2023 Chevrolet Silverado 2500HD: Engine complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 8 owner complaints for the 2023 Chevrolet Silverado 2500HD that list the engine component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11753138 (filed 07/27/2026): “The contact owns a 2023 chevrolet silverado 2500. the contact stated that while driving at various speeds, the transmission was slipping. additionally, the contact stated that while driving 60-70 mph, the vehicle stalled. no warning light was illuminated. the contact pulled over to the side of the r…”
- NHTSA complaint ODI #11736161 (filed 05/06/2026): “Truck will not release the key consistently upon shutting down the truck. the interlock will not allow it to turn fully off and pull out despite being placed in park.…”
- NHTSA complaint ODI #11724985 (filed 03/17/2026): “Gm should be ashamed of themselves not covering the shift to park issue that they have created. this is a known issue and should be recalled. it is impacting thousands of consumers.…”
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.
Typical parts (search links, no affiliate codes)
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