2019 Cadillac XT4 problems & reliability
20 owner complaints filed with NHTSA for the 2019 Cadillac XT4, alongside 3 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.
Federal crash records (FARS 2020–2023): 2019 Cadillac XT4 vehicles were involved in 15 fatal crashes with 7 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 |
|---|---|---|
| Engine → | 10 | 50% |
| Power Train | 6 | 30% |
| Exterior Lighting | 4 | 20% |
| Electrical System | 3 | 15% |
| Unknown OR Other | 3 | 15% |
| Fuel/propulsion System | 2 | 10% |
| Service Brakes | 1 | 5% |
| Suspension | 1 | 5% |
| Vehicle Speed Control | 1 | 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.
Complaints by incident year
What owners report
“I took my suv in for diagnostics to a certified GM dealership at least twice while still under warranty. The check engine light was on, the car was behaving abnormally as well as making unusual concerning noises. The dealership sent me away saying no codes showed up and they couldn’t find a problem.The light would…”
Engine · filed Jul 3, 2026
“Recently went to my local Sewell dealership for my routine oil change. With an oil change they do a complimentary multipoint inspection. During the inspection they noticed that my camshaft carrier was leaking and needed to be resealed. The resealing of the camshaft carrier would be around $4,000. I don’t have that…”
Unknown OR Other · filed May 20, 2026
“I took my car is for service at the Cadillac dealership and they stated there was an oil leak from the camshaft carrier. When I asked more questions they stated it was a fairly common problem with the XT4 and a few other models where there was a faulty seal at the "T-joint" (cam carrier T-joint). My car is no longer…”
Engine · filed Mar 18, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
828 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2019 Cadillac XT4. The 10 most recent:
PI to help diagnose A/C concern
PIT5099J · Service Bulletin/Repair Instructions · issued Jul 21, 2026
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIT3271Q · Service Bulletin/Repair Instructions · issued Apr 1, 2026
This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
PIT5992B · Service Bulletin/Repair Instructions · issued Mar 27, 2026
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP6104 · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902V · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC'ss
PIT6425D · Service Bulletin/Repair Instructions · issued Mar 2, 2026
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
PIP5841H · Service Bulletin/Repair Instructions · issued Feb 4, 2026
This Preliminary information communicates to the field on how to diagnosis a GPS issue with the Telematic module with no DTC's
PIT6425C · Service Bulletin/Repair Instructions · issued Jan 16, 2026
This Preliminary information communicates the potential for condensation to freeze up inside the Crankcase Pressure Sensor causing dtc P04FB to set.
PIP5841G · Service Bulletin/Repair Instructions · issued Jan 10, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902U · Service Bulletin/Repair Instructions · issued Jan 8, 2026
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 2019 Cadillac XT4 has 3 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 2019 Cadillac XT4?
- · 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.