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HOMESERVICE MANUALSCHEVROLET2019TAHOE LS, 4WD, GAS/ETHANOLREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTENTERTAINMENT SYSTEMSIMAGE DISPLAY CAMERASDIAGNOSTIC INFORMATION AND PROCEDURESREAR VISION CAMERA SYSTEM MALFUNCTION (WITH UVH)CIRCUIT/SYSTEM VERIFICATION
2019 Chevrolet Tahoe LS, 4WD, Gas/Ethanol

Circuit/System Verification

2019 Chevrolet Tahoe LS, 4WD, Gas/EthanolSECTION Circuit/System Verification
NOTE:

If the condition is intermittent or cannot be duplicated, disconnect the connectors and add Nyogel lubricant 760G. This procedure will correct the high resistance condition due to terminal fretting corrosion.

  1. Verify no DTCs present.
    • Go to next step: If no other DTCs present 
  2. Verify other surround vision camera images display properly.
    • Go to next step: If only rear view vision camera image does not display properly 
  3. Verify there is no debris on the B87 Rearview Camera lens and that the bezel and bezel seal are not damaged.
    • If debris is found on the lens 

      Clean the lens using water and a soft cloth. If the lens, bezel, or bezel seal are damaged, replace as necessary.

    • Go to next step: If there is no debris on the lens 
  4. Engine running, parking brake applied, transmission in REVERSE.
  5. Verify the backup lamps are illuminated.
    • Go to next step: If the backup lamps are illuminated 
  6. Ignition ON. Verify P17 Info Display Module displays the home screen and radio information properly.
    • If the P17 Info Display is not displaying properly 
    1. Engine running, parking brake applied, transmission in REVERSE.
      2. NOTE:

      A poor quality image is an image that has flickering, blinking, excessively blue/yellow hue, and/or fog/haze such that it obstructs the driver's view out the rear of the vehicle.

    2. Verify a clear rear vision image is displayed on the P17 Info Display Module.
      • If a clear rear vision image is displayed 

        Refer to Circuit/System Testing- A: Info Display does not Display Radio Information

      • If a clear rear vision image is not displayed 

        Refer to Circuit/System Testing - B: Info Display Module does not Display Anything.

    • Go to next step: If the P17 Info Display displays home screen and radio information properly 
  7. Engine running, parking brake applied, transmission in REVERSE.
    8. NOTE:

    A poor quality image is an image that has flickering, blinking, excessively blue/yellow hue, and/or fog/haze such that it obstructs the driver's view out the rear of the vehicle.

  8. Verify a clear rear vision image is displayed on the P17 Info Display Module.
    • If a clear image is not displayed 

      Refer to Circuit/System Testing - C: No Rear View Camera Image.

    • Go to next step: If a clear image is displayed 
  9. Verify a clear enhanced rear vision image, which includes projected path lines and object detection indicators, is displayed on the P17 Info Display Module.
    • If an enhanced clear image is not displayed 

      Refer to Circuit/System Testing - D: No Enhanced Rear View Camera Image.

    • Go to next step: If an enhanced clear image is displayed 
  10. 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.