Problems · NHTSA complaints
2011 Cadillac DTS problems
Owners filed 16 complaints about the 2011 Cadillac DTS with NHTSA between Sep 2012 and Sep 2026. The most-cited component is electrical system (6).
Complaints
16
Filed with NHTSA
Crashes
4
Reported by owners
Fires
0
Reported by owners
Injuries
6
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Electrical system6
- Engine5
- Air bags3
- Fuel/propulsion system2
- Steering2
- Seat belts1
- Latches/locks/linkages1
- Structure1
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.
Data from NHTSA Complaints API · synced Nov 8, 2026NHTSA vehicle page
When complaints were filed
Does it get worse with age? Complaints per calendar year filed
1
0
7
2
1
0
1
1
0
1
0
0
0
0
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2012 | 1 |
| 2013 | 0 |
| 2014 | 7 |
| 2015 | 2 |
| 2016 | 1 |
| 2017 | 0 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 0 |
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 2 |
Mileage at failure isn’t a structured field in NHTSA complaint data, so we don’t chart it. Some owners mention it in their reports below.
Top problems in owners’ words
Verbatim from NHTSA complaints, newest first
Electrical system
6 reports2 related recalls
“Car power shut off while driving on the highway to church and almost got in an accident. Pulled to the side and smelled smoke. Lifted the back seat and opened the fuse box and looked. Lifted the fuel pump fuse and it was burnt. Me and my family got stuck on the side of the highway instead of church and spending time on a holiday.”
Engine
5 reports1 crash
“TL* THE CONTACT OWNS A 2011 CADILLAC DTS. THE CONTACT STATED THAT THEY NOTICED A LEAK UNDERNEATH THE FRONT OF THE VEHICLE. THE CONTACT TOOK THE VEHICLE TO RIZZA CADILLAC BUICK GMC (8425 159TH ST, TINLEY PARK, IL 60487; (708) 429-6600) AND WAS INFORMED THAT THE VEHICLE WAS LEAKING OIL FROM THE ENGINE. THE CONTACT WAS INFORMED THAT THE FRONT AND REAR MAIN SEALS NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 112,000.”
Air bags
3 reports3 crashes
“Airbags did not deploy in a rear end crash. Seat belts may have failed as well. Car is located at an offsite strorage facility for insurance purposes. I suffered head trauma and a concussion. Bruising on my torse from what I believe was from the seatbelt. Car is totaled and no inspection has been done by a service center. Insurance will be doing a valuation of the value only. No warning lights or messges were visible prior to the accident.”
Fuel/propulsion system
2 reports
“CHECK ENGINE LIGHT KEEPS COMING ON AFTER A CHECK AND RESET. THE CAR HAS A LOST OF POWER AND RUNS REAL SLOW THAN ITS LIKE THE PROBLEM NEVER EXISTED. THIS IS THE CODE I KEEP GETTING. P0420 CODE BAD CATALYTIC CONVERTER”
Steering
2 reports
“STEERING COLUMN IS LOCKED IN THE MOST HIGHEST POSITION. IT CAN NOT BE ADJUSTED TO ANY OTHER POSITION. *TR”
Seat belts
1 report1 crash
Data from NHTSA Complaints API (owner reports, unverified) · synced Nov 8, 2026
Complaints are unverified owner reports to NHTSA and are not normalized for sales volume. One complaint can cite several components.