2020 Chevrolet Corvette: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 6 owner complaints for the 2020 Chevrolet Corvette that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11742799 (filed 06/08/2026): “My left rear axel/rear differential/ control arm snapped with normal driving and breaking. it is available for inspection. this mechanical failure made me loose control of my vehicle on the busy freeway and threw me across a lane into the freeway center divider. nearly caused a pile up accident an…”
- NHTSA complaint ODI #11737257 (filed 05/12/2026): “The dual clutch transmission on my 2020 c8 corvette has a diagnostic code of p1955. this was determined after the service light on the vehicle illuminated and it was taken to service at the dealership. other codes that stored included p0868 and p0869 which indicate low hydraulic pressure and high …”
- NHTSA complaint ODI #11643898 (filed 02/20/2025): “I replaced the battery in my c8 corvette after three years of ownership. upon removing the plastic cover from the frunk to access the battery, i discovered the two front strut mounts. to my dismay, i noticed excessive corrosion on both strut mounts, with the left side near an ac compressor line bein…”
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.
Typical parts (search links, no affiliate codes)
AutoZone · O'Reilly · Advance · RockAuto