Diagnostic Aids
WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
The TPMS will not activate the tire fill alert properly under the following conditions:
- There is interference from an external device or transmitter.
- The air pressure from the inflation device is not sufficient to inflate the tire.
- There is a malfunction in the Tire Pressure Monitoring System.
- There is a malfunction in the horn or turn signal lamps.
- The identification code of the Tire Pressure Monitoring System sensor is not registered to the system.
- The battery of the Tire Pressure Monitoring System sensor is low.