Circuit/System Verification

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.

Verify no other Surround Vision system related DTCs are set in K157 Video Processing Module.
- If any other DTCs are set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no other DTCs are set
Verify DTC B1594 is not set in A11 Radio.
- If DTC B1594 is set
  Refer to: Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If DTC B1594 is not set
Refer to: Circuit/System Testing