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Thread: Passat B6 CBAB engine cut off while driving

  1. #1
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    Passat B6 CBAB engine cut off while driving

    Hello guys,

    I have in my workshop one passat B6 with CBAB engine. The client came in the workshop because the engine while driving starts shuddering on half or full load intermittent and in some momments even cuts off.

    Repair taking cared before he got to me: tank feed pump changed, high pressure, and high pressure feed pump also changed. Fuel rail regulator changed, also fuel filter changed, pipes and fuel tank drained and cleaned.

    When he got to me I made him a quick drive test and suposed that injectors are failling so I have sent them to a proffesional workshop for further investigation on the test bench. They turned out all 4 to be out of specs specialy on the full load fuel debit side, realy out of range. I give it a go, ordered new ones from Bosch, replaced them, coded them and surprise, car behaves the same! No signifiant change. Also to mention the car has 615k km so it was clear that injectors could not have gone so many miles without breaking.

    I also have noticed that when the engine cuts off after shuddering strong, the batt sign and check engine does not litt but just after pushing the clutch and the rpm drops to 0. It starts right away without no problem and keeps going till it shudders again and stals.

    No fault codes stored before, during and after.
    I can post an autoscan but there are no related faults stored in regards to this issue. Not even lost comunication erros for the engine ecu that can take you to a power interruption.

    Could be a failing ecu or voltage regulators from the ecu that controls the injectors? This version has piezo injectors, a realy pain in the ass. Could be a loose conection somewhere that only makes intermittent interruption when on half/full load throtle?

    Any input is highly apreciated as i have run out of options.

  2. #2
    Benevolent Dictator Uwe's Avatar
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    If you have an Auto-Scan from this car (look in your Scans sub-folder) please post it. Context is always good.

    -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.

  3. #3
    NostraJackAss Jack@European_Parts's Avatar
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    No ground and power bus confirmation enhancements to authenticate huh & all those parts changed..... with further speculative type behavior already?

    JPPSG

    http://forums.ross-tech.com/showthre...uot-JPPSG-quot
    European Parts Emporium/Performance / Immobilizer Solutions EPE
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  4. #4
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    I dont realy understand what you are saying. If you realy want to help somebody it is a good start not to condamn him first if he is doing something wrong.

  5. #5
    NostraJackAss Jack@European_Parts's Avatar
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    I don’t realy understand what you are saying. If you realy want to help somebody it is a good start not to condamn him first if he is doing something wrong.

    I asked a question sir, you are mistaken........and I pointed you toward a process tree for JPPSG .

    Maybe it is you who should check their own process in thy head....no? <<<<<<< See that is a question?

    ???????????
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
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  6. #6
    NostraJackAss Jack@European_Parts's Avatar
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    Have you checked the terminal relays and ignition switch too........?

    What about a wonky G28?

    How is the harness where the idiots but a chafe point by the cylinder head and oil filter?
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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  8. #7
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    I have checked electrical conections on the engine bay fuse panel because were with rust signs. Ignition switch was not checked. What issues can cause the ignition switch? I believe if the switch is faulty it shoul trow a fault...

    My thoughts were also ar the G28 engine speed sensor but when the engine stalls the rpm gauge is still working

    Now, good point about the stupid route of the harnes between the oil filter and engine block. Today left the shop with in mind that tomorrow I should check it out because: there is oil on the harness insulation. It is bended 90 degrees and it is verry close to the engine. May oil an extreme heat cause insulation problems/cracks that causing grounding short issues that is freezing the ECU? I know that piezo injector are working with high voltage up to 200V and also high frequency PWM

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  10. #8
    NostraJackAss Jack@European_Parts's Avatar
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    See now you are thinking correctly......Pictures!

    Don't forget to report back and even though no scan has a DTC it helps others identify the configuration....I happen to know that an CBAB is like a 03L CBEA here in USA.

    See now you made me think of Romania street racing and those very pretty girls there.

    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

  11. #9
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    Below the Autoscan

    Code:
    Thursday,15,February,2018,17:30:30:28047
    VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
    VCDS Version: 18.1.0.2 (x64)
    Data version: 20180122 DS285.1
    www.Ross-Tech.com
    
    
    VIN: WVWZZZ3CZAE063720   License Plate: 
    Mileage: 614880km-382068mi   Repair Order: 
    
    
    
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    
    
    Chassis Type: 3C-VW46 (3C0)
    Scan: 01 03 08 09 15 16 17 19 25 42 44 46 52 53 56 77
    
    VIN: WVWZZZ3CZAE063720   Mileage: 614880km-382068miles
    
    01-Engine -- Status: Malfunction 0010
    03-ABS Brakes -- Status: OK 0000
    04-Steering Angle -- Status: OK 0000
    08-Auto HVAC -- Status: OK 0000
    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
    25-Immobilizer -- Status: OK 0000
    42-Door Elect, Driver -- Status: OK 0000
    44-Steering Assist -- Status: OK 0000
    46-Central Conv. -- Status: OK 0000
    52-Door Elect, Pass. -- Status: OK 0000
    53-Parking Brake -- Status: OK 0000
    56-Radio -- Status: Malfunction 0010
    77-Telephone -- Status: Malfunction 0010
     
    -------------------------------------------------------------------------------
    Address 01: Engine (CBD)       Labels: 03L-906-022-CBA.clb
       Part No SW: 03L 906 022 BT    HW: 03L 907 309 
       Component: R4 2,0L EDC G000SG  5579  
       Revision: 13H02---    Serial number: VWZCZ000000000
       Coding: 0000071
       Shop #: WSC 84307 420 460358
       VCID: 78FF21EC0BBEC4858D-802C
    
    1 Fault Found:
    001649 - Cylinder 1 Glow Plug Circuit (Q10) 
                   P0671 - 000 - Electrical Fault
                 Freeze Frame:
                        Fault Status: 01100000
                        Fault Priority: 2
                        Fault Frequency: 1
                        Reset counter: 255
                        Mileage: 614880 km
                        Time Indication: 0
                        Date: 2012.07.08
                        Time: 17:21:33
    
                 Freeze Frame:
                        RPM: 943 /min
                        Speed: 0.0 km/h
                        Voltage: 14.14 V
                        Temperature: 9.9C
                        Bin. Bits: 10110000
                        Time: 2.52 s
                        Temperature: 12.6C
    
    Readiness: 0 0 0 0 1 
    
    -------------------------------------------------------------------------------
    Address 03: ABS Brakes        Labels: 3C0-614-109-C4.clb
       Part No SW: 3C0 614 109 AE    HW: 3C0 614 109 AE
       Component: J104    C4 440 V1   0015  
       Revision: --025---    Serial number: 00000795655996
       Coding: 0000260
       Shop #: WSC 05311 000 00000
       VCID: 61C96C88B824254DDA-8034
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 08: Auto HVAC        Labels: 1K0-820-047.lbl
       Part No SW: 1K0 820 047 JP    HW: 1K0 820 047 JP
       Component: Climatic PQ35   143 1515  
       Revision: 00143034    Serial number: 00000000000000
       Shop #: WSC 00000 000 00000
       VCID: 7BF53EE03A88EF9DE0-802E
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 09: Cent. Elect.        Labels:. 3C0-937-049-30-H.lbl
       Part No SW: 3C8 937 049 E    HW: 3C8 937 049 E
       Component: Bordnetz-SG     H54 2602  
       Revision: 00H54000    Serial number: 00000003375806
       Coding: E1888F0700041A00470A00000F00000000095D435C000120000000000000
       Shop #: WSC 05124 000 00000
       VCID: 3365D6C05258E7DD78-8066
    
       Subsystem 1 - Part No: 3C1 955 419 B  Labels: 1KX-955-119.CLB
       Component: Wischer 100909 006  0208  
       Coding: 00046997
       Shop #: WSC 05124  
    
       Subsystem 2 - Part No: 1K0 955 559 AH  Labels: 1K0-955-559-AG.CLB
       Component: RLS     201009 054  0402  
       Coding: 00208936
       Shop #: WSC 05124  
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 15: Airbags        Labels: 5N0-959-655.lbl
       Part No SW: 5N0 959 655 J    HW: 5N0 959 655 J
       Component: J234__00H VW10 HI   1916  
       Revision: 20013000    Serial number: 003E2PMFZQDQ  
       Coding: 0012360
       Shop #: WSC 05311 000 00000
       VCID: 4487851C07F65065D1-8010
    
       Subsystem 1 - Serial number: 6332MTS687002729 
    
       Subsystem 2 - Serial number: 6342MTS614282719 
    
       Subsystem 3 - Serial number: 6351HTS64U4366KR 
    
       Subsystem 4 - Serial number: 6361HTS6FFM266KR 
    
       Subsystem 5 - Serial number: 00000000000000000
    
       Subsystem 6 - Serial number: 00000000000000000
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 16: Steering wheel        Labels: 3C0-953-549-SW25.lbl
       Part No SW: 3C0 953 549 BA    HW: 3C0 953 549 BA
       Component: J0527               0030  
       Revision: 00034000    Serial number: 3C9953507CL   
       Coding: 0000014
       Shop #: WSC 05314 000 00000
       VCID: 6CD70DBC4FE6782579-8038
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 17: Instruments (J285)       Labels:| 3C8-920-xxx-17.clb-SRI1
       Part No SW: 3C0 920 872 B    HW: 3C0 920 872 B
       Component: KOMBI         H02 0206  
       Serial number: 00000000000000
       Coding: 161F00
       Shop #: WSC 05314 115 00000
       ASAM Dataset: EV_Kombi_UDS_VDD_RM09 A04040
       ROD: EV_Kombi_UDS_VDD_RM09_004_VW32.rod
       VCID: 2447259C2FB67065F1-8070
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 19: CAN Gateway        Labels:. 3C0-907-530-V3.clb
       Part No SW: 3C0 907 530 Q    HW: 3C0 907 951 
       Component: J533  Gateway   H13 0170  
       Revision:   H13       Serial number: 3420P09914006D
       Coding: F9801F06000602002002
       Shop #: WSC 05311 000 08193
       VCID: 2F6DDAB0BE70C33D1C-807A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 25: Immobilizer        Labels: 3C0-959-433-25.clb
       Part No SW: 3C0 959 433 AQ    HW: 3C0 959 433 AQ
       Component:    IMMO         044 0383  
       Revision: 00044000    Serial number: VWZCZ000000000
       Shop #: WSC 131071 1023 2097151
       VCID: 79F924E830B4DD8DF2-802C
    
       Subsystem 1 - Part No: 3C0 905 861 H
       Component:    ELV          028 0380
       3C0905861H     ELV          028 0380   
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 42: Door Elect, Driver        Labels:. 1K0-959-701-MIN3.clb
       Part No SW: 1K0 959 701 AR    HW: 1K0 959 793 N
       Component: J386  TUER-SG FT    1501  
       Revision: 72009005    Serial number: 00000791899010
       Coding: 0000053
       Shop #: WSC 05311 000 00000
       VCID: 7EF337F4299AFAB5C7-802A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 44: Steering Assist        Labels: 5N1-909-144.clb
       Part No SW: 5N1 909 144 R    HW: 5N1 909 148 J
       Component: J500__APA-BS KL.0   1401  
       Revision: 1BH04739    Serial number: 00142730183601
       Coding: 0000258
       Shop #: WSC 00000 000 00000
       VCID: 41898C0818E4454DFA-8014
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 46: Central Conv.        Labels:. 3C0-959-433-46.clb
       Part No SW: 3C0 959 433 AQ    HW: 3C0 959 433 AQ
       Component:    KSG PQ46 ELV 044 0612  
       Revision: 00044000    Serial number: VWZCZ000000000
       Coding: 0091020851030E763004941570084B0E703C01
       Shop #: WSC 05311 000 00000
       VCID: 79F924E830B4DD8DF2-802C
    
       Subsystem 1 - Part No: 1K8 951 605 
       Component: LIN BACKUP HORN H10 9003
    
       Subsystem 2 - Component:       NGS n.mounted     
    
       Subsystem 3 - Component:      IRUE n.mounted     
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 52: Door Elect, Pass.        Labels:. 1K0-959-702-MIN3.clb
       Part No SW: 1K0 959 702 AR    HW: 1K0 959 792 N
       Component: J387  TUER-SG BT    1501  
       Revision: 72009005    Serial number: 00000893099012
       Coding: 0000052
       Shop #: WSC 05311 000 00000
       VCID: 7F0DCAF02E90F3BDCC-802A
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 53: Parking Brake        Labels: 5N0-907-801.clb
       Part No SW: 3C8 907 801 E    HW: 3C8 907 801 E
       Component: J540 EPB3  VW-15417 0007  
       Revision:   010       Serial number: 00000000053892
       Coding: 0000056
       Shop #: WSC 05311 000 00000
       VCID: 2C57CDBC8F66B82539-8078
    
    No fault code found.
    
    -------------------------------------------------------------------------------
    Address 56: Radio (J503)       Labels:. 5M0-035-1xx-56.clb
       Part No SW: 1K0 035 186 AA    HW: 1K0 035 186 AA
       Component: Radio RCD310  016 0049  
       Revision: 00000000    Serial number: VWZ1Z2K8081499
       Coding: 0500040004
       Shop #: WSC 01324 020 00200
       VCID: 65C178986C0C496D26-8030
    
    1 Fault Found:
    00871 - Bass Speaker Front Right (R23) 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 5
                        Fault Frequency: 1
                        Reset counter: 158
                        Mileage: 614880 km
                        Time Indication: 0
                        Date: 2012.07.08
                        Time: 17:18:45
    
    
    -------------------------------------------------------------------------------
    Address 77: Telephone (J738)       Labels:. 1K8-035-730.clb
       Part No SW: 1K8 035 730 C    HW: 000 000 000 00
       Component: Telefon       H00 6600  
       Revision: 00000000    Serial number: 000000AA000000
       Coding: 003420
       Shop #: WSC 00000 000 00000
       VCID: 295934A84094AD0DC2-807C
    
    1 Fault Found:
    01524 - Antenna for Telephone 
                011 - Open Circuit
                 Freeze Frame:
                        Fault Status: 01101011
                        Fault Priority: 3
                        Fault Frequency: 1
                        Reset counter: 158
                        Mileage: 614880 km
                        Time Indication: 0
                        Date: 2012.07.08
                        Time: 17:18:38
    
    
    End-------------------------(Elapsed Time: 01:35)------------------------
    Last edited by Uwe; 02-15-2018 at 02:06 PM. Reason: CODE tags

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  13. #10
    NostraJackAss Jack@European_Parts's Avatar
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    Well I'll tell you........... I'd be concerned with that glow fault & since it is a load device.
    European Parts Emporium/Performance / Immobilizer Solutions EPE
    Certified Master Trained NY/BAR/BAD 7076062/ASE/SAE/NASTF Legal Factory Authorized/Licensed GeKo/FaZit # 403738
    Specializing in Custom Services IE: "welding-fabrication" / EPA-SMOG Update or Pass-Thru-Programming / Data Transfer / Immobilizers & OEM Quality Parts
    Above Magic!
    www.FixMyEuro.com <<<<<CLICK HERE! or vwemporium@aol.com ( JPPSG & Unverified members need not PM me & Please don't email for free tech support...use the forum )
    Getting you CONTROL again of your property - TAKE IT! In Conjunction with.........

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