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Home >> Chevrolet >> 2021 >> Tahoe SSV >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Image Display Camera System >> Diagnostic Information and Procedures >> DTC B1594 (in Video Processing Module) >> Circuit/System Verification
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Circuit/System Verification

  1. Perform the following visual inspections:
    • Misalignment of the components: B87 Rearview Driver Information Camera
    • Visible Damage
    • Dirty
    • If a condition exists - Repair or replace as necessary 
    • Go to next step: If none of the conditions exists 
  2. Verify DTC B1594 11, 12, 13 is not set.
    • If DTC B1594 11, 12, 13 is set 

      Diagnose B1594 11, 12, 13 before attempting to diagnose other surround vision camera DTCs. Refer to: Circuit/System Testing

    • Go to next step: If DTC B1594 11, 12, 13 is not set 
  3. Refer to: Circuit/System Testing