U0121 on CHEVROLET MALIBU
What U0121 Means on Your CHEVROLET MALIBU
Real CHEVROLET MALIBU Owner Reports (Source: NHTSA Complaints Database)
"Steering wheel jerking while in park and while driving to the point you had to put a lot of strength into keep car in lane, service esc: power steering warning light chimes and comes on while driving, steering wheel locks up while trying to pull over on the side of the road."
"I was stopped at a stop sign to turn and when i accelerated a quick flash of the service ecm message came on and then disappeared, but the car stalled out in the middle of the intersection. when i tried to restart the car, it would turnover, run for 2 seconds and then die."
"I was sitting at a red light, with my foot firmly on the brake."
"Code u0121 lost connection with electronic brake control module. when coming to a stop, the vehicle stalls and the rpm's drop. jerky acceleration. while driving at speed, vehicle stutters an acceleration."
"Hendrick chevrolet norfolk virginia dealer service found gm history code dtc u0121 for this failure."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of U0121 on CHEVROLET MALIBU
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
-
1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
-
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50-$150) pinpoints the root cause before you spend money on parts.
-
3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.