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Home >> Chevrolet >> 2018 >> Spark LT, Automatic CVT Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 68 (Object Detection System) >> Diagnostic Information and Procedures >> DTC B0958, B0959, B0960 or B0961: Parking Assist Rear Sensor Circuit >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2017 Chevrolet Spark. 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 01, B0959 01, B0961 01, B0958 21, B0959 21 or B0961 21 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 
  4. Verify that DTC B0958 3A, B0959 3A or B0961 3A is not set.
    • If the DTC is set 

      Replace the B78 Rear Object Sensor with the correct sensor type.

  5. Ignition ON, engine running, transmission in REVERSE.
  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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