2020 Chevrolet Malibu: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 58 owner complaints for the 2020 Chevrolet Malibu that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11762898 (filed 09/08/2026): “The vehicle's transmission shifter mechanism has failed for a second time, preventing the vehicle's computer from communicating with the gear shifter. when shifting the physical gear lever forward into the "park" position and attempting to shut off the engine, a warning message reading "action requi…”
- NHTSA complaint ODI #11752681 (filed 07/24/2026): “The contact owns a 2020 chevrolet malibu. the contact stated that while attempting to shift the vehicle into park, the transmission failed to shift into park after several attempts. the contact referenced tsb: 19-na-206; as a possible cause for the failure; however, the vin was not included in the t…”
- NHTSA complaint ODI #11749433 (filed 07/09/2026): “While attempting to enter a high-speed expressway, the transmission malfunctioned, preventing normal acceleration. the vehicle could only accelerate very slowly but managed to maintain a limited speed, creating a hazardous situation while trying to merge into fast-moving traffic. i was able to navig…”
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 .