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Thread: 07 Jetta ABS Module No Communication

  1. #1
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    07 Jetta ABS Module No Communication

    2007 VW Jetta 2.5L

    Issue:

    Car has the following dash board lights on and the speedometer and odometer are not functional.
    * ABS
    * Flashing Brake Light
    * EPC
    * Power Steering
    * Check Engine

    Backstory: Vehicle registration expired so I had stopped driving the car until I could sort out the paperwork; about 2-months. During that time I had to start and move the car multiple times, but never gave the battery a chance to re-charge. The vehicle began to have trouble starting so I put an automatic trickle charger on the battery (while in the car). Once the battery was charged I began to experience these issues.


    Trouble shooting performed:

    * Battery tested at Advance Autoparts, CCA were within range
    * Battery voltage at terminal, not running: ~12.5
    * Battery voltage at terminal, running: ~14.5
    * All fuses inspected in engine bay.
    * All fuses inspected in left dash.

    I read through this post on TDIClub with someone who had similar issues. I am assuming that the ABS module is bad on my car. I wanted to try to confirm this before starting to replace parts; or get pointed in the correct direction for troubleshooting.
    I also have an older scan of the vehicle when even-thing was functional if necessary. Any help would be great, thanks in advance.

    -Ryan



    VCDS Auto-Scan:
    Code:
    Wednesday,01,May,2019,19:53:42:34904
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 18.9.1.0 (x64)
    Data version: 20190114 DS296.0
    www.Ross-Tech.com
    
    
    VIN: 3VWGF71K27M141386   License Plate: 
    Mileage: 243440km-151266mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 1K (1K0)
    Scan: 01 02 03 08 09 15 16 17 19 25 42 44 46 52 56 62 65 72
    
    VIN: 3VWGF71K27M141386   Mileage: 243440km-151266miles
    
    00-Steering Angle Sensor -- Status: OK 0000
    01-Engine -- Status: Malfunction 0010
    02-Auto Trans -- Status: Malfunction 0010
    03-ABS Brakes -- Status: Cannot be reached 1100
    08-Auto HVAC -- Status: Malfunction 0010
    09-Cent. Elect. -- Status: Malfunction 0010
    15-Airbags -- Status: Malfunction 0010
    16-Steering wheel -- Status: OK 0000
    17-Instruments -- Status: Malfunction 0010
    19-CAN Gateway -- Status: Malfunction 0010
    25-Immobilizer -- Status: Sporadic communication error 1000
    42-Door Elect, Driver -- Status: Malfunction 0010
    44-Steering Assist -- Status: Malfunction 0010
    46-Central Conv. -- Status: Malfunction 0010
    52-Door Elect, Pass. -- Status: OK 0000
    56-Radio -- Status: OK 0000
    62-Door, Rear Left -- Status: Sporadic communication error 1000
    65-Tire Pressure -- Status: Malfunction 0010
    72-Door, Rear Right -- Status: OK 0000
     
    -------------------------------------------------------------------------------
    Address 01: Engine        Labels: 06A-906-032-BGP.lbl
       Part No SW: 07K 906 032 S    HW: 07K 906 032 Q
       Component: 2.5l R5/4V      G   9652  
       Revision: --H01---    Serial number: VWZ7Z0G9034731
       Coding: 0000003
       Shop #: WSC 00066 000 00000
       VCID: 39796EC970D1CA82DA-806C
    
    4 Faults Found:
    049441 - No Communication with ABS Brake Control Module 
                   U0121 - 008 - 
                 Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 0
                        Fault Frequency: 2
                        Reset counter: 255
                        Mileage: 243448 km
                        Time Indication: 0
    
                 Freeze Frame:
                        RPM: 0 /min
                        Load: 0.0 %
                        Speed: 0.0 km/h
                        Temperature: 18.0°C
                        Temperature: 20.0°C
                        Absolute Pres.: 1000.0 mbar
                        Voltage: 12.192 V
    
    049441 - No Communication with ABS Brake Control Module 
                   U0121 - 008 - 
                 Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 0
                        Fault Frequency: 2
                        Reset counter: 255
                        Mileage: 243448 km
                        Time Indication: 0
    
                 Freeze Frame:
                        RPM: 0 /min
                        Load: 0.0 %
                        Speed: 0.0 km/h
                        Temperature: 18.0°C
                        Temperature: 20.0°C
                        Absolute Pres.: 1000.0 mbar
                        Voltage: 12.192 V
    
    049441 - No Communication with ABS Brake Control Module 
                   U0121 - 008 - 
                 Freeze Frame:
                        Fault Status: 01101000
                        Fault Priority: 0
                        Fault Frequency: 22
                        Reset counter: 255
                        Mileage: 243448 km
                        Time Indication: 0
    
                 Freeze Frame:
                        RPM: 1696 /min
                        Load: 40.4 %
                        Speed: 0.0 km/h
                        Temperature: 18.0°C
                        Temperature: 20.0°C
                        Absolute Pres.: 1000.0 mbar
                        Voltage: 11.557 V
    
    001281 - Vehicle Speed Sensor 
                   P0501 - 002 - Implausible Signal - MIL ON
                 Freeze Frame:
                        Fault Status: 11100010
                        Fault Priority: 0
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 06:59:02
    
                 Freeze Frame:
                        RPM: 1279 /min
                        Load: 16.5 %
                        Speed: 0.0 km/h
                        Temperature: 86.0°C
                        Temperature: 36.0°C
                        Absolute Pres.: 1000.0 mbar
                        Voltage: 14.351 V
    
    Readiness: 0000 1100
    
    -------------------------------------------------------------------------------
    Address 02: Auto Trans        Labels: 09G-927-750.clb
       Part No SW: 09G 927 750 FL    HW: 09G 927 750 FL
       Component: AQ 250 6F           0920  
       Revision: 00H69000    Serial number:               
       Coding: 0000072
       Shop #: WSC 00066 000 00000
       VCID: 000FC32D538B5B4ADD-8054
    
    1 Fault Found:
    01316 - ABS Control Module 
                004 - No Signal/Communication
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
       Part No: 1K0 820 047 GR
       Component: Climatic PQ35   120 0606  
       Shop #: WSC 00000 000 00000
       VCID: 7AFBB1C53557019A93-802E
    
    1 Fault Found:
    01316 - ABS Control Module 
                004 - No Signal/Communication
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 3C0-937-049-23-M.lbl
       Part No SW: 3C0 937 049 AD    HW: 3C0 937 049 AD
       Component: Bordnetz-SG     H52 2002  
       Revision: 00H52000    Serial number: 00000000565573
       Coding: 14050E234004150007140000001400000008730B5C0000
       Shop #: WSC 00000 000 00000
       VCID: 6BD584814A0DA81218-803E
    
       Subsystem 1 - Part No: 1K1 955 119 E  Labels: 1KX-955-119.CLB
       Component: Wischer 260207 020  0501  
       Coding: 00038805
       Shop #: WSC 00000  
    
    6 Faults Found:
    01259 - Fuel Pump Relay (J17) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 36
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2005.09.13
                        Time: 31:63:63
    
                 Freeze Frame:
                            OFF
                        Voltage: 12.40 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    00906 - Horn (H1) 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 36
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2005.09.13
                        Time: 31:63:63
    
                 Freeze Frame:
                            OFF
                        Voltage: 12.35 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    00834 - Signal for Activation of Heated Rear Window 
                009 - Open or Short to Ground - Intermittent
                 Freeze Frame:
                        Fault Status: 00101001
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 36
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2005.09.13
                        Time: 31:63:63
    
                 Freeze Frame:
                            OFF
                        Voltage: 12.40 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    01333 - Door Control Module; Rear Left (J388) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 26
                        Mileage: 243338 km
                        Time Indication: 0
                        Date: 2005.09.13
                        Time: 31:63:63
    
                 Freeze Frame:
                            OFF
                        Voltage: 12.35 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    00059 - Terminal 30 for Interior Lighting 
                012 - Electrical Fault in Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101100
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 36
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2005.09.13
                        Time: 31:63:63
    
                 Freeze Frame:
                            OFF
                        Voltage: 12.45 V
                            OFF
                            OFF
                            OFF
                            OFF
                            OFF
    
    00926 - Terminal 30 
                011 - Open Circuit - Intermittent
                 Freeze Frame:
                        Fault Status: 00101011
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 36
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2005.09.13
                        Time: 31:63:63
    
                 Freeze Frame:
                            OFF
                        Voltage: 5.00 V
                            OFF
                            ON
                            OFF
                            OFF
                            OFF
    
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 1K0-909-605.lbl
       Part No SW: 1K0 909 605 AB    HW: 1K0 909 605 AB
       Component: 6A AIRBAG VW8R  034 8000  
       Revision: 05034000    Serial number: 003B6M013GDW  
       Coding: 0013889
       Shop #: WSC 00066 000 00000
       VCID: 6CD7879D4F03AF2A11-8038
    
       Subsystem 1 - Part No: 1K0 959 339 F
       Component: BF-Gewichtsens. 007 0005
    
       Subsystem 2 - Serial number: 6332MSME150D0207%
    
       Subsystem 3 - Serial number: 6342MSME154E00376
    
       Subsystem 4 - Serial number: 6351HSME0C46334FE
    
       Subsystem 5 - Serial number: 6361HSME0C37043B8
    
       Subsystem 6 - Serial number: 63727SME0B404A31-
    
       Subsystem 7 - Serial number: 63827SME0B404266.
    
    1 Fault Found:
    01316 - ABS Control Module 
                004 - No Signal/Communication
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 1K0-953-549-MY8.lbl
       Part No SW: 1K0 953 549 AP    HW: 1K0 953 549 AP
       Component: Lenksäulenmodul 036 0070  
       Coding: 0010021
       Shop #: WSC 00066 000 00000
       VCID: 000FC32D538B5B4ADD-8054
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments        Labels: 1K0-920-xxx-17.lbl
       Part No SW: 1K0 920 953 P    HW: 1K0 920 953 P
       Component: KOMBIINSTRUMENT 3HL 1610  
       Revision: V0003000    Serial number: VWZ7Z0G9034731
       Coding: 0023207
       Shop #: WSC 09412 444 67060
       VCID: 387F6BCD4BDBD38A25-806C
    
    1 Fault Found:
    01316 - ABS Control Module 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 9
                        Reset counter: 251
                        Mileage: 243448 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 19:29:06
    
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 1K0-907-530-V2.clb
       Part No SW: 1K0 907 530 K    HW: 1K0 907 951 
       Component: J533__Gateway   H04 0021  
       Revision:   H04 02    Serial number: 140207F1001225
       Coding: 3FBF034007001002
       Shop #: WSC 00066 000 00000
       VCID: 2F6D5091BE95143274-807A
    
    4 Faults Found:
    01316 - ABS Control Module 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 246
                        Mileage: 243448 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 19:29:07
    
    00474 - Control Module for Immobilizer 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00110100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 35
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 06:27:57
    
    01333 - Door Control Module; Rear Left (J388) 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00110100
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 25
                        Mileage: 243338 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 16:05:49
    
    01305 - Databus for Infotainment 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 1
                        Fault Frequency: 254
                        Reset counter: 251
                        Mileage: 131791 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 09:49:52
    
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 1K0-920-xxx-25.clb
       Part No SW: 1K0 920 953 P    HW: 1K0 920 953 P
       Component: IMMO            3HL 1610  
       Revision: V0003000    Serial number: VWZ7Z0G9034731
       Shop #: WSC 00000 000 00000
       VCID: 387F6BCD4BDBD38A25-806C
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
       Part No SW: 1K0 959 701 P    HW: 1K0 959 793 L
       Component: J386  TUER-SG FT    1133  
       Revision: 32008001    Serial number: 00000554078130
       Coding: 0001205
       Shop #: WSC 00066 000 00000
       VCID: 3B7574C17AEDF892C8-806E
    
    2 Faults Found:
    00928 - Locking Module for Central Locking; Front Driver Side (F220) 
                008 - Implausible Signal
                 Freeze Frame:
                        Fault Status: 01111000
                        Fault Priority: 3
                        Fault Frequency: 254
                        Reset counter: 251
                        Mileage: 0 km
                        Time Indication: 0
    
    00105 - Signal Central Locking SAVE/LOCK Drivers Side 
                008 - Implausible Signal - Intermittent
                 Freeze Frame:
                        Fault Status: 00101000
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 33
                        Mileage: 243449 km
                        Time Indication: 0
    
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 1Kx-909-144-G2V3.clb
       Part No: 1K1 909 144 L
       Component: EPS_ZFLS Kl.070 H07 1806  
       Shop #: WSC 02069 000 90108
       VCID: 34675FFD57B337EA09-8060
    
    2 Faults Found:
    00625 - Vehicle Speed Signal 
                004 - No Signal/Communication - MIL ON
                 Freeze Frame:
                        Mileage: 243440 km
                        Temperature: 18.0°C
                        Voltage: 10.80 V
                        Voltage: 10.60 V
    
    00778 - Steering Angle Sensor (G85) 
                000 -  - 
                 Freeze Frame:
    
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 1K0-959-433-MAX.clb
       Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
       Component:    KSG PQ35 RDK 052 0218  
       Revision: 00052000    Serial number: 00000000000000
       Coding: 13900F880186281B0904058FB0880F0488DCA0
       Shop #: WSC 00066 000 00000
       VCID: 0407CF3D4793476AF9-8050
    
       Subsystem 1 - Component:   Sounder n.mounted     
    
       Subsystem 2 - Component:       NGS n.mounted     
    
       Subsystem 3 - Component:      IRUE n.mounted     
    
    1 Fault Found:
    00625 - Vehicle Speed Signal 
                004 - No Signal/Communication
                 Freeze Frame:
                        Fault Status: 01100100
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 251
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 06:49:54
    
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
       Part No SW: 1K0 959 702 P    HW: 1K0 959 792 L
       Component: J387  TUER-SG BT    1133  
       Revision: 32008001    Serial number: 00000561578125
       Coding: 0001204
       Shop #: WSC 00066 000 00000
       VCID: 3C7777DD7FE3FFAAC1-8068
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio
    Cannot be reached
    
    -------------------------------------------------------------------------------
    Address 62: Door, Rear Left        Labels:. 1K0-959-703-GEN3.clb
       Part No SW: 1K0 959 703 Q    HW: 1K0 959 795 J
       Component: J388   TUER-SG HL   1120  
       Revision: 12006001    Serial number: 00000001120542
       Coding: 0001168
       Shop #: WSC 00066 000 00000
       VCID: 3E737DD569FFEDBAEF-806A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 65: Tire Pressure        Labels: 3C0-959-433-65.lbl
       Part No SW: 1K0 959 433 CT    HW: 1K0 959 433 CT
       Component:    RDK              0440  
       Revision: 00052000    Serial number: 00000000000000
       Coding: 0100101
       Shop #: WSC 00066 000 00000
       VCID: 0407CF3D4793476AF9-8050
    
    2 Faults Found:
    01521 - Sensor for Tire Pressure 
                004 - No Signal/Communication - Intermittent
                 Freeze Frame:
                        Fault Status: 00110100
                        Fault Priority: 4
                        Fault Frequency: 1
                        Reset counter: 31
                        Mileage: 242449 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 04:15:18
    
    00625 - Vehicle Speed Signal 
                008 - Implausible Signal
                 Freeze Frame:
                        Fault Status: 01111000
                        Fault Priority: 4
                        Fault Frequency: 3
                        Reset counter: 251
                        Mileage: 243449 km
                        Time Indication: 0
                        Date: 2000.00.00
                        Time: 06:30:28
    
    
    -------------------------------------------------------------------------------
    Address 72: Door, Rear Right        Labels:. 1K0-959-704-GEN3.clb
       Part No SW: 1K0 959 704 Q    HW: 1K0 959 794 J
       Component: J389   TUER-SG HR   1120  
       Revision: 12006001    Serial number: 00000001170091
       Coding: 0001168
       Shop #: WSC 00066 000 00000
       VCID: 3F8D00D16EF5E4B2E4-806A
    
    No fault code found.

  2. #2
    Benevolent Dictator Uwe's Avatar
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    Your ABS is clearly off-line; neither the car's Gateway nor VCDS can talk to it.

    To trouble-shoot this using a means other than just plugging in a different ABS, you're going to need wiring diagrams to check power(s), ground(s) and CAN bus connections at the ABS module's connector.

    -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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  4. #3
    New User
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    Thanks for the direction forward!

    I borrowed a copy of the Bentley manual so I could test the connections on the harness, unfortunately it only had the pinout for the 47 pin connector and mine is the 26? pin connector. I compared the pictures of the two connectors and they are very similar. I was able to assume the power and ground were in the same location (larger blade style pins).
    I was able to verify I had power power and ground.

    I purchased a used abs module off of ebay and plugged it in. After clearing all the codes and re-testing, I am successfully able to talk to the abs module!

    I am still assuming that the trickle charger damaged the original ABS module.

    Now I have to tackle removing and installing the pump & module.

  5. #4
    Benevolent Dictator Uwe's Avatar
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    Quote Originally Posted by kiefer_squared View Post
    I am still assuming that the trickle charger damaged the original ABS module.
    I doubt that. The only mechanism I can think of for a charger to damage a module is with excessive voltage, but I'd expect to have seen some "voltage too high" codes in other modules if that happened.

    -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.

  6. Likes PetrolDave liked this post

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