1999 Gmc Gmc problems, complaints & recalls
Most-reported problem areas: Service Brakes, Hydraulic:antilock/Traction Control/Electronic Limited Slip (3) · Equipment:appliance:air Conditioner (2) · Vehicle Speed Control:accelerator Pedal (1)
🧭 Reliability snapshot
Compared against other Gmc Gmc model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (17)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Steering:hydraulic Power Assist:pump 2009-08-01 · SB-06-02-32-013B · Service Bulletin/Repair Instructions
saab/hummer/gm: diagnostic tips/recommendations when power steering pump replacement is necessary. analysis of returned power steering (ps) pumps that had been replaced for noise, no power assist, no or low pressure and leaking conditions has indicated a high number of no trouble found results.
Electrical System 2007-06-01 · 020603008 · Service Bulletin/Repair Instructions
low voltage display on ip gauge, lights dim at stop lights, battery discharged, no start, slow cranking, dim lights at idle, low generator output. nlm *ar includes 1990-2008 passenger cars and light duty trucks including saturn. updated 07-24-07. *kb updated 11/29/07. *nj
Vehicle Speed Control:accelerator Pedal 2003-02-18 · 021803 · Service Bulletin/Repair Instructions
increased accelerator pedal effort from the idle position on 1999 through 2002 full-size trucks and utilities equipped with gen 3 4.8 liter and 5.3 liter v-8 engine. *tt
Power Train:automatic Transmission 2002-03-01 · 010730023B · Service Bulletin/Repair Instructions
some customers may comment on a harsh 1-2 upshift and the check engine light or service engine soon indicator is illuminated and diagnostic trouble code p1870 set. *tt
Engine And Engine Cooling:engine:gasoline 2001-12-04 · 041201 · Service Bulletin/Repair Instructions
information on customers reporting intermittent stall or no start condition. *tt
Power Train:automatic Transmission 2001-11-01 · 010730023A · Service Bulletin/Repair Instructions
information regarding harsh 1-2 upshift, service engine soon, malfunction indicator lamp, or cel illuminated, diagnostic trouble code p1870 set. (1996-2000 chevrolet and gmc light duty truck models) *yh
Showing the 6 most recent of 17 bulletins. Search all of them free at nhtsa.gov.
What owners report
No detailed complaint narratives on file.
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.