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Home >> Chevrolet >> 2021 >> Traverse L >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Driver Assistance Systems) >> Diagnostic Information and Procedures >> DTC B1A04 (K124 Image Processing Module) >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2020 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the area in front of the B174W Front View Camera - Windshield is clean, unobstructed, and damage-free.
    • If not clean, unobstructed, and damage-free 

      Clear or repair as necessary.

    • Go to next step: If clean, unobstructed, and damage-free 
  2. Verify the B174W Front View Camera - Windshield is properly mounted and secured with no damage.
    • If not properly mounted and secured or damage is present 

      Repair or replace components as necessary.

    • Go to next step: If properly mounted and secured and no damage is present 
  3. Ignition ON.
  4. Clear DTCs.
  5. Driver the vehicle for 3 - 5 minutes at speeds greater than 9 km/h (6 mph) in normal traffic conditions.
  6. Verify the DTC B1A04 does not set.
    • If DTC B1A04 is set 

      Replace the B174W Front View Camera - Windshield.

    • Go to next step: If DTC B1A04 is not set 
  7. All OK. A fault is currently not present and may be an intermittent condition.
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