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Home >> Cadillac >> 2017 >> CTS Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Object Detection System And Pedestrian Protection System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B0958, B0959, B0960 or B0961: Parking Assist Rear Sensor >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON.
  2. Verify that DTC B1405 is not set.
    • If the DTC is not set 
  3. Verify that DTC B0958 3A, DTC B0958 3B, B0959 3A, B0959 3B, B0960 3A, B0960 3B, B0961 3A or B0961 3B is not set.
    • If the DTC is set 

      Replace the B78 Front Object Sensor.

    • If the DTC is not set 
  4. Verify that DTC B0958, B0959, B0960 or B0961 is not set.
    • If the DTC is set 
    1. Check the B78 Rear Object Sensor for contamination with snow, mud, dirt, slush or ice.
      • If contaminated, clean sensor.
      • If there is no contamination
    2. Refer to Circuit/System Testing.
    • If the DTC is not set 
  5. Ignition ON, transmission in R.
  6. Verify the scan tool Parking Assist System Status parameter displays Enabled.
    • If the Parking Assist System displays Disabled 

      Refer to Circuit/System Testing.

    • If the Parking Assist System displays Enabled 
  7. All OK.
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