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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 329 (Object Detection System And Pedestrian Protection System) >> Diagnostic Information and Procedures >> DTC B390C: Long Range Radar Sensor Module >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify DTC B390C is not set
    • If the DTC is set 
    1. Verify the B233B Radar Sensor Module - Long Range mounting is correct and free from physical damage.
      • If the mounting is misaligned or damaged, replace the B233B Radar Sensor Module - Long Range.
      • If the mounting is correct and damage free
    2. Perform the Radar Sensor Module - Long Range Learn  procedure.
    3. Verify DTC B390C is not set after the calibration procedure has been completed.
      • If the DTC is set after calibration, replace the B233B Radar Sensor Module - Long Range.
      • If the DTC is not set after calibration
    4. All OK.
    • If DTC B390C 66 is not set 
  3. All OK.
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