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HOMESERVICE MANUALSGMC2016ACADIA SLE, FWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEOBJECT DETECTION SYSTEM AND PEDESTRIAN PROTECTION SYSTEMDIAGNOSTIC INFORMATION AND PROCEDURESLANE DEPARTURE WARNING SYSTEM MALFUNCTIONCIRCUIT/SYSTEM VERIFICATION
2016 GMC Acadia SLE, FWD

Circuit/System Verification

2016 GMC Acadia SLE, FWDSECTION Circuit/System Verification
NOTE:

Refer to Diagnostic Aids before performing Circuit/System Verification.

  1. Ignition ON.
  2. Verify that DTC B356A is not set.
    • If the DTC is set 

      Refer to DTC B356A .

    • If the DTC is not set 
  3. Verify that DTC B0987 is not set.
    • If the DTC is set 

      Refer to DTC B0987 .

    • If the DTC is not set 
  4. 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 
  5. 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 
  6. 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 
  7. 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 
  8. All OK.
RENDER: 1.0x

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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.