AI DamageGMC S Series: problems, complaints, bulletins
Summary for the GMC S Series across 3 model years: 112 owner complaints and 0 NHTSA service bulletins, plus repair videos. Pick a year for details.
Model years
What fails most often
- 1 Equipment 97% of all complaints
- 2 Air bags 2% of all complaints
- 3 Electrical system 1% of all complaints
- 4 Exterior lighting 1% of all complaints
- 5 Service brakes 1% of all complaints
- Equipment: 109 complaints (97% of all), 2 of them with a crash reported by the owner.
- Air bags: 2 complaints (2% of all), 1 of them with a crash reported by the owner.
- Electrical system: 1 complaints (1% of all).
- Exterior lighting: 1 complaints (1% of all).
- Service brakes: 1 complaints (1% of all).
Symptoms owners describe
How many of the 112 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Equipment | 109 | 2 | 0 |
| Air bags | 2 | 1 | 0 |
| Electrical system | 1 | 0 | 0 |
| Exterior lighting | 1 | 0 | 0 |
| Service brakes | 1 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
My chest hit the steering wheel and my neck was jerked forward and no airbag. Not sure if something is wrong woth the sensor or what. Also be advised the fatality in this incident was the cow annoyed down below.
As I'm driving in my car the normal/regular headlights on the GMC Sierra were so bright that I could not see the road in front of me. I could include the Subaru lineup and the Toyota Rav4 in this. I have not seen such bright lights other than when others have had their high-beams on. Please do something. Thank you.
Took the truck to get a diagnostic check due to the truck in driveway would not go into reverse so husband put it in drive to pull up a little to see if it would help to then go into reverse, instead, the truck jerked so hard & almost threw my husband & son into the garage door that morning.
I take the broken negative ground (plastic) piece with the instructions on how to fix it to the dealer because they have never heard of this before, and so they would have a clue, only to find out that there was yet another recall on my truck for the back window blowing into the cab, which then in turn, turned up…
2015 gmc yukon denali rear tail lights fail due to defected parts. Gmc will not replace the failed parts which is a know safety issue. Numerous complaints online with the gmc yukon 2015-2019 models.
While driving home about 10 pm on idaho 200 the abs light came on, about 1 minute later the hand brake light came on and started to brake the car, after a few seconds the light went of and the car started to accelerate, few seconds later the brake light came back on and the car started to brake then let off.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
What to check before buying
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Exterior lighting. Headlamps, leveling, sensors and mounts after a frontal hit.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other models of this make
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-05.