2004 Cadillac CTS problems & reliability
224 owner complaints filed with NHTSA for the 2004 Cadillac CTS, alongside 6 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
21 complaints report injuries (25 injured).
Federal crash records (FARS 2020–2023): 2004 Cadillac CTS vehicles were involved in 27 fatal crashes with 21 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Power Train | 52 | 23% |
| Electrical System | 34 | 15% |
| Air Bags | 26 | 12% |
| Service Brakes | 21 | 9% |
| Structure | 17 | 8% |
| Service Brakes, Hydraulic | 16 | 7% |
| Suspension | 16 | 7% |
| Steering | 14 | 6% |
| Engine and Engine Cooling | 12 | 5% |
| Vehicle Speed Control | 11 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Common symptoms owners describe
Keyword analysis of complaint narratives; one complaint can describe several symptoms.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 53,376 miles (middle 50% between 20,013 and 90,000 miles), based on 166 complaints that included mileage.
Complaints by incident year
What owners report
“The output shaft flange for the transmission that mounts to the driveshaft coupler the flange starts to break away and then breaks . I can provide photos but the metal on the part is close the the end and if I did not find this problem by mistake the drive shaft would have came free”
Power Train · filed Sep 25, 2024
“I am writing regarding a recent incident regarding the left front control arm of our 2004 CTS Cadillac. There was a recall for the lower control arm ball nut/washer attaching the control arm, which could lead to disengagement of the control arm, disengagement of the wheel and tire, and possible crash. We purchased the…”
Suspension · filed Sep 2, 2024
“Recent incident regarding the left front control arm of our 2004 CTS Cadillac. There was a recall for the lower control arm ball nut/washer attaching the control arm, which could lead to disengagement of the control arm, disengagement of the wheel and tire, and possible crash. We purchased the car in 2015. The…”
Wheels · filed Jul 15, 2024
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- REAR DRIVETRAIN COMPONENT FAILURE
Engineering Analysis EA07017 · opened Dec 7, 2007 · closed Jul 16, 2008
- FAILURE OF THE REAR DIFFERENTIAL
Preliminary Evaluation PE07037 · opened Jul 17, 2007 · closed Dec 27, 2007 · led to recall 07V589000
Technical service bulletins
566 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2004 Cadillac CTS. The 10 most recent:
This PI communicates the requirement to provide a pico file to receive diagnostic assistance from TAC.
PIP5601C · Service Bulletin/Repair Instructions · issued Jul 18, 2025
This Preliminary Information communication provides information to the technician about vehicles that have a Service Engine Soon Malfunction Indicator Lamp on. Technician will find Diagnostic Trouble Code P2097 or…
PIP4964F · Service Bulletin/Repair Instructions · issued May 29, 2025
This service bulletin provides information for dealers/technicians on OnStar Module 2G Sunset Information.
23-NA-001 · Service Bulletin/Repair Instructions · issued Mar 28, 2025
This Preliminary Information communication provides information to the technician about vehicles that have an unusual noise and is difficult to identify, isolate or pinpoint. Technician should get record a sound clip or…
PIP5358D · Service Bulletin/Repair Instructions · issued Feb 20, 2025
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8…
PIP4723J · Service Bulletin/Repair Instructions · issued Oct 25, 2024
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician…
PIT5099H · Service Bulletin/Repair Instructions · issued Sep 12, 2024
This Preliminary Information communication provides information to the technician about vehicles that the Heater-Vent-Air Conditioning blows warm air. Before calling General Motors Technical Assistance Center technician…
PIT5099H · Service Bulletin/Repair Instructions · issued Sep 12, 2024
This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles. General Motors will only support a tire calibration for tires that have been sized…
PIT3271P · Service Bulletin/Repair Instructions · issued Sep 6, 2024
Vehicle Wide Programming (VWP) is a new process to update software on GM Vehicles. It provides the ability via a single selection within Techline Connect to first identify which modules need updating and then proceed to…
General Communication · Service Campaign · issued Aug 26, 2024
GM is receiving damaged (cracked or broken) transmission cores returned to the reman facilities. The damage is being caused either in the removal process by the technician, or inadequate packaging or shipping. This…
24-NA-141 · Service Bulletin/Repair Instructions · issued Jul 24, 2024
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2004 Cadillac CTS has 6 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2004 Cadillac CTS?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 53,376 miles — budget accordingly if the car is approaching that mileage.