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Service bulletin GRP24/9504

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id40047
Published by NHTSA1995-11-01
Manufacturer's numberGRP24/9504
Manufacturer's date1995-02-01
Replaces24-95-02
NHTSA componentELECTRICAL SYSTEM:IGNITION:MODULE

NHTSA's summary

CHANGE IN CODING OF ECM WITH THE INTRODUCTION OF THE LATEST MOTOR MANAGEMENT SYSTEM (MMS-311). *TW

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Electrical system, Ignition

Vehicles listed
AUDI 901995
VOLKSWAGEN CABRIO1995

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
96V0170001996-01-29. ELECTRICAL SYSTEM:IGNITION:SWITCH

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TT6414022023-07-31. Service bulletin. To detect which line(s) is inoperative, utilize a volt meter to check for 0 V, which will be present after the open in the grid line. The check must be performed with the engine running and heated rear window switched on. Switch OFF the ignition and visually locate the damage. Proceed with checking any other lines as necessary. Once the damaged line is identified, repair utilizing the Repair kit by Permatex® ITEM 09117.
GRP28/95041996-04-25. Service bulletin. DIAGNOSTICS FOR COMPLAUINTS OF ENGINE MISS/POOR PERFORMANCE. *TW
GRP24/95021995-11-01. Service bulletin. CODING THE ELECTRONIC CONTROL MODULE HAS CHANGED WITH THE INTRODUCTION OF LATEST MTOOR MANAGEMENT SYSTEM (MMS-311). *TW