LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B390C: Long Range Radar Sensor Module >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  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.
scientia non olet · About LEMON Manuals