Illustration@ 97,000 MILES, GETTING CYLINDER #4 MISS FIRE CODES, REPLACED ALL PLUGS AND AFFECTED COILS PACKS. NOW MOTOR IS MAKING A TICKING SOUND FORM LIFTERS. DEALER SAID IT NEEDS NEW ENGINE DUE TO THE AFM SYSTEM PROBLEMS.
2012 GMC Yukon Denali
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2012 GMC Yukon Denali do not stand out strongly from the model-year median of 32.
About this comparison →How this year compares
Owner complaints by model year
Compare all Yukon Denali years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
00–25K
425–50K
1150–75K
475–100K
4100–150K
0150K+
23 reports with mileage · 5 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Air Bags. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Structure. Review the 8 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
Engine complaints
2 reportsTL* THE CONTACT OWNS A 2012 GMC YUKON DENALI. WHILE ATTEMPTING TO ACCELERATE FROM A STOP, THE VEHICLE BEGAN TO HESITATE AND LOSE POWER, BUT THE ENGINE CONTINUED TO REV. THE FAILURE OCCURRED RANDOMLY WITHOUT WARNING. THE VEHICLE WAS AT THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WA…
Read full complaint
TL* THE CONTACT OWNS A 2012 GMC YUKON DENALI. WHILE ATTEMPTING TO ACCELERATE FROM A STOP, THE VEHICLE BEGAN TO HESITATE AND LOSE POWER, BUT THE ENGINE CONTINUED TO REV. THE FAILURE OCCURRED RANDOMLY WITHOUT WARNING. THE VEHICLE WAS AT THE DEALER FOR DIAGNOSTIC TESTING. THE MANUFACTURER WAS NOT NOTIFIED OF THE FAILURE. THE VIN WAS UNKNOWN. THE FAILURE MILEAGE WAS APPROXIMATELY 33,000. UPDATED 05/11/16*LJ *TR
Official recalls
0No recalls in this snapshot.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.