Circuit/System Verification

WARNING: This page is about a different car, the 2021 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.

Verify no other DTCs are set, except DTC P0604.
- If any other DTCs are set
  Diagnose all other DTCs first. Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no other DTCs are set
Clear DTCs and operate the vehicle in the conditions that the customer experienced.
Verify DTC P0604 does not set.
- If the DTC sets
  Replace the K124 Image Processing Module.
- Go to next step: If the DTC does not set
All OK.