2021 Chevrolet Traverse: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 16 owner complaints for the 2021 Chevrolet Traverse that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11770889 (filed 10/13/2026): “When i accelerate at a stoplight the car shuddered and slammed into gear then it shop the rpms up to 8000 and back down i was barely able to make it home and when i arrived at home i tried to park and it would not go into reverse tostraighten my vehicle. i had it towed to a shop the next morning an…”
- NHTSA complaint ODI #11762657 (filed 09/08/2026): “I went in for service at chey 112 in medford, ny they advised me that my computer needed to be replaced they replaced the computer and i started having transmission issues.…”
- NHTSA complaint ODI #11758560 (filed 08/21/2026): “Transmission shutters at lower gear going from 20-30 mph approximately and at the speed of 60-70 mph. when this happens it causes a delay in acceleration and for the whole car to shake. this was also noted by my mechanic even after changing transmission fluid and had concerns for the safety if it wa…”
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
Sources
Page last updated .