2003 Chevrolet Impala power train problems
30 owner complaints filed with NHTSA name the power train on the 2003 Chevrolet Impala — 4% of all complaints for this model year.
What owners report
“Abs/traction control.when abs and traction control lights come on makes grinding noise /brakes grab has become dangerous to have on the road. Only have 125,950 miles has been causing problems for last 5,000 miles. Took to shop mechanic.could not identify problem. Can not turn traction control off/…”
filed Dec 7, 2019
“Turn signals work intermittently for 6 years. Transmission makes squeak upon starting from dead stop after changing fluid and filter for 2nd time. Abs went out 6 years ago.”
filed Oct 25, 2019
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
Power Train problems in other Impala years
| Year | Reports | Share |
|---|---|---|
| 2019 Impala | 5 | 18% |
| 2018 Impala | 11 | 19% |
| 2017 Impala | 12 | 10% |
| 2016 Impala | 16 | 15% |
| 2015 Impala | 16 | 5% |
| 2014 Impala | 37 | 6% |
| 2013 Impala | 33 | 12% |
| 2012 Impala | 27 | 10% |
| 2011 Impala | 64 | 13% |
| 2010 Impala | 67 | 15% |
| 2009 Impala | 68 | 8% |
| 2008 Impala | 91 | 11% |
Other reported problem areas on the 2003 Chevrolet Impala
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.