2005 Cadillac CTS: common problems
Owners of the 2005 Cadillac CTS filed 277 complaints with NHTSA, most often about powertrain and air bags. Details by component below, with sources.
Key figures
- Owner complaints
- 277
- involving a crash
- 25
What fails most often
- 1 Powertrain 30% of all complaints
- 2 Air bags 27% of all complaints
- 3 Electrical system 14% of all complaints
- 4 Service brakes 12% of all complaints
- 5 Engine 9% of all complaints
- 6 Suspension 6% of all complaints
- 7 Steering 5% of all complaints
- 8 Engine and cooling 5% of all complaints
- Powertrain: 82 complaints (30% of all), 2 of them with a crash reported by the owner.
- Air bags: 74 complaints (27% of all), 15 of them with a crash reported by the owner.
- Electrical system: 39 complaints (14% of all), 2 of them with a crash reported by the owner.
- Service brakes: 33 complaints (12% of all), 5 of them with a crash reported by the owner.
- Engine: 24 complaints (9% of all), 2 of them with a crash reported by the owner.
Engines and transmissions
US-market versions per EPA. On the right: how many NHTSA complaints name this engine or transmission type.
- 2.8 L · petrol · 6 cylnamed in 1 complaints
- 3.6 L · petrol · 6 cylnamed in 1 complaints
- 5.7 L · petrol · 8 cyl
- automatic, 5-speed
- manual, 6-speed
Drive: RWD
Symptoms owners describe
How many of the 277 NHTSA complaints mention each symptom (automatic count from complaint text; one complaint can mention several).
Components owners complain about
| Component | Owner complaints | involving a crash | Technical service bulletins (TSB) |
|---|---|---|---|
| Powertrain | 82 | 2 | 0 |
| Air bags | 74 | 15 | 0 |
| Electrical system | 39 | 2 | 0 |
| Service brakes | 33 | 5 | 0 |
| Engine | 24 | 2 | 0 |
| Suspension | 16 | 1 | 0 |
| Steering | 15 | 4 | 0 |
| Engine and cooling | 14 | 0 | 0 |
| Electronic stability control | 10 | 1 | 0 |
| Fuel system | 10 | 2 | 0 |
| Tires | 9 | 0 | 0 |
| Visibility | 8 | 0 | 0 |
| Structure | 7 | 1 | 0 |
| Equipment | 6 | 0 | 0 |
What owners report
Short excerpts of NHTSA complaints in the original wording. These are owner statements not verified by NHTSA; personal data removed.
Oil leaks from unknown location. Also make a grinding noise when accelerating.
The contact stated that no air bags deployed as and the driver's seat belt became unlatched as the driver was ejected through the rear window. The contact stated there were no warning lights illuminated while the failure occurred.
As I was driving down interstate i76, my car lost power and caused me to crash. The front driver side of my car is completely smashed.
The consumer stated the brake failed and essentially she lost control of the vehicle, hit a guardrail and another vehicle after bouncing off the guardrail. Prior to the accident, work was performed on the abs dash light, several times.
Also, the contact stated that the brake pedal depressed to the ground and the service brake assist warning light illuminated. The air bags failed to deploy. The dealer was unable to diagnose the failure but was able to reset the abs system. The manufacturer was not notified of the failure.
The air bags failed to deploy. A police report was filed. The contact sustained an injury to the left shoulder that required medical attention. The vehicle was destroyed. The manufacturer was not notified. The failure mileage was unavailable.
The vehicle began to shake violently and lunged hard to the right (the driver was unable to correct or control). For unknown reasons, the vehicle then accelerated to a high speed and crashed into two trees.
The car steering failed, pulled to the right, couldn't be stopped nor steered and crashed into three trees and finally came to a stop in the intersection of another street. The car wouldn't stop, or turn, etc.
When owners complained
NHTSA complaints by filing year. The peak shows at what age the problems show up most.
Comparison
By complaint count this model year ranks 1,464 of 36,659 model years in the NHTSA data (top 4% most complained about).
On average one model year of the CTS has 131 complaints (17 years in the data). This year has 277, above average.
What to check before buying
- Powertrain. Shift quality under load, harsh shifts, transmission codes, CV joints.
- Air bags. Check the SRS light, stored codes and airbag/curtain status after any impact.
- Electrical system. Scan all modules, test the battery and alternator, inspect connectors near the impact zone.
- Service brakes. Pedal feel, ABS operation, leaks, discs and hoses.
Other years of this model
- CTS 2003313 sources
- CTS 2004224 sources
- CTS 2006269 sources
- CTS 2007217 sources
- CTS 2008175 sources
- CTS 2009168 sources
- CTS 201067 sources
- CTS 2011101 sources
- CTS 201265 sources
- CTS 201373 sources
- CTS 2014146 sources
- CTS 201549 sources
- CTS 20161,161 sources
- CTS 2017968 sources
- CTS 2018719 sources
- CTS 2019675 sources
Questions and answers
What are the most common problems with the 2005 Cadillac CTS?
Owner complaints to NHTSA most often mention: powertrain, air bags, electrical system. Total complaints: 277. The most frequent symptoms in complaint texts: warning lights, check engine (17%), knocking, grinding or other noise (13%), airbag warning light (13%).
How many service bulletins (TSB) were issued for the 2005 Cadillac CTS?
NHTSA lists 0 manufacturer service bulletins for this year. A bulletin tells dealers how to diagnose or fix a known issue; it is not a recall.
Should I buy a 2005 Cadillac CTS from a US auction?
Owner complaints describe defects, not crash damage. Before bidding, check the components listed above and review the lot photos: VinWind builds a report of visible and hidden damage by VIN.
Other 2005 models
Read also
Sources: public NHTSA data (USA): service bulletins and owner complaints; YouTube: links to videos credited to their authors. Complaints are owner statements not verified by NHTSA, and describe defects rather than crash damage. Data updated 2026-11-06.