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Home >> Cadillac >> 2015 >> XTS Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Object Detection System And Pedestrian Protection System >> Diagnostic Information and Procedures >> DTC B390A: Short Range Object Sensor >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON.
  2. Verify that B390A 08 or B390A 45 is not set.
    • If either DTC is set 
    1. Program the appropriate B233 Radar Sensor Module - Short Range.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the appropriate B233 Radar Sensor Module - Short Range.
      • If the DTC does not set
    3. All OK.
    • If DTC is not set 
  3. Verify that B390A 54 is not set.
    • If DTC is set 

      Replace the appropriate B233 Radar Sensor Module - Short Range.

    • If the DTC is not set 
  4. Verify that B390A 58 is not set.
    • If DTC is set 
    1. Verify the area in front of the sensor is clean, unobstructed, and damage-free.
      • If not clean, unobstructed, and damage-free, clean or repair as necessary.
        NOTE:

        After correcting the problem, it may be necessary to drive the vehicle to clear the DTC. Refer to Diagnostic Aids.

      • If clean, unobstructed, and damage-free, replace the appropriate B233 Radar Sensor Module - Short Range.
    • If DTC is not set 
  5. Verify that B390A 67 is not set.
    • If DTC is set in both modules 
    1. Verify modules have not been swapped side to side.
      • If modules have been swapped, swap them back.
      • if modules have not been swapped or DTC persists, refer to Circuit/System Testing.
    • If DTC is set in one module 

      Refer to Circuit/System Testing

    • If DTC is not set 
  6. All OK.
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