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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC P16FD or P16FE >> Circuit/System Verification

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.
  1. Verify no other DTCs are set, except DTC P16FD or P16FE.
    • Go to next step: If no other DTCs are set 
  2. Clear DTC and operate the vehicle in the conditions that the customer experienced.
  3. Verify DTC P16F3 or P16DE does not set.
    • If the DTC sets 

      Replace the K124 Image Processing Module.

    • Go to next step: If the DTC does not set 
  4. All OK.
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