2014 Chevrolet Silverado 2500HD: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 24 owner complaints for the 2014 Chevrolet Silverado 2500HD that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11540849 (filed 08/25/2023): “The fuel pump has put metal shaving all through my fuel system and it is available for inspection if anyone is interested in taking a look at it. it made my truck die in the middle of the highway. it put me and a lot of others in danger! autonation chevrolet seen and confirmed and said it was bec…”
- NHTSA complaint ODI #11457851 (filed 03/22/2022): “While i was pulling my trailer up a grade on my 2014 chevy silverado 2500hd diesel truck, the fuel pump had catastrophic failure resulting in total loss of power. i had to unsafely maneuver to the shoulder of the 10 freeway west near cabazon, ca and exit the truck near high speed traffic. i was luck…”
- NHTSA complaint ODI #11282684 (filed 11/27/2019): “I have several dtc codes u029d u029e p0420 p220b on three occasions. these code are triggering a limited speed and possible power reduction. the dealer ship states that gmc protocol is to replace one sensor at a time and let the customer go so they can breakdown again. the part that is failing i a…”
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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