2015 Cadillac CTS problems and complaints

Owners have filed 50 complaints with NHTSA about the 2015 Cadillac CTS. The most-reported areas: Power Train (20), Service Brakes (9), Unknown Or Other (8).

Key takeaways

  • 50 owner complaints on file with NHTSA.
  • 2 involve a crash, 2 a fire, 0 reported injuries.
  • Complaints are unverified owner reports; recalls are confirmed defects.
Complaints by component
ComponentComplaintsShare
Power Train2040%
Service Brakes918%
Unknown Or Other816%
Suspension510%
Electrical System510%
Steering48%
Engine48%
Vehicle Speed Control48%
Wheels36%
Equipment24%
Air Bags12%
Hydraulic12%

One complaint can name several components, so shares add up to more than 100%.

Parts for the 2015 Cadillac CTS

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NHTSA 5-Star crash ratings
VersionOverallFrontSideRollover
2015 Cadillac CTS 4 DR RWD5/55/55/55/5
2015 Cadillac CTS 4 DR AWD5/55/55/55/5

Latest complaints, as filed

Owner-written and unverified by NHTSA.

Service Brakes - filed 2026-10-20

Component Affected: SERVICE BRAKES Description of Safety Defect & Incidents: Experienced a recurring, systemic mechanical failure within its camshaft-driven brake vacuum assist system, creating an imminent crash hazard on public roadways. On two separate occasions while traveling at operational roadway speeds trying to...

Power Train,air Bags - filed 2026-10-06

The contact owns a 2015 Cadillac CTS. The contact stated that while driving, the air bag warning light and the check engine warning light illuminated, and the message "Service Vehicle Soon" was displayed. Additionally, the rear end of the vehicle made an abnormal roaring sound. The vehicle was taken to the dealer, wher...

Steering,unknown Or Other - filed 2026-08-28

Dash board message power steering service message hard to steer traction assist light is on.

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More for the 2015 Cadillac CTS

Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.