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HOMESERVICE MANUALSCHEVROLET2018SILVERADO 2500 HD WT, 2D PICKUP, 6.0L ENG VIN G, RWD, GASREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2930 (OBJECT DETECTION SYSTEM AND PEDESTRIAN PROTECTION SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESLANE DEPARTURE WARNING SYSTEM MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, Gas

Circuit/System Verification

2018 Chevrolet Silverado 2500 HD WT, 2D Pickup, 6.0L Eng VIN G, RWD, GasSECTION Circuit/System Verification
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2017 GMC Sierra 3500 HD, 2017 GMC Sierra 2500 HD, 2017 GMC Sierra 1500, 2017 Chevrolet Silverado 3500 HD, and 2017 Chevrolet Silverado 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

Refer to Diagnostic Aids before performing Circuit/System Verification.

  1. Ignition ON.
  2. Verify the K43 Power Steering Control Module (if equipped) and the K17 Electronic Brake Control Module do not have any DTCs set.
    • If the DTC is not set 
  3. Verify that DTC B356A is not set.
    • If the DTC is not set 
  4. Verify that DTC B0987 is not set.
    • If the DTC is not set 
  5. Verify that DTC B1011 is not set.
    • If the DTC is not set 
  6. Verify the scan tool Frontview Camera Disable History 1 parameter does not have a current Malfunction
    • If the parameter is Malfunction 

      Refer to Diagnostic Aids.

    • If the parameter is Normal 
  7. Verify the scan tool Frontview Camera System Status parameter is Normal.
    • If the parameter is Undefined or Malfunction 

      Refer to Diagnostic Aids.

    • If the parameter is Normal 
  8. Verify the scan tool Lane Departure Warning Switch Status parameter changes between Open and Closed while pressing and releasing the lane departure warning switch.
    • If the parameter does not change between Open and Closed 

      Refer to Lane Departure Warning Switch Malfunction in Circuit/System Testing.

    • If the parameter changes between Open and Closed 
  9. Verify the scan tool Lane Departure Warning Switch indicator turns on and off while pressing and releasing the lane departure warning switch.
    • If the indicator does not turn on and off 

      Refer to Lane Departure Warning Switch Indicator Malfunction in Circuit/System Testing.

    • If the indicator turns on and off 
  10. Verify the area of the K109 Frontview Camera Module for contamination.
    • If it needs to be cleaned 

      Clean the windshield.

    • If it does not need to be cleaned 
  11. All OK.
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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.