Cadillac Xt4 Transmission Problems
8 owner complaints filed with NHTSA across 4 model years.
Complaints by Year
Worst year: 2023. Best year: 2025.
Owner Reports
A representative sample of complaints filed with NHTSA.
Multiple issues: Leaking transmission fluid, multiple issues with on star system, side detection system, lane keep assist. On star issue involves being unable to contact an advisor in the case of an emergency. Apps in car work intermitte...
Transmission fails to automatically shift into 9th gear. A GM bulletin #21-NA-181 indicates this is normal for efficiency operation, but the information indicated is false. Experiencing 9th gear is allowed to be shifted when manually ove...
I was in slow traffic and my check engine light came on then the parking brake engaged. My car stopped and I could not disengage the parking brake so the car could shift gears. I turned my car off for several minutes. When I turned the c...
Toward the end of October 2024, my truck's check engine light came on. I took the vehicle to the dealership to have the oil changed. Two days later, the engine said, "Engine power reduced," so I took it to a repair shop, and they diagnos...
CAR SHUTTERING/BUCKING DURING ACCELERATION FROM STOP AND AT STEADY HIGHWAY SPEED. TACHOMETER SHOWED APPROX THREE HUNDRED RPM FLUCTUATION AT STEADY SPEED. DEALER STATED CAR HAS LEAKED COOLANT INTO TRANSMISSION FROM TRANS COOLER CAUSING FI...
Vehicle is equipped with a 9 speed automatic transmission that will not engage (even after dealer re-program/re-learn). Transmission must either be manually shifted to 9th gear by paddle shifter or shifted to manual mode and quickly back...
In September, my vehicle would not start. I had it boosted and it started right up. The very same afternoon , it would not start and had it boosted. Drove it for 2 days without issue and on day 3 it would not start and boosting was uns...
The vehicle's transmission does not shift smoothly in the lower gears (1-3) when decelerating. It feels like a clutch is popping and the vehicle 'jerks' when this occurs. This began to occur immediately after purchase and continues to d...