Gmc S-t-series 1999
Complaint Information: Service Bulletins, OBD II Codes
NHTSA Mandated Recalls
Bulletins
Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.
- 000604003B - ENGINE AND ENGINE COOLING:ENGINE: Rough idle after start, and/or a service engine soon (ses) light. Various models including the 1995 chevrolet and gmc s/t models. *tt
- 010605006 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM: Subject regarding exhaust system rumble / rattle noise. *jg
- 010730023 - POWER TRAIN:AUTOMATIC TRANSMISSION: Some owners with vehicles built before january 15,1999 may comment on a harsh 1-2 upshift and may also have a check engine light. *et
- 010730012 - POWER TRAIN:AUTOMATIC TRANSMISSION: Information pertaining to the new control valve body, spacer plate and gaskets for the 4l60-e automatic transmission. *tt
- 99066C - FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS: Some vehicles may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s). *tt
- 000730022B - POWER TRAIN:AXLE ASSEMBLY: A no reverse, no second gear, or no fourth gear condition. *tt updated *eh
- 99066C - VEHICLE SPEED CONTROL:CRUISE CONTROL: Some owners of 1996 - 1999 s/t, m/l, c/k, g, p and w4 trucks may experience a service engine soon light, misfire, rough idle or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s).
- 99066C - VEHICLE SPEED CONTROL:CRUISE CONTROL: Some owners of 1996 - 1998 model year s/t, m/l, c/k, g, p and w4 trucks, that are registered in california, equipped with 4.3l, 5.0l or 5.7l engine, and california emissions, may experience a service engine soon light, misfire, rough idle o