NHTSA Complaint #11677390 — 2021 GMC SIERRA 1500
FUEL/PROPULSION SYSTEM issue reported to NHTSA
Complaint Details
| ODI Number | 11677390 |
| Vehicle | 2021 GMC SIERRA 1500 |
| Component | FUEL/PROPULSION SYSTEM |
| Date of Incident | |
| Date Filed | |
| Mileage | N/A miles |
| Crash | No |
| Fire | No |
| Injuries | 0 |
| Deaths | 0 |
| Vehicle Towed | No |
| State | TX |
Consumer Description
Fuel tank leaking.
Related Complaints for the 2021 GMC SIERRA 1500
Other FUEL/PROPULSION SYSTEM Complaints
#11712819
On the afternoon of 01/20/26, I was merging onto the highway in my 2021 GMC Sierra 1500 when a loud bang was heard fr...
#11706659
Transmission valvebody failure, causing rapid, repeated rear wheel lock ups. Videos can be provided. These happen alm...
#11699295
I am an active U.S. Air Force member. My 2021 GMC Sierra 1500 failed GM Recall N252494003 on Sept 29, 2025 (L87 engin...
#11698609
I was driving on the freeway and my gmc Sierra at4 received a notification that I could could no longer accelerate. I...
#11676162
I own a 2021 GMC Denali with a 6.2L V8 L87 engine and 45,500 miles. I have confirmed the presence of metal shavings i...
Recent Complaints for the 2021 GMC SIERRA 1500
#11719556
BACK OVER PREVENTION: REARVIEW SYSTEM BRAKING
I was driving on a highway on my way home from work. Thank god there was not a lot of traffic because my truck just s...
#11719556
ENGINE
I was driving on a highway on my way home from work. Thank god there was not a lot of traffic because my truck just s...
#11719556
POWER TRAIN
I was driving on a highway on my way home from work. Thank god there was not a lot of traffic because my truck just s...
#11719314
ENGINE AND ENGINE COOLING
The contact owns a 2021 GMC Sierra 1500. The contact stated that while operating the vehicle, the check engine warnin...
#11718970
ENGINE
The failed component is the engine coolant control valve on a 3.0L Duramax truck. The failure has been documented and...