2015 Chevrolet Silverado 2500HD: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 31 owner complaints for the 2015 Chevrolet Silverado 2500HD that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11713449 (filed 01/26/2026): “The contact owns a 2015 chevrolet silverado 2500. the contact stated that while driving approximately 50 mph, the vehicle started to vibrate and shudder abnormally. there was no warning illuminated. the contact continued driving at approximately 30 mph. the contact had not taken the vehicle to a loc…”
- NHTSA complaint ODI #11710097 (filed 01/10/2026): “My pickup truck has a duramax diesel engine with a cp4 diesel injection pump. that pump has not failed yet in my truck. however it has been known to fail in numerous other gm vehicles with duramax engines and when it does fail the engine comes to a complete stop and cannot be restarted. this is a po…”
- NHTSA complaint ODI #11700072 (filed 11/18/2025): “In november around the 20th -battery went dead-charged battery and took vehicle to brothers and started to shift funny-battery went dead again-charged and drove home -then went got new battery -put in and it would not shift right so drove it a little while to see if it would stop made noise and take…”
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
Diagnosis needs a scan tool; repair or replacement needs a lift, transmission jack and the manufacturer's fluid fill/relearn procedure. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
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