Circuit/System Verification

2018 Chevrolet Tahoe FL, 4WD, GasSECTION Circuit/System Verification
  1. Verify there are no other DTCs set in the K157 Video Processing Control Module.
    • Go to next step: If no other DTCs are set 
  2. Clean all camera lenses, verify mirrors are folded out, and verify the trunk is closed.
    • If mirrors are not folded out or trunk lid is not closed 

      Perform needed tasks

    • Go to next step: If mirrors are folded out and trunk is closed 
  3. Park the vehicle in a flat area with parallel lines on both sides. Vehicle running, transmission in R, verify the line alignment in overhead view, both lines are parallel and aligned well in the front, side, and rear cameras.
    • Go to next step: If the overhead view is clear 
  4. All OK.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.