The contact owns a 2021 Cadillac XT4. The contact stated while driving 40-45 MPH, the vehicle suddenly stopped, and was shifted into park but failed to restart. There were no warning lights illuminated. The vehicle was towed to the local dealer where it was diagnosed and determined that the fuel pump control module and battery needed to be replaced. The vehicle was not repaired. The manufacturer was not contacted. The failure mileage was approximately 34,536.
Electrical system
2021 Cadillac XT4 Electrical problems
Owners have filed 3 complaints about the 2021 Cadillac XT4's electrical system with NHTSA - 25% of all its complaints, most recently on May 1, 2025. They describe 1 crash, 0 fires and 0 injuries. Dead batteries, warning lights, wiring, alternators, infotainment and electronic module failures.
- Complaints
- 3
- Recalls
- 0
- Crashes
- 1
- Fires
- 0
- Injuries
- 0
- Deaths
- 0
Electrical complaints
When I turn on the vehicle, it will have no sound - audio, turn signal, and most importantly and concerning, seatbelt warning chime. the electrical issues also extend to the hvac sustain have been trying to get this resolved with two dealerships and Cadillac directly for 1.5 almost 2 years. The issues began about three weeks after my lease began. Cadillac directly and the dealerships have done nothing to resolve this and have continuously kicked it down the road with no resolution. I am not comfortable driving a vehicle in which seatbelt deatures are compromised.
The contact owns a 2021 Cadillac XT4. The contact stated that while driving in stop-and-go traffic, the contact rear-ended a vehicle in front. The contact crashed the vehicle at approximately 5 mph; however, the collision caused severe front end damage to the vehicle. The air bag did not deploy and all electrical safety features failed to operate after the collision. There were no injuries reported and a police report was filed. The radiator began to leak as a result of the accident, therefore, the vehicle was towed to an independent body shop. The manufacturer was notified of the failure and offered no assistance. The vehicle had been repaired. The failure mileage was approximately 1,800.
Cadillac XT4 electrical complaints by year
XT4 electrical problems, every yearSource: U.S. National Highway Traffic Safety Administration (NHTSA) complaints and recalls, checked . Complaints are owners' own reports and are not verified. How we use the data