                        Date: 2019.08.30
                        Time: 17:03:46
    
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect. (J519)       Labels:. 3AA-937-087.clb
       Part No SW: 3AA 937 087 J    HW: 3AA 937 087 J
       Component: BCM PQ47 H++  421 0465  
       Revision: BD421001    
       Coding: 0008000000000000008802819400094C2055000840200D20E484402400C0
       Shop #: WSC 05311 000 00000
       VCID: 41CA5198D8EE2B47D6-8014
    
       Subsystem 1 - Part No SW: 3C8 955 119 F    HW: 3C8 955 119 F  Labels: 1KX-955-119.CLB
       Component: WWS464 120412  010 0604 
       Serial number: 120412
       Coding: 00B795
    
       Subsystem 2 - Part No SW: 7N0 955 559     HW: 7N0 955 559   Labels: 7N0-955-559.CLB
       Component: RLFS  021 0024 
       Serial number: Y12M04D23h08m20s09S4
       Coding: 0280DD
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 5N0-959-655.lbl
       Part No SW: 5N0 959 655 T    HW: 5N0 959 655 T
       Component: J234__713 VW10 HI   2118  
       Revision: 24017000    Serial number: 003LDP8URR3S  
       Coding: 0012595
       Shop #: WSC 05311 000 00000
       VCID: 4ED07AA4D9B0C43F5B-801A
    
       Subsystem 1 - Part No: 3C8 959 339 A
       Component: BF-Gewichtsens. 003 0001
    
       Subsystem 2 - Serial number: 000000000087MA
    
       Subsystem 3 - Serial number: 0031.03.120000300000850020†63
    
       Subsystem 4 - Serial number: 850020†6332MTS690810932 †63
    
       Subsystem 5 - Serial number: 10932 †6342MTS695460902 †63
    
       Subsystem 6 - Serial number: 60902 †6351HTS65DL82BKJ †63
    
       Subsystem 7 - Serial number: 82BKJ †6361HTS63GE65BKJ †63
    
       Subsystem 8 - Serial number: 65BKJ †63727TS6PGAN1BKR †63
    
       Subsystem 9 - Serial number: N1BKR †63827TS6SDQM1BKR 
    
       Subsystem 10 - Serial number: M1BKR 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel (J527)       Labels:| 3C0-953-569.clb
       Part No SW: 3C5 953 501 BG    HW: 5K0 953 569 T
       Component: LENKS.MODUL   014 0140  
       Revision: FF010041    Serial number: 20120504200566
       Coding: 098A270000
       Shop #: WSC 00015 115 00000
       ASAM Dataset: EV_VW360SteerWheelUDS A03004
       ROD: EV_VW360SteerWheelUDS.rod
       VCID: 6B96D33082E211175C-803E
    
       Multifunction steering wheel control module: 
       Subsystem 1 - Part No SW: 3C8 959 537 D    HW: 3C8 959 537 D  Labels: 3C8-959-537.CLB
       Component: E221__MFL-TK6  H07 0022 
       Coding: E20000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 3C8-920-xxx-17.clb-SRI1
       Part No SW: 3C8 920 970 T    HW: 3C8 920 970 T
       Component: KOMBI         H04 0609  
       Serial number: 00000000000000
       Coding: 240F00
       Shop #: WSC 05314 115 00000
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04114
       ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
       VCID: 3D322D68AC164FA7B2-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway (J533)       Labels:. 7N0-907-530-V2.clb
       Part No SW: 7N0 907 530 Q    HW: 1K0 907 951 
       Component: J533  Gateway H41 1623  
       Revision:   H41       Serial number: 280412F1000512
       Coding: 469006
       Shop #: WSC 05314 000 00000
       VCID: 3E302A64A91054BFAB-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 1C: Position Sensing        Labels: 1Kx-919-xxx-1C.lbl
       Part No SW: 3C8 919 965     HW: 3C8 919 965 
       Component: Kompass         001 0001  
       Revision: 00001000    Serial number: 1614128R33NZ03
       Coding: 0000002
       Shop #: WSC 05314 000 00000
       VCID: 75A2F5481CA6D7E7BA-8020
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 3C0-959-433-25.clb
       Part No SW: 3AA 959 433 A    HW: 3AA 959 433 A
       Component:    IMMO         042 0400  
       Revision: 00042000    Serial number: VWZCZ000000000
       Shop #: WSC 00395 444 21201
       VCID: 373E3F40462A65F768-8062
    
       Subsystem 1 - Part No: 3C0 905 861 J
       Component:    ELV          029 0380
       3C0905861J     ELV          029 0380   
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 2E: Media Player 3 (J650)       Labels:. 5N0-035-342.lbl
       Part No SW: 5N0 035 342 E    HW: 5N0 035 342 E
       Component: SG EXT.PLAYER H13 0240  
       Revision: A1001003    Serial number: 7662439425    
       Coding: 010000
       Shop #: WSC 05314 000 00000
       VCID: 291AE938409EC307EE-807C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver (J386)       Labels:| 3C0-959-70X-GEN4.clb
       Part No SW: 3C8 959 701     HW: 3C0 959 793 C
       Component: TUER-SG FT    002 0551  
       Revision: 12110009    Serial number: 0004840636
       Coding: 0004B7
       Shop #: WSC 05311 115 00000
       ASAM Dataset: EV_TSGFPQ35BRFVW46X A04001
       ROD: EV_TSGFPQ35BRFVW46X_VW32.rod
       VCID: 6D92DD28BCF61F2742-8038
    
       Slave Driver: 
       Subsystem 1 - Part No SW: 3C8 959 703 D    HW: 3C8 959 795   Labels: 1K0-959-70X-GEN4.CLB
       Component: J388__TSG-HL  004 0501 
       Serial number: 00000002872047      
       Coding: 010490
    
    1 Fault Found:
    66048 - Motor for Front Window Regulator 
              B11EC 54 [008] - Missing Calibration / Basic Setting
              Intermittent - Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 7
                        Fault Frequency: 1
                        Reset counter: 130
    
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 5N1-909-144.clb
       Part No SW: 5N1 909 144 M    HW: 5N1 909 148 G
       Component: J500__APA-BS KL.302 1002  
       Revision: 1AH03734    Serial number: 00121050056401
       Coding: 0000258
       Shop #: WSC 05311 000 00000
       VCID: 3C34206C7F0C46AF85-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 3C0-959-433-46.clb
       Part No SW: 3AA 959 433 A    HW: 3AA 959 433 A
       Component:    KSG PQ47 ELV 042 0634  
       Revision: 00042000    Serial number: VWZCZ000000000
       Coding: 1B910F8001862E521204141FF08A0F0E105801
       Shop #: WSC 00395 444 21201
       VCID: 373E3F40462A65F768-8062
    
       Subsystem 1 - Part No: 1K0 951 605 C
       Component: LIN BACKUP HORN H05 1501
    
       Subsystem 2 - Component:       NGS n.mounted     
    
       Subsystem 3 - Component:      IRUE n.mounted     
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 4F: Centr. Electr. II (J520)       Labels:. 1K0-907-532.clb
       Part No SW: 7N0 907 532     HW: 1K0 907 951 
       Component: EZE_2         H41 1623  
       Revision:   H41       Serial number: 280412F1000512
       Coding: 00000008
       Shop #: WSC 05314 000 00000
       VCID: 6FAEC720BEFAED3770-803A
    
       Subsystem 1 - Part No SW: 3C8 919 204 A    HW: 3C8 919 204 A
       Component: Analoguhr  005 0003 
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass. (J387)       Labels:| 3C0-959-70X-GEN4.clb
       Part No SW: 3C8 959 702     HW: 3C0 959 792 C
       Component: TUER-SG BT    002 0551  
       Revision: 14110009    Serial number: 0004870797
       Coding: 0004B6
       Shop #: WSC 05311 115 00000
       ASAM Dataset: EV_TSGBPQ35BRFVW46X A04001
       ROD: EV_TSGBPQ35BRFVW46X_VW32.rod
       VCID: 6E90DA24B1F0E43F7B-803A
    
       Slave Passenger: 
       Subsystem 1 - Part No SW: 3C8 959 704 D    HW: 3C8 959 794   Labels: 1K0-959-70X-GEN4.CLB
       Component: J389__TSG-HR  004 0501 
       Serial number: 00000002882748      
       Coding: 010490
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake        Labels: 3AA-907-801.clb
       Part No SW: 3AA 907 801 H    HW: 3AA 907 801 H
       Component: J540 EPB4  VW-86594 0010  
       Revision:   H19       Serial number: 00000000175606
       Coding: 0022156
       Shop #: WSC 05311 000 00000
       VCID: 3620324441209CFF73-8062
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 55: Headlight Range (J745)       Labels:. 5M0-907-357-V3.clb
       Part No SW: 5M0 907 357 F    HW: 7L6 907 357 C
       Component: AFS-ECU       H04 0111  
       Revision: --------    Serial number: --------------
       Coding: 071200010B000400
       Shop #: WSC 05311 115 00000
       ASAM Dataset: EV_HeadlRegulVWAFSPt 002016
       ROD: EV_HeadlRegulVWAFSPt_VW46.rod
       VCID: 373E3F408E2A65F768-8062
    
       Subsystem 1 - Part No SW: 1T0 941 329     HW: 1T0 941 329   Labels: 3D0-941-329.CLB
       Component: LeiMo links  H06 0007 
       Coding: 350000
    
       Subsystem 2 - Part No SW: 1T0 941 329     HW: 1T0 941 329   Labels: 3D0-941-329.CLB
       Component: LeiMo rechts  H06 0007 
       Coding: 350000
    
    1 Fault Found:
    5276691 - Stationary Cornering Lamp Right 
              C1084 13 [009] - Open Circuit
              Confirmed - Tested Since Memory Clear
                 Freeze Frame:
                        Fault Status: 00000001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 89
                        Mileage: 216631 km
                        Date: 2019.09.01
                        Time: 00:58:07
    
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
       Part No SW: 1K0 035 180 AE    HW: 1K0 035 180 AE
       Component: Radio Prem-8  H02 0016  
       Revision: -----16S    Serial number: VWZ4Z7M1116764
       Coding: 0100040004000F
       Shop #: WSC 05311 000 00000
       VCID: 6386BB1062325957E4-8036
    
    1 Fault Found:
    02635 - Tuner Not Enabled/Activated 
                000 - -
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 7
                        Fault Frequency: 1
                        Reset counter: 88
                        Mileage: 216621 km
                        Time Indication: 0
                        Date: 2014.01.20
                        Time: 17:03:46
    
    
    -------------------------------------------------------------------------------
    Address 65: Tire Pressure (J502)       Labels: 3AA-907-273.clb
       Part No SW: 3AA 907 273 D    HW: 3AA 907 273 D
       Component: RDKBERU30     H09 0010  
       Serial number: 10000000120754
       ASAM Dataset: EV_RDKBERU30 003012
       ROD: EV_RDKBERU30_003.rod
       VCID: 35223548942697E77A-8060
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 77: Telephone (J412)       Labels:| 7P6-035-730.clb
       Part No SW: 5K0 035 730 E    HW: 5K0 035 730 E
       Component: TELEFON       H09 2902  
       Revision: 1B001001    Serial number: 00007661339550
       Coding: 0A10040000010110
       Shop #: WSC 22503 444 103858
       ASAM Dataset: EV_UHVNA A01719
       ROD: UHVNA.rod
       VCID: 271EEF005E8AF577F8-8072
    
    No fault code found.
    
    End----------(Elapsed Time: 01:45, VBatt start/end: 12.6V/12.5V)-----------
    Last edited by Uwe; 09-13-2019 at 04:27 PM. Reason: CODE tags

  2. #2
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    Looking at the error codes I would say you still have shorting wire somewhere in the engine bay.

    Do you have factory wiring diagram for your car? If not buy 1 hour from Erwin and print the engine bay wiring diagrams. Especially check the wiring from the modules giving the errors. They most likely have common feed which is shorted at some point.

  3. #3
    Verified VCDS User
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    Quote Originally Posted by downtime View Post
    Looking at the error codes I would say you still have shorting wire somewhere in the engine bay.

    Do you have factory wiring diagram for your car? If not buy 1 hour from Erwin and print the engine bay wiring diagrams. Especially check the wiring from the modules giving the errors. They most likely have common feed which is shorted at some point.

    I do not have a wiring diagram, however all wires has been checked for each module.....

  4. #4
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    Not experienced with this model, but did you remove any engine mounts? If so, were there any 'oh shit forgot to unplug this wire' moments? Aka did any wiring come under mechanical stress. If so any spot theyre mounted to a bracket or feeded through the firewall should be checked.
    Current:
    2018 Tiguan AD Highline 2.0 BiTDI 240hp > Stage 1+ 328hp
    2016 Polo 6C Highline 1.0 TSI 105hp

  5. #5
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    Quote Originally Posted by Silkrauto View Post
    I do not have a wiring diagram, however all wires has been checked for each module...…..
    I’m sorry but I’ve heard this comment so many times and then when they’re checked against the diagrams, oops, broken or shorted wire

    Anyway, with the diagrams you are able to pinpoint from which pins you should have what and then debug using good old fashioned multimeter.

    Then one thing, check the relays in the engine fuse box. The short might be in the relay as well.

  6. #6
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    What caused the wires to melt in the first place? Definitely looks like a wiring issue where there could be more damaged wiring further up/down in the loom. I would suggest getting hold of a engine bay wiring loom and refitting that and not waste time trying to repair the original unless you are ok with unwrapping big sections of it
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    "Short to GND" can also be caused by a lack of +12V on the other side of the actuator. Most actuators are low-side switched, in other words they have +12V on the one side all the time and the ECU switches the other side to GND in order to turn on that actuator. If there's no +12 on the ECU's input when the switching element is off, it will report "Short to GND".

    Check wiring diagram for a common source of +12 for these actuators. The problem may be as simple as a blown fuse or a relay that isn't closing.

    -Uwe-
    The engineering problems are likely insurmountable. It would be like proposing to land a rocket booster section on a barge floating in the middle of the ocean.

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    Uwe, you might be right. Here is the one code for battery terminal..... 012423 -
    (Voltage Supply Relay for Engine Components P3087 - 000 - Electrical Malfunction - MIL ON)

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    Downtime, there is only two relays in the engine bay fuse box. Ive tried to replace them but nothing....
    Last edited by Silkrauto; 09-13-2019 at 05:04 PM.

  10. #10
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    Quote Originally Posted by morski View Post
    What caused the wires to melt in the first place? Definitely looks like a wiring issue where there could be more damaged wiring further up/down in the loom. I would suggest getting hold of a engine bay wiring loom and refitting that and not waste time trying to repair the original unless you are ok with unwrapping big sections of it
    Im not sure what caused it to melt, that was right behind the break booster pump (same on all 2.0 tsi between 09-14- Tiguan, passat, jetta, GTI, golf) Ive replaced so many booster gaskets but never seen the wire damage at that place.

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