The side detection modules in my 2015 impala have gone bad for the second time in less than 2 years. They were replaced in february of 2019. This was mostly covered through a special "recall" to repair and prevent a reoccurrence of the failure. Now, in december on 2020, I am experiencing the exact same condition. They did not repair the modules to prevent the same condition from arising again.…
2015 Chevrolet Impala electrical problems
moderate 88 complaints filed with NHTSA · avg repair $850 · see electrical across all vehicles →
When does it fail?
Of the 88 electrical complaints filed for the 2015 Chevrolet Impala, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Owners have filed 88 electrical complaints with NHTSA against this vehicle, but no formal recall covers the issue — the federal record reflects what manufacturers have admitted, not everything owners are reporting.
Electrical accounts for 30% of all owner complaints filed against this vehicle, across 12 categories tracked.
What owners are reporting 6 most recent
Side detection system is not working properly. Is also causing car to turn off at lights and one time even started to smoke. S old it was covered under warranty but when I took it to the dealership they said it wasn't. Once I was able to confirm that it was under warranty it wasn't anymore because I had exceeded the miles. This is a safety hazard and is common among people who own this year and…
2015 Chevy impala side blind zone left side alert failed to work, and according to my Chevrolet service shop it was the cause of the engine not starting, the engine killing after starting remotely, and the cause of mass communication failure alerts with and between the vehicle's other safety and non safety electrical components. None of the cars dash gages worked for about 1 minute after the mass…
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.
The collision warning system activates while driving, electrical failures cause components to not work and flicker of turn signals in passenger mirror .
Trunk automatically pops open while driving down the highway/road, while parked, and when initially starting and won't properly close due to the latch recycling constantly when it pops open. Purchased vehicle in oct 2015 and reported to the dealership withing the first couple days. It has been in to have repaired on 3 separate occasions with the same issue reoccurring. Extremely unsafe!
Common questions
How serious is the electrical problem on the 2015 Chevrolet Impala?
It's a documented issue but not catastrophic. 88 complaints have been filed. Repairs average $850 and most owners catch it before it causes a breakdown.
At what mileage does the electrical typically fail?
Across the 57 complaints that reported odometer mileage, most electrical failures cluster between 40,000 and 85,900 miles, with the median around 60,000. A quarter of owners report trouble before 40,000; a quarter make it past 85,900. Maintenance history matters more than the odometer alone — this is the reported failure window, not a guarantee.
What does it cost to fix?
Independent shops typically charge around $850 for electrical repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to electrical?
No active recalls currently cover electrical issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.