Problems · NHTSA complaints
2008 Cadillac DTS problems
Owners filed 86 complaints about the 2008 Cadillac DTS with NHTSA between Jan 2008 and Aug 2024. The most-cited component is electrical system (39).
Complaints
86
Filed with NHTSA
Crashes
6
Reported by owners
Fires
6
Reported by owners
Injuries
7
People reported injured
Deaths
0
Reported to NHTSA
Complaints by component
One complaint can cite several components
- Electrical system39
- Engine14
- Fuel/propulsion system8
- Exterior lighting7
- Air bags6
- Seat belts6
- Steering5
- Structure5
- Electronic stability control (esc)3
- Service brakes3
- Fuel system, gasoline3
- Engine and engine cooling2
- Visibility/wiper2
- Power train2
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
6
2
4
4
1
6
22
6
4
6
4
8
7
1
2
1
2
View as table
| Model year | Complaints filed per calendar year |
|---|---|
| 2008 | 6 |
| 2009 | 2 |
| 2010 | 4 |
| 2011 | 4 |
| 2012 | 1 |
| 2013 | 6 |
| 2014 | 22 |
| 2015 | 6 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 8 |
| 2020 | 7 |
| 2021 | 1 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 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
39 reports1 crash4 fires3 related recalls
“The contact owns a 2008 Cadillac DTS. The contact stated while driving at an undisclosed speed, the message "Alternator Not Charging" was displayed. The vehicle was taken to an independent mechanic where it was diagnosed that oil was leaking onto the alternator and exhaust manifold. The alternator was replaced. However, the contact stated while driving at various speeds, there was a significant amount of smoke coming from underneath the vehicle. There was no warning lights illuminated. Additionally, the contact noticed a trail of oil leak in the driveway. The dealer and the manufacturer were not notified of the failure. The vehicle was not repaired. The failure mileage was approximately 87,000.”
Engine
14 reports1 fire
“The contact owns a 2008 Cadillac DTS. The contact stated that while the vehicle was at an independent mechanic for an oil change, the vehicle was diagnosed with an oil leak from the oil pan. The contact was informed that the oil pan needed to be replaced. The vehicle was not repaired. The manufacturer was made aware of the failure but provided no assistance. The failure mileage was approximately 85,000. The VIN was unavailable.”
Fuel/propulsion system
8 reports2 fires
“DECEMBER 16 2020 NHTSA ID NUMBER 11383838 OIL LEAK UNDER ENGINE COMING FROM ENGINE, TRANSMISSION, AND POWER STEERING PUMP. ALSO WHITE SMOKE COMING FROM ENGINE ON PASSENGER SIDE FOLLOWING STOP ON DRIVEWAY.”
Exterior lighting
7 reports1 fire
“TL* THE CONTACT OWNS A 2008 CADILLAC DTS. WHILE INSPECTING THE VEHICLE, THE CONTACT NOTICED THAT THE HEADLIGHTS WERE PROJECTING TOO MUCH HEAT AND CAUSED THE PLASTIC COVERS TO BURN AND MELT FROM THE INSIDE. THE VEHICLE WAS TAKEN TO RILEY CHEVROLET BUICK GMC (2033 CHRISTY DR, JEFFERSON CITY, MO 65101, (573) 298-6142) WHERE THE CONTACT WAS INFORMED THAT THE FAILURE WAS COSMETIC. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 105,000.”
Air bags
6 reports4 crashes
“TL* THE CONTACT OWNS A 2008 CADILLAC DTS. WHILE DRIVING 30 MPH, A DEER CRASHED INTO THE FRONT PASSENGER SIDE OF THE VEHICLE. THE AIR BAGS FAILED TO DEPLOY. THERE WERE NO INJURIES. THE VEHICLE WAS TAKEN TO A PRIVATE MECHANIC WHERE IT WAS DIAGNOSED THAT THE COMPUTER MODULE NEEDED TO BE REPLACED. THE VEHICLE WAS REPAIRED AND THE MANUFACTURER WAS NOT NOTIFIED. THE CONTACT RECEIVED A RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 14V355000 (ELECTRICAL SYSTEM); HOWEVER, THE PART NEEDED TO REPAIR THE VEHICLE WAS UNAVAILABLE. THE FAILURE MILEAGE WAS 90,000.”
Seat belts
6 reports1 crash
“TL* THE CONTACT OWNS A 2008 CADILLAC DTS. THE CONTACT STATED THAT THE REAR DRIVER AND PASSENGER SIDE SEAT BELTS FAILED TO PROPERLY FIT ACROSS THE CHEST AREA AND WENT ACROSS THE NECK AREA. THE CONTACT STATED THAT THE SHOULDER ANCHOR WAS ADJUSTED TO THE LOWER LEVEL BUT THE SEAT BELT CONTINUED TO LIE ACROSS THE NECK AREA. THE CONTACT WAS CONCERNED THAT IN THE EVENT OF A CRASH, THE SEAT BELT WOULD CAUSE FATAL INJURIES. ALSO, THE CONTACT STATED THAT HER NECK WAS BLISTERED DUE TO THE FAILURE BUT MEDICAL ATTENTION WAS NOT REQUIRED. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE AND RECOMMENDED THE CONTACT TO PURCHASE SEAT BELT PADS. THE FAILURE MILEAGE WAS 50,000.”
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.