2003 Gmc Gmc Truck problems, complaints & recalls
Most-reported problem areas: Power Train:automatic Transmission (4) · Tires:tread/Belt (2) · Vehicle Speed Control (1)
🧭 Reliability snapshot
Compared against other Gmc Gmc Truck 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 (21)
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.
Structure:frame And Members 2012-04-01 · PIT-3749D · Service Bulletin/Repair Instructions
gm: on some truck models there is some frame corrosion. *rm updated on 5/2/2012. *kb
Seats:front Assembly:head Restraint 2011-11-01 · SB-10-08-50-003B · Service Bulletin/Repair Instructions
general motors: information provided by bulletin for all 2012 and prior general motor trucks and passenger vehicles regarding the adjustable comfort and custom upholstery of the driver and the passenger head restraint. *pe
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.
Tires 2003-06-30 · 063003 · Service Bulletin/Repair Instructions
replacement of factory-equipped tires with lt rated tires. full-size 1500 series utility trucks. *tt
Interior Lighting 2003-05-07 · 050703 · Service Bulletin/Repair Instructions
new tech line software available to reduce indicator bulb illumination by 65% due to reports that the instrument cluster highbeam indicator is too bright. 2003 chevrolet, gmc and cadillac full-size pick-up and utility trucks. *tt
Engine And Engine Cooling:cooling System:fan 2003-03-27 · 032703 · Service Bulletin/Repair Instructions
engine fan rubbing noise during turns, more commonly found on left turns on 2003 st pick-ups and class style utilities. *tt *jb
Showing the 6 most recent of 21 bulletins. Search all of them free at nhtsa.gov.
What owners report
2011-01-19 · Service Brakes, Hydraulic · 70,000 mi“brake lines, transmission lines and engine coolant lines all failing on 2003 gmc 2500 hd sierra as well as on 2004 chevy silverado hd 3500. these problems have caused numerous amounts of time to repair and replace, and today there was a catastrophic brake failure on the 2003 hd gmc which almost resulted in a deadly accident. these lines should…”
2011-01-01 · Fuel System, Other · 82,000 mi“i have a 2003 gmc sierra 4wd truck and the speedometer cluster is bad. i see that thousands of other people have the same problem. the speedometer register erratically and sometimes stays on 0 mph while driving down the highway. i here the fuel gauge is next to go bad. these two problems together on a busy highway can and will cause accidents where…”
2010-01-08 · Electrical System · 85,000 mi“speedometer failure in 2003 gmc sierra, i feel that this type of failure should be considered a saftey defect and be covered by the gm corp. i have been fighting with the corp for the past three months to cover this it was a defective stepper motor in all the instrument clusters and the part number was xc5-168 the new part number is x25-168 why was…”
2007-12-05 · Power Train:transfer Case (4-Wheel Drive) · 114,200 mi“transfer case has holes in it & fluid leaked out. *tr…”
2007-10-23 · Power Train:automatic Transmission · 85,000 mi“i purchased a 2003 gmc sonoma for my son, in july of 2003 and we have had nothing but problems with it. we were told yesterday we need a new transmission and was quoted a price from $1,500.00-$2,500.00. we are going to pay it because we still are paying a payment on it and cannot afford to get another vehicle. my question is isn't general motors…”
2007-09-08 · Electrical System: Instrument Cluster/Panel“speedometer fails to work. *tr…”
2007-06-11 · Steering:rack And Pinion · 12,000 mi“tl*the contact owns a 2003 gmc truck. the contact heard a clicking noise coming from the left side of the vehicle. the sound is similar to that of a shock that has failed. the failure occurred one year after the vehicle was purchased. the rack and pinion has been replaced five times. the bearings and shocks have also been replaced. over one y…”
2006-12-29 · Equipment“my 2003 gmc sierra 2500hd just started having speedometer problems. all of a sudden i was driving down a country road traveling about 45 mph but my speedometer said i was going 90 mph. then it all of a sudden went to 120 mph and eventually it pegged out completely. when i turn my engine off all of the other gages go off but the speedometer stays at…”
2006-11-28 · Power Train:automatic Transmission · 33,000 mi“03 gmc sierra got used in aug 06 with 31000 miles now has 36000 miles and transmission has clunk between 2 &3 gears from all the research i have done it seems this is happening to lots of people i will bring this to gm`s attention because it still under gmc certified warranty but i don`t think it will get me anywhere please help. *nm…”
2006-09-13 · Tires:tread/Belt · 24,000 mi“firestone steeltex radial tires lt245-75-r16 isn't anybody listening to all of us regarding these tires? i have just spent hrs. reading complaints and i know we have never been contacted except through firestone (of course they want to stop what ever complaints continue) a trip to firestone dealership ended with blame on the truck. i have a c…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.