# 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: 10157668
- Published by NHTSA: 2019\-04\-08
- Manufacturer's number: V971201 2031104
- Manufacturer's date: 2012\-10\-09
- NHTSA component: EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM

## 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-10157668-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2012/MC-10157668-9999.pdf)

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

## Components

Electrical system, Equipment and accessories

## Vehicles listed

- 2003 VOLKSWAGEN TOUAREG
- 2004 VOLKSWAGEN TOUAREG

## Recalls for the same vehicles and component

- [2003177](/recalls/tc/2003177.md), 2003-07-29: Electrical
- [03V266000](/recalls/nhtsa/03V266000.md), 2003-07-25: ELECTRICAL SYSTEM:WIRING

## Other bulletins for the same vehicles and component

- [TT971402](/bulletins/10252942.md), 2024-04-08, Service bulletin: EQUIPMENT:ELECTRICAL. Damage to Data Link Connector \(DLC\) from Aftermarket Devices \(Cannot Communicate with Vehicle OBD System\)
- [Edition60](/bulletins/10243034.md), 2023-10-02, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VW Elsa Newsletter
- [Edition86](/bulletins/10243011.md), 2023-10-02, Service bulletin: ELECTRICAL SYSTEM; VISIBILITY:WINDSHIELD WIPER/WASHER; EXTERIOR LIGHTING:HEADLIGHTS. VW Elsa Newsletter
- [Edition115](/bulletins/10242996.md), 2023-10-02, Service bulletin: STRUCTURE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE \(TCM/PCM/TECM\); ELECTRICAL SYSTEM; VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; ENGINE AND ENGINE COOLING. VW Elsa Newsletter
- [Edition26](/bulletins/10242399.md), 2023-09-18, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT; FUEL SYSTEM, GASOLINE; STRUCTURE. VW Elsa Newsletter
- [Edition63](/bulletins/10242375.md), 2023-09-18, Service bulletin: STEERING:COLUMN; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ENGINE. VW Elsa Newsletter
- [Edition60](/bulletins/10242372.md), 2023-09-18, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI; VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. VW Elsa Newsletter
- [Edition86](/bulletins/10242349.md), 2023-09-18, Service bulletin: EXTERIOR LIGHTING; EQUIPMENT; ELECTRICAL SYSTEM; VISIBILITY:WINDSHIELD WIPER/WASHER. VW Elsa Newsletter
- [PDITECHCHECK2](/bulletins/10241721.md), 2023-09-05, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Perfect Delivery Inspection \(PDI\) \- Technician and Detailer Inspections
- [PDITECHCHECK1](/bulletins/10241720.md), 2023-09-05, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Perfect Delivery Inspection \(PDI\) \- Technician and Detailer Inspections

JSON: [/v1/bulletins/10157668](/v1/bulletins/10157668)

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