1999 GMC P 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.

• 10248444Vehicle Recalls
• 10246631Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
• 10232287This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
• 10190934Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.
• 10190933Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form of corrosion. This corrosion may be red in appearance (rust) if the component is steel, forged iron or cast iron. This corrosion may also be grey or white in color if the component is constructed of an aluminum alloy.
• 10190932Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility Outside Company later in this bulletin.
• 10190931Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's coatings, using recommended procedures, is allowed. Evaluating Damage In evaluating damage, it is the GM Dealer's responsibility to inspect the wheel for corrosion, scrapes, gouges, etc. The Dealer must insure that such damage is not deeper than what can be sanded or polished off. The wheel must be inspected for cracks. If cracks are found, discard the wheel. Any wheels with bent rim flanges must not be repaired or refinished. Wheels that have been refinished by an outside company must be returned to the same vehicle. The Dealer must record the wheel ID stamp or the cast date on the wheel in order to assure this requirement. Refer to Refinisher's Responsibility Outside Company later in this bulletin.
• 1009273200064H - special coverage (revised part information). Some customers may experience a failure of the electronic diesel fuel injection pump. This special policy applies only to electronic diesel-fuel injection pump repairs and/or replacement as a result of injection pump failure. This special coverage does not cover: glow plugs, turbocharger wear, low compression engines or pcm/pcm wiring conditions.
• 10082506This technical bulletin provides a procedure to reprogram the media disc player with the latest calibrations to correct a condition of the rear entertainment system not operating as intended in colder ambient temperature areas due to calibration concerns.
• 10001298Rough idle after start, and/or a service engine soon (ses) light. Various models including the 1995 chevrolet and GMC s/t models.
• 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.
• 629423Some customers may experience a failure of the electronic diesel fuel injection pump.
• 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).
• 628910Special policy adjustment for vehicles experiencing a failure of the electronic diesel fuel injection pump, leading to complaints of poor performance of fuel economy, hard/ no starts, hesitation, as well as illumination of the service engine soon light.
• 628905Some customers may comment on rough idle after start up, especially after setting overnight.
• 619742This technical service bulletin states that technicians may experience difficulty in removing the connectors from the park / neutral position switch, usually when trying to remove the switch during transmission service.
• 619002Some 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).
• 617636Some 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).
• 617575Some 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 or hard start due to a deposit build-up on the sequential central port fuel injector (scpi) poppet valve(s).
• 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.
• 616378Experiencing an engine ticking sound coming from the engine compartment while the vehicles IS being driven.
• 615078Some vehicles may set a false obd II with diagnostic trouble code p1404.
• 613602Some owners may experience a service engine soon light, misfire, rough idle or hard start. **Mr
• 609709Subject regarding a hard, no start or excessive gray or white smoke condition on start up after recent glow plug replacement.
• 609696Some customers may comment on rough idle after start up, and / or a service engine soon (ses) light illuminated.
• 603825Subject regarding obd II diagnostic trouble code (dtc) p1404 (reflash vcm).
• 602824Comments of an extended engine cranking time during a hot restart in high ambient temperatures of 38 c (100 f).

Every GMC P Series model year

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