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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 251 (Driver Monitoring System) >> Diagnostic Information and Procedures >> DTC B1B24 >> Circuit/System Testing
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit/System Testing

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. Ignition ON.
  2. Verify the B292 Driver Monitoring Camera coax cable is properly connected at all components, and there is no damage to the cable or connections.
    • If connection problems or cable damage is noted 

      Perform the appropriate repair or replacement to correct any issues

    • Go to next step: If no connection problems or cable damage is noted 
  3. Verify DTC B1B24 is not set.
    • If the DTC is set 

      Replace the B292 Driver Monitoring Camera

    • Go to next step: If the DTC is not set 
  4. Verify DTC B1B24 58 is not set.
    • If DTC is set 
    1. Clean the replacement B292 Driver Monitoring Camera.
    2. Verify the camera is mounted correctly.
      • If the camera is incorrectly mounted, remove and reinstall camera
      • Go to next step: If the camera is mounted correctly
    3. Replace the K180 Driver Monitoring System Module.
    • Go to next step: If the DTC is not set 
  5. All OK.
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