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What 29 owners told NHTSA about the 2015 Cadillac ATS V-series

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (29)Crash / fire / injury (1)Electrical system (6)Steering (6)Transmission & drivetrain (5)Lights (4)Brakes (3)Fuel system (3)Airbags (2)Suspension (2)Tires (2)Engine (1)

6 of 29 complaints match · Electrical system · clear filters

Feb 6, 2026SteeringElectrical system

I bought my car from a dealership. Owned it for 2yrs 2mo. 107k miles First issue came up after 3-4 months. Faulty power steering. Took it to service at a dealership they said I would need my wire harness assembly replaced as well as a steering gear. Problem still persists. Also one of the mechanics there showed me that the previous owner glued harness connector components together which is why I started seeing issues that weren't there before. Now today three new warning/service lights: abs, brake warning and traction control lights. I think it is the battery but I haven't tested it. Someone online with the same issue said he had to replace the electronic brake control module. So this issue has not been diagnosed. As a result of the traction control malfunctioning suddenly I spun out on the highway in slippery conditions but did not collide with anything. Both issues are available for inspection. More information can be found on the quote in the attatchment.

NHTSA ODI 11716084

Jun 13, 2024Electrical systemSpeed controlFuel system

The CUE SYSTEM not totally working, and panel plastic is all spider web looking. I view this as a very bad problem( it won’t go to settings), no radio, can’t set the clock Not sure on all the problems as I can’t get to it to find out.

NHTSA ODI 11594208

Jun 30, 2023Electrical systemLights

The cue system screen has become unresponsive due to separation of the glue the system is pretty much the heart of the car everything electrical is controlled thre that screen along with the back up camera

NHTSA ODI 11529854

Mar 4, 2021Electrical system

ON FEBRUARY 22ND 2021 THE CAR HAD TO BE TOWED TO A AUTO REPAIR SHOP. IT WAS DETERMINED THAT THE WIRING WAS WET AND THE ENTIRE WIRING HAD COMPLETELY BURNED OUT. I HAVE HAD NUMEROUS REPAIRS DONE ON THIS VEHICLE FROM THE TIME I PURCHASED IT TO THE PRESENT DATE.

NHTSA ODI 11399147

Jan 4, 2019SteeringElectrical system

I WAS BACKING OUT OF MY PARKING SPACE WHEN I HEARD A NOISE AND REALIZED THAT I COULD NOT TURN THE STEERING WHEEL. I MOVES THE CAR FORWARD INTO THE PARKING SPACE AGAIN AND A MESSAGE ON THE DISPLAY SCREEN READ TO SERVICE POWER STEERING. UPON MY RESEARCH THE ELECTRICAL MODULE OR MOTOR HAS BEEN KNOW TO STOP WORKING. I WAS NOT DRIVING AND I THANK GOD FOR THAT BECAUSE THE STEERING WHEEL WOULD HAVE BEEN IMPOSSIBLE TO TURN. RESEARCHING THE PROBLEM I NOTICED THAT THE 2013 CADILLAC ATS HAD MAJOR PROBLEMS WITH THE ELECTRICAL STEERING. THE NHTSA SHOULD LOOK INTO THIS PROBLEM. MY CAR IS THREE YEARS OLD AND SHOULD NOT HAVE A PROBLEM WITH THE STEERING SYSTEM. THESE ELECTRICAL POWER STEERING SYSTEMS CAN CAUSE DEATH BECAUSE OF THE HIGH DIFFICULTY TO STEER IF ON THE ROAD. STEERING IS NEARLY IMPOSSIBLE.

NHTSA ODI 11165776

Nov 8, 2016Fuel systemElectrical system

A1 INCOMING EMAIL: LETTER FROM CONSUMER RE THE SAFETY OF 2015 ATS CADILLAC. *SMD THE CONSUMER STATED WHILE DRIVING 70 MPH ON THE FREEWAY, THE FUEL GAUGE COMPLETELY SHUT DOWN. TWO MONTHS LATER, THE FRONT DASH COMPUTER QUE READER SHUT DOWN COMPLETELY. *JB

NHTSA ODI 10924728

Working with the data? Download all 29 complaints as CSV · fetched from NHTSA July 27, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2015 Cadillac ATS V-series verdict →