T5 caravelle / Transporter Cuts out in Reverse

   #1  

Dirkvanzyl

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Good day All new to this platform.

I have a T5 Caravelle/Transporter, 2005 2.5 TDI Manual 6 Speed i think its the 125kw
I am the second owner and know the first, no history of any electrical problems.

A couple of weeks ago it started randomly cut out when you select revers.

Other than that i do not have any problems.

So here is the process
1) Neutral Selected.
2) Start Car
3) Car Idles
4) Select revers
5) Engine stops "No Jerk so dont think its stalling" Car can not be idling and it will do the same
6) All lights on the cluster goes off except for the time and km (Trying to add picture but not sure why i cant)
7) HEX-USB+CAN Can not connect anymore.
8) Switch off ignition dont have to remove key. Start car again.

Usally car starts without problem if revers is selected before starting.

I am no motor mechanic i know my way around but no expert.
Sparky by trade.

If there is someone that can look at the allarms below and give me an idea what they think. And if possible a wireing diagram?
At this point i think its the reverse switch but need to confirm a bit better before blindly swapping stuff.

O and i have cleared the Faults and re-tested every time after it happens so i dont belive any of the allarms is non relavent.

Thanks in advance

Code:
Tuesday,23,April,2024,21:03:49:26748
VCDS -- Windows Based VAG/VAS Emulator Running on Windows 10 x64
VCDS Version: 23.11.0.0 (x64)
Data version: 20240322 DS351.0
www.Ross-Tech.com


VIN: WV2ZZZ7HZ5H083746   License Plate:
Mileage: 212430km-131997mi   Repair Order:



--------------------------------------------------------------------------------
--------------------------------------------------------------------------------


Chassis Type: 7H (7H - VW Transporter/Multivan (2003 > 2010))
Scan: 01 02 03 08 09 0B 0D 15 16 17 18 19 1C 22 2D 37 45 46 47 56
          57 6E 76 77 78 7D
 
VIN: WV2ZZZ7HZ5H083746   Mileage: 212430km-131997miles
-------------------------------------------------------------------------------
Address 01: Engine        Labels: 070-906-016-AXE.clb
   Part No SW: 070 906 016 BH    HW: 028 101 183 8
   Component: R5 2,5L EDC G000SG  7002 
   Revision: 12345678    Serial number: VWZ7Z0E1550716
   Coding: 0051072
   Shop #: WSC 02756 785 00200
   VCID: 57BB32A7E5651829D2-5120
   VINID: 9E60AAAAA1D8A856002031C418EF2BB630

1 Fault Found:
18049 - Please check DTC Memory of A/C Controller
            P1641 - 000 -  - Intermittent
             Freeze Frame:
                    RPM: 0 /min
                    Torque: 224.5 Nm
                    Speed: 0.0 km/h
                    Load: 0.0 %
                    Voltage: 12.16 V
                    Bin. Bits: 00101100
                    Temperature: 27.9°C
                    (no units): 144.0

Readiness: 0 0 X X X

-------------------------------------------------------------------------------
Address 03: ABS Brakes        Labels: 7H0-907-37x-ESP-F.lbl
   Part No: 7H0 907 379 L
   Component: ESP FRONT MK25      0203 
   Coding: 0006187
   Shop #: WSC 02771 785 00200
   VCID: 3E7587036A1FC961F1-5102

4 Faults Found:
00668 - Supply Voltage Terminal 30
            002 - Lower Limit Exceeded - Intermittent
00778 - Steering Angle Sensor (G85)
            004 - No Signal/Communication - Intermittent
01317 - Control Module in Instrument Cluster (J285)
            004 - No Signal/Communication - Intermittent
01314 - Engine Control Module
            004 - No Signal/Communication - Intermittent

-------------------------------------------------------------------------------
Address 08: Auto HVAC        Labels: 7Hx-907-040.clb
   Part No: 7H2 907 040 B
   Component: CLIMAtronic T5    X 3817 
   Coding: 0000030
   Shop #: WSC 02757 785 00200
   VCID: 275B4267958568A9A2-50E6

   Subsystem 1 - Part No: 7H5 907 049 D
   Component: Display_2_ClimaT5 X 0307

3 Faults Found:
00819 - High Pressure Sensor (G65)
            009 - Open or Short to Ground
01592 - Air Quality Sensor (G238)
            010 - Open or Short to Plus
01299 - Diagnostic Interface for Data Bus (J533)
            008 - Implausible Signal

-------------------------------------------------------------------------------
Address 09: Cent. Elect.        Labels:. 7H0-937-049.lbl
   Part No: 7H0 937 049 P
   Component: BORDNETZ SGVER 1.0  1901 
   Coding: 0000103
   Shop #: WSC 02756 785 00200
   VCID: 3F8BFA076D15C069FA-5102

2 Faults Found:
01299 - Diagnostic Interface for Data Bus (J533)
            013 - Check DTC Memory
01341 - Control Module in Instrument Panel On Comfort CAN (J285)
            008 - Implausible Signal

-------------------------------------------------------------------------------
Address 15: Airbags        Labels: 6Q0-909-605-VW5.lbl
   Part No: 1C0 909 605 F
   Component: 13 AIRBAG VW61 0R0S 0003 
   Coding: 12595
   Shop #: WSC 02756 
   VCID: 275B4267C58568A9A2-5120

No fault code found.

-------------------------------------------------------------------------------
Address 17: Instruments        Labels: 7Hx-920-xxx-17.lbl
   Part No: 7H5 920 860 E
   Component: KOMBI+WEGFAHRSP VDO V03 
   Coding: 05102
   Shop #: WSC 00046 
   VCID: 326DA333FE471D0105-5102
   WV2ZZZ7HZ5H083746     VWZ7Z0E1550716

No fault code found.

-------------------------------------------------------------------------------
Address 18: Aux. Heat        Labels: 7H0-819-008.clb
   Part No: 7H0 815 071 C
   Component: Standheizung        0207 
   Shop #: WSC 00000 000 00000
   VCID: 2859415B989B67D1AB-5102

3 Faults Found:
01321 - Control Module for Airbags (J234)
            004 - No Signal/Communication - Intermittent
00667 - Ambient Temperature Signal
            008 - Implausible Signal
01126 - Engine Speed Signal
            008 - Implausible Signal

-------------------------------------------------------------------------------
Address 19: CAN Gateway        Labels: 6N0-909-901-19.clb
   Part No: 6N0 909 901
   Component: Gateway K<->CAN    0001 
   Coding: 00006
   Shop #: WSC 02756 
   VCID: 70E9693B30CB6F1133-5120

No fault code found.

-------------------------------------------------------------------------------
Address 45: Inter. Monitor        Labels: 7Hx-951-171.lbl
   Part No: 7H5 951 171 A
   Component: Innenraumueberw.    2814 
   Coding: 0000012
   Shop #: WSC 02737 785 00200
   VCID: 2D57B04FB77942F958-513C

   Subsystem 1 - Part No: 7H0 951 171 A
   Component: Innenraumueberw.    1506

No fault code found.

-------------------------------------------------------------------------------
Address 46: Central Conv.        Labels: 7H0-959-433.lbl
   Part No: 7H0 959 433 B
   Component: C2B Komfortgerát     0004 
   Coding: 00078
   Shop #: WSC 02756 
   VCID: 326DA333FE471D0105-4ACE

   Subsystem 1 - Part No: 7H2959802A
   Component: Tõrsteuer.FS KLO 0203 

   Subsystem 2 - Part No: 7H2959801A
   Component: Tõrsteuer.BF KLO 0203 

No fault code found.

-------------------------------------------------------------------------------
Address 76: Park Assist        Labels: 7E0-919-283.lbl
   Part No: 7E0 919 283
   Component: Parkingsyst. T5 T5M 801 
   Coding: 10127
   Shop #: WSC 02756 
   VCID: 6CD17D4B1CE38BF10F-5102

No fault code found.

End-------------------------(Elapsed Time: 07:00)--------------------------
 
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   #2  

Uwe

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A couple of weeks ago it started randomly cut out when you select revers.
Only reverse? Forward is OK?

Does it die the moment you select the gear, or as you start letting the clutch out to begin moving the vehicle?

-Uwe-
 
   #3  

Dirkvanzyl

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Only reverse? Forward is OK?

Does it die the moment you select the gear, or as you start letting the clutch out to begin moving the vehicle?

-Uwe-
Yes, Sir only in Revers. And immediately when gear is selected. Clutch is not yet released.
 
   #4  

NZDubNurd

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I'd have a serious look at the revesre switch and light wiring as a start. I don't know why it would kill the engine, but perhaps there is a short or current path that drops a voltage too low and kills a module etc?

I'd isolate it in sections. Firstly, I'd probably unplug the switch and see if it still stall when selecting reverse.

It could even be something silly, like the wiring in the dash is disturbed only wihen reverse is selected etc. Stopping the electrical signal for reverse should help determine if it's that circuit, or a physical issue.
 
   #5  

Dirkvanzyl

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I'd have a serious look at the revesre switch and light wiring as a start. I don't know why it would kill the engine, but perhaps there is a short or current path that drops a voltage too low and kills a module etc?

I'd isolate it in sections. Firstly, I'd probably unplug the switch and see if it still stall when selecting reverse.

It could even be something silly, like the wiring in the dash is disturbed only wihen reverse is selected etc. Stopping the electrical signal for reverse should help determine if it's that circuit, or a physical issue.
Thanks for the suggestion I will try and look at it over the weekend.

Any possibility that someone has a wiring diagram or can tell me the easiest way to get to the revers switch?
 
   #7  

Dirkvanzyl

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Thanks I will have a look and give feedback with my findings.
 
   #8  

Powernut

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Unplug reverse switch usely wireing shorts .as it runs from bcm green green and black wires
 
   #9  

Dirkvanzyl

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thanks, will give feedback as soon as I have a gap. unfortunately working the weekend so will not get to it this weekend.
 
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