2012 Chevrolet Silverado 1500: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 31 owner complaints for the 2012 Chevrolet Silverado 1500 that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11733013 (filed 04/22/2026): “The contact owns a 2012 chevrolet silverado 1500. the contact stated that while driving at an undisclosed speed and stopping at a stop light, the accelerator pedal was depressed, and the accelerator pedal became stuck, and the engine unexpectedly revved to 5,000 rpm. the contact stated that the acce…”
- NHTSA complaint ODI #11651523 (filed 03/29/2025): “I have a severe engine stall at slight acceleration it feels like the tires are going to lock up or break something in the drive train dealer says my complaint is normal…”
- NHTSA complaint ODI #11608641 (filed 08/15/2024): “Engine power reduced warning keeps coming on. as well as stabilitrak and traction control turns off. code p2138 pops up. i’ve spent over $1,000 trying to get this fixed because it is unsafe to drive it like that. it will be fixed for 1 or 2 weeks and then it’s time to take it to the shop again. so m…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Pro
Internal engine work (lifters, oil consumption, fuel dilution diagnosis) requires engine teardown or dealer software/tests. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
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