2019 Cadillac CTS Engine cooling Problems
- Complaints
- 1about this part
- Share
- 10%of 10 total for the year
- Median mileage
- 74,990miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine cooling of the 2019 Cadillac CTS, 10% of the 10 complaints for this model year. Where a mileage was given, the median is 74,990 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“The contact owns a 2019 Cadillac CTS. The contact stated that while driving at 40 MPH, the check engine warning light illuminated. The vehicle was taken to an Auto Parts Store and was diagnosed with catalytic converter failure. The contact stated that upon cleaning the catalytic converter and driving for 50 miles, the warning light turned off. The vehicle was not repaired. The dealer and the manufacturer were not notified of the failure. The failure mileage was approximately 74,990.”
NHTSA complaint #11695874, filed 2025-10, 74,990 milesRelated service bulletins
- 10252125Mar 21, 2024This service bulletin advises the technician of possible coolant entering the areas of the engine, either through failed parts or defects in the castings, that may be the cause…
- 10251890Mar 13, 2024This technical bulletin advises of a new fuel injection cleaner kit used for decarbonizing the intake valves to correct conditions of rough idle, Crank no start, extended crank…
- 10250775Feb 22, 2024This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large…
- 10250579Feb 15, 2024This informational bulletin explains to the tech on where to look for a possible concern with the rockers causing the MIL to illuminate.
- 10250505Feb 7, 2024This service bulletin provides information on the cold start control system in DI engines to reduce cold start emissions and improve fuel economy.
- 10250503Feb 7, 2024This bulletin provides information on Engine Concerns that could result from lack of scheduled maintenance, improper service or aftermarket calibrations.
- 10250347Feb 2, 2024This Warranty Admin service bulletin provides guidelines for Dealers Not Required and for Dealers Required to Contact the PQC for engine or transmission assembly replacement and…
- 10249579Jan 12, 2024This PI bulletin advises the technician on the proper way to install the pistons in an engine.
- 10249037Jan 11, 2024This informational bulletin advises the tech to validate if oil is leaking into the cooling system and to test and verify were to leak is coming from before replacing all the…
- 10248705Dec 22, 2023This service bulletin provides a service procedure to correct a condition of a Ticking Noise from the Engine.
Engine cooling: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2019 | 1 | 10% |
| 2015 | 1 | 2% |
| 2014 | 1 | 1% |
| 2011 | 2 | 2% |
| 2010 | 2 | 3% |
| 2009 | 1 | 1% |
| 2008 | 7 | 4% |
| 2007 | 8 | 4% |
| 2006 | 9 | 3% |
| 2005 | 14 | 5% |
| 2004 | 12 | 5% |
| 2003 | 38 | 12% |
Other parts of the 2019 Cadillac CTS
3 complaintsTransmission and drivetrain
3 complaintsEngine
2 complaintsBack-over prevention (rear camera)
1 complaintsElectrical system
1 complaintsFuel system
1 complaintsSeats
1 complaintsSteering
1 complaintsSuspension
1 complaintsWheels
1 complaints
← All problems reported for the 2019 Cadillac CTS
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology