BUICK, CHEVROLET, GMC, OLDSMOBILE
030421006
Manufacturer communications
- Publication date
- 2003-08-01
- Received by NHTSA
- 2003-12-04
- NHTSA record numbers
- 10004367
Manufacturer summary
Original wording in English
SERVICE 4WD LIGHT ON, 4WD INOPERATIVE, HARSH ENGAGEMENT OF 4WD, NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE (TCCM), TCCM DIAGNOSTIC TROUBLE CODE (DTC) C0550 SET. *TT
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Buick | RAINIER | 2004 |
| Chevrolet | TRAILBLAZER | 2004 |
| GMC | ENVOY | 2004 |
| Oldsmobile | BRAVADA | 2004 |