Critical Fault Mode
WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
When a fault is detected in the Electronic Transmission Range Selector system and the Requested Gear Position or Actual Gear Position cannot be determined
- Vehicle will remain in current commanded gear position until the vehicle speed is below 9 kph
- In order to lower vehicle speed, the electronic brake control module will engage braking
- When vehicle speed is below 8 kph, the vehicle will engage electronic park brake and backup park lock (also know as Default to Park)
- Electronic park brake will not disengage until the issue is corrected and all related DTC's are History