Circuit/System Verification

2025 Chevrolet Trailblazer ACTIV, 4WDSECTION Circuit/System Verification
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify P17 Info Display Module displays infotainment system information properly.
    • Go to next step: If the component works as specified 
  3. Verify DTC B2545 is not set
    • Go to next step: If the DTC is not set 
  4. Inspect the following for debris or dirt: B87 Rearview Camera & Clean the components as necessary.
  5. Apply the parking brake.
  6. Engine Running Transmission in Reverse
  7. Verify the component activates: Backup Lamps
    • Go to next step: If the component works as specified 
  8. Verify a clear rear vision image is displayed on the component: A11 Radio
    • If no clear image is displayed 

      Refer to Circuit/System Testing.

    • Go to next step: If a clear image is displayed 
  9. All OK.
RENDER: 1.0x

NO RELATED

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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.