1999 GMC S SERIES TSBs (21)

Bulletin:
866503A
Component:
061000 engine and engine cooling:engine
Summary:
Subject regarding obd ii diagnostic trouble code (dtc) p1404 (reflash vcm). *yc
Bulletin:
990844002
Component:
353400 equipment:electrical:radio/tape deck/cd etc.
Summary:
Some customers may comment that the cd changer will not release when depressing the eject button. *tt
Bulletin:
990235001
Component:
011000 steering:wheel and handle bar
Summary:
Customers may comment about a squeak noise coming from the steering column while turning the steering wheel. *tt
Bulletin:
990730013
Component:
980000 unknown or other
Summary:
Some customers may comment about the service engine soon light illuminating. *tt
Bulletin:
990850014
Component:
221600 seats:front assembly:power adjust
Summary:
Concerns with driver / passenger seat adjuster switch bezel at seat will not stay fastened. *tt
Bulletin:
990850019
Component:
221600 seats:front assembly:power adjust
Summary:
Concerns that the driver or passenger front power seat forward and rearward function is inoperative. *tt
Bulletin:
990601020
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Vehicles may exhibit a knocking or grinding noise with the engine running. *tt
Bulletin:
990601020
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some customers may comment about a knocking or grinding noise with the engine running. *tt
Bulletin:
000604003
Component:
185000 vehicle speed control:cruise control
Summary:
Some customers may comment on rough idle after start up, and / or a service engine soon (ses) light illuminated. *tt
Bulletin:
990940004
Component:
220000 seats
Summary:
General motors began providing child restrain seat top tether hardware packages to customers in the united states who requested them. *tt
Bulletin:
99066B
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may experience a service engine soon light, misfire, rough idle or hard start. **mr
Bulletin:
000604014
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some customers may comment on hard, no, or slow start, backfire or kickback during crank / start, grinding or unusual noises during crank, diagnostic trouble code p0338. *tt
Bulletin:
000851001
Component:
135200 visibility:rearview mirrors/devices:exterior
Summary:
Some customers may comment that the black plastic housing around the outside rear view mirror turns chalky or is dull in color. *tt
Bulletin:
866503
Component:
063000 engine and engine cooling:exhaust system
Summary:
Some vehicles may set a false obd ii with diagnostic trouble code p1404. *tt
Bulletin:
00148
Component:
980000 unknown or other
Summary:
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). the deposit build-up may cause injector poppets to stick closed. *tt
Bulletin:
010863001
Component:
162810 structure:body:hood:hinge and attachments
Summary:
Subject on hood hinge rattle coming from either or both front corners of the instrument panel near the hood hinge areas for 1995 - 2002 pickup and utility models. *et
Bulletin:
010601030
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may comment on higher than expected engine oil consumption, and having to add oil between oil changes. *tt
Bulletin:
000604003A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some customers may comment on rough idle after start up, especially after setting overnight. *tt
Bulletin:
99066D
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may experience a service engine soon light, misfire, rough idle orhard start due to a deposit build-up on the sequential central port fuel inujector (scpi) poppet valve(s). *tt
Bulletin:
000601023A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Information used when diagnosing noise conditions such as engine rattle noise, spark knock at 2000 - 2500 rpm range, under a moderate to heavy load with a warmed up engine. *tt
Bulletin:
010601030A
Component:
061100 engine and engine cooling:engine:gasoline
Summary:
Some owners may comment on higher than expected engine oil consumption. *tt

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