1996 GMC M Series

Service bulletins

Technical service bulletins and other communications the manufacturer sent dealers about this vehicle. Ask a dealer for the full document by its number.

• 10246631Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10232287This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 6091427Some 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.
• 6089206Special policy adjustment covering the sequential central port fuel injector (scpi) failure condition.
• 628938Information 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.
• 628925Some 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).
• 628905Some customers may comment on rough idle after start up, especially after setting overnight.
• 616390Service 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.
• 613602Some owners may experience a service engine soon light, misfire, rough idle or hard start. **Mr
• 612133Some 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).
• 609762Some vehicles that are registered in california, equipped with a 4.3L, 5.0L or 5.7L engine and california emissions, may experience a service engine soon light, misfire, rough idle or hard start.
• 609703A boom noise inside the vehicle while driving at speeds ranging between 97 - 105 km/h (60 - 65 mph). This bulletin IS revised and replaced bulletin 00-03-09-001 dated 01/01/2000. Updated
• 609696Some customers may comment on rough idle after start up, and / or a service engine soon (ses) light illuminated.
• 609641Park/neutral position switch connector cannot be removed. Yd
• 609582Rough idle after start, when vehicle has sat overnight and poppets sticking.
• 607576Some customers may comment on no a/c.
• 603249Some customers may comment about contacting the safety belt guide cover upon exiting the vehicle.
• 601901Subject on accessory drive belt noise due to power steering pump pulley misalignment.
• 601878Special policy for safety belt guide cover.
• 601414Technicians may experience difficulty in removing the connectors from the park/neutral position switch, usually when trying to remove the switch during transmission service.
• 52584Automatic transmission 1-2 and/or 2-3 upshift slip/flare, no 3RD or 4TH gear, dtc p1870, launch shudder (revise vcm wiring).
• 51502Transmission fluid leak from pump body/replace bushing.
• 51354Transmission fluid leak from pump body (replace bushing).

Every GMC M Series model year

Bars are owner complaints, dots mark years with recalls. Select a year to open its report.