2015 Cadillac CTS Electrical system Problems
- Complaints
- 4about this part
- Share
- 8%of 49 total for the year
- Median mileage
- 40,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the electrical system of the 2015 Cadillac CTS, 8% of the 49 complaints for this model year. Where a mileage was given, the median is 40,000 miles. 1 a fire, according to the filers.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Florida resident, but a spend summer in wyoming. I leave my 2 cars in my florida garage for the summer. Garage is not A/C so it gets hot. This year when I returned, I noticed my Cadillac cue system was not responding when I touched the screen. The cue system controls almost all functions of the car. The cue system would be operational for a few seconds when the car is first started and then it would freeze or lock up. When this happened it would change various functions of the car. …”
NHTSA complaint #11279773, filed 2019-11, 40,000 miles“April 4, 2018 to whom it may concern: this is my recollection at discovering that my Cadillac CTS 2015 got on fire at my friends home in shelby michigan on march 25th, 2018. On march 24th my wife (lourdes robles) and I arrived at our friends home at 48307 red oak in shelby michigan to celebrate our friends birthday. At the party there were approximately 10 couples from whom 5 where still there and witnessed the event. The majority of them work for the auto industry and some are general motors employees, including artemio cortez who is a global business director for GM. …”
NHTSA complaint #11083710, filed 2018-04“The contact owns a 2015 Cadillac CTS. The contact stated that various warning lights illuminated and the vehicle accelerated from 35 to 45 MPH independently. The contact stated that the period of acceleration briefly occurred then the vehicle resumed operating normally. The vehicle was taken to the dealer where it was diagnosed that the fuses failed in the transmission (tcn). The vehicle was repaired. Manufacturer was made aware of the failure. The failure mileage was unknown.”
NHTSA complaint #10734679, filed 2015-07Related service bulletins
- 11017595Apr 3, 2025This service bulletin provides information on the proper Reflective High Temperature Heat and/or Insulating Tape to use for certain repairs, such as Wiring Harness Repairs.
- 11017244Mar 31, 2025The intent of this service bulletin is to identify aftermarket ALDL or DLC interface devices as potential sources for causing multiple customer concerns that do not have other…
- 11017207Mar 21, 2025This service bulletin provides information for dealers/technicians on Service Programming System (SPS) Error Codes E4398, E4399, E4401, E4403, M4404, M4413, M6954, M6955, E4414…
- 11017031Mar 12, 2025This service bulletin provides information to diagnose batteries that have set for a long period of time and/or cold weather climates and testing those batteries.
- 11014230Jan 31, 2025This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold (prepping) to the customer.
- 11013069Jan 9, 2025This bulletin provides information on identifying Non-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- 11012929Jan 7, 2025This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- 11011805Dec 6, 2024This Preliminary information communicates a GM part number for reflective high temperature heat or insulating tape when repairing wiring harnesses.
- 11009170Oct 25, 2024This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.
- 11009156Oct 25, 2024This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester…
Electrical system: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 1 | 10% |
| 2018 | 3 | 38% |
| 2017 | 2 | 7% |
| 2016 | 10 | 32% |
| 2015 | 4 | 8% |
| 2014 | 13 | 9% |
| 2013 | 26 | 36% |
| 2012 | 10 | 15% |
| 2011 | 20 | 20% |
| 2010 | 16 | 24% |
| 2009 | 26 | 16% |
| 2008 | 39 | 22% |
| 2007 | 41 | 19% |
| 2006 | 43 | 16% |
| 2005 | 39 | 14% |
| 2004 | 34 | 15% |
| 2003 | 56 | 18% |
Other parts of the 2015 Cadillac CTS
20 complaintsBrakes
9 complaintsOther or unknown
8 complaintsSuspension
5 complaintsEngine
4 complaintsSteering
4 complaintsVehicle speed control
4 complaintsWheels
3 complaintsEquipment
2 complaintsAir bags
1 complaintsElectronic stability control
1 complaintsEngine cooling
1 complaints
← All problems reported for the 2015 Cadillac CTS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology