2015 Chevrolet Impala lane departure problems
42 owner complaints filed with NHTSA name the lane departure on the 2015 Chevrolet Impala — 14% of all complaints for this model year.
What owners report
“Side Blind Zone Alert (SZBA) system continues to be an issue with this vehicle. Sensing module(s) on inner left or right side of bumper cover fail due to water intrusion. When sensing module fails, "Service Side Detection System" message will appear on driver information center on instrument…”
filed Apr 16, 2025
“GM has a know issue with the side detection system and refuses to do anything about it even after there service bulletin expired. When this fail it can cause other issues with the dashboard system failure and more. In this case the system would never shutdown draining the battery.”
filed Dec 16, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Lane Departure problems in other Impala years
| Year | Reports | Share |
|---|---|---|
| 2019 Impala | 2 | 7% |
| 2016 Impala | 4 | 4% |
| 2014 Impala | 40 | 6% |
Other reported problem areas on the 2015 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.