# Service bulletin V971201 2031104

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10156076
- Published by NHTSA: 2019\-04\-01
- Manufacturer's number: V971201 2031104
- Manufacturer's date: 2012\-10\-09
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM:WIRING

## NHTSA's summary

Technical Bulletin \(Diagnostic Connector \- No ECM Communication\): Some model year 2003 ? 2004 V6 Touareg?s may exhibit a loss of communication through the OBD diagnostic connector. The signal ground wire may be missing from pin 5 of the diagnostic connector. This document informs how to diagnose, and service this issue.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2012/MC-10156076-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10156076-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Equipment and accessories, Wiring and fuses

## Vehicles listed

- 2003 VOLKSWAGEN TOUAREG
- 2004 VOLKSWAGEN TOUAREG

## Recalls for the same vehicles and component

- [03V266000](/recalls/nhtsa/03V266000.md), 2003-07-25: ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [TT661101](/bulletins/10239794.md), 2023-07-31, Service bulletin: ELECTRICAL SYSTEM; TRAILER HITCHES; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:WIRING. After installing the \-J345\- trailer recognition control module \(vehicles with PR code 1D8 only\), wiring harness and plug, the following steps need to be performed in order to enable the system.
- [TT551301](/bulletins/10238974.md), 2023-07-10, Service bulletin: ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH; STRUCTURE:BODY:DOOR:HANDLE:EXTERIOR. If the rear lid handle is replaced with part number 1J0 827 566L, the microswitch from the original handle must be transferred to the new handle. If original microswitch is not available, microswitch part number 1J5 962 104 B should be ordered and installed.
- [TT 55\-13\-01](/bulletins/10125748.md), 2017-12-14, Service bulletin: LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK; ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK. Tech Tips \(Rear Lid Does Not Open After Handle Replacement\): If the rear lid handle is replaced with part number 1J0 827 566L, the microswitch from the original handle must be transferred to the new handle. If original microswitch is not available, microswitch part number 1J5 962 104 B should be ordered and installed.
- [TB\-97\-09\-02](/bulletins/10030370.md), 2009-09-25, Service bulletin: ELECTRICAL SYSTEM:WIRING. VOLKSWAGEN: THE WIRING HARNESS LOCATED ON THE DRIVER'S SIDE FLOOR PAN NEAR THE A PILLAR MAY HAVE A CORRODED SPLICE\(S\) CONNECTION. LOCATE SPLICE TO DETERMINE POSSIBLE CORROSION. REPAIR WIRING AS PER REPAIR MANUAL. \*PE

JSON: [/v1/bulletins/10156076](/v1/bulletins/10156076)

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