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Home >> Cadillac >> 2017 >> ATS Base, 4D Sedan, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 264 (Object Detection System And Pedestrian Protection System - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC B0954, B0955, B0956, or B0957: Parking Assist Front Sensor >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2016 Cadillac CT6. 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 B0954 01, B0955 01, B0956 01, B0957 01 B0954 22, B0955 22, B0956 22 or B0957 22 is not set.
    • If the DTC is set 
    1. Verify the B78 Front Object Sensors are not contaminated with snow, mud, dirt, slush, or ice.
      • If contaminated, clean the B78 Front Object Sensors.
      • If there is no contamination
    2. Refer to Circuit/System Testing.
    • If the DTC is not set 
  4. Verify that DTC B0954 3A, B0955 3A, B0956 3A or B0957 3A is not set.
    • If the DTC is set 

      Replace the appropriate B78 Front Object Sensor with the correct sensor type.

    • If the DTC is not set 
  5. Ignition ON, transmission in R.
  6. Verify the scan tool Parking Assist System Status parameter is Enabled.
    • If the parameter is Disabled 

      Refer to Circuit/System Testing.

    • If the parameter is Enabled 
  7. All OK.
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