2021 Chevrolet Malibu: Power Train complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 28 owner complaints for the 2021 Chevrolet Malibu that list the power train component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11758483 (filed 08/21/2026): “The contact owns a 2021 chevrolet malibu. the contact stated that while driving 70 mph, the vehicle failed to accelerate as needed; however, the rpm was extremely elevated. the vehicle then lost motive power and went into limp mode, and the vehicle failed to exceed 15 mph. the vehicle was taken to a…”
- NHTSA complaint ODI #11757048 (filed 08/14/2026): “Failure - b000a-00 body control module error code - shift lever position not plausible . safety - this causes the car to upon attempting to turn off the car say "shift into park" on the dashboard and the car refuses to turn fully off. this can cause the battery to drain excessively from repeated co…”
- NHTSA complaint ODI #11749481 (filed 07/10/2026): “Shift to park switch failed.…”
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 .