U0101 on CHEVROLET IMPALA
What U0101 Means on Your CHEVROLET IMPALA
Real CHEVROLET IMPALA Owner Reports (Source: NHTSA Complaints Database)
"I have about 08/1825 had the throttle body replaced on my vehicle which assisted with the problem temporarily. Then the problem started again 09/20/25 the car act like it’s stalling while driving and can’t see what hear the vehicle is in."
"Power steering stability trak doors locking making clicking sound all this shows up on dash and the car feels like it is accelerating and then jerks slows down and a big sound putting it into gear and a code that says U0101"
"I have taken it in on several occasions and been told there is no active code. My transmission control module constantly looses communication. Through my research I have found numerous accounts of this part failing and GM not repairing it, nor issuing a safety recall."
Data from NHTSA Vehicle Complaints Database. All reports are filed by vehicle owners directly with the U.S. Department of Transportation.
Common Causes of U0101 on CHEVROLET IMPALA
Percentages based on NHTSA complaint component analysis for this vehicle.
Complaint Trend by Year
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if your vehicle is covered.
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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.
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3
Compare repair quotes
Get 2-3 quotes. Dealer vs independent shop prices often differ 30-50% for the same repair.