Circuit/System Verification

Ignition ON.
Verify that DTC B1405 is not set.
- If the DTC is set
  Refer to DTC B1405 (with rear park assist) DTC B1405 (with front and rear park assist)
- If the DTC is not set
Verify that DTC B0958 01, B0959 01, B0960 01 or B0961 01 is not set.
- If the DTC is set
  Check the appropriate sensor for contamination with mud. If no contamination is diagnosed, refer to Circuit/System Testing.
- If the DTC is not set
Verify that DTC B0958 21, B0959 21, B0960 21 or B0961 21 is not set.
- If the DTC is set
  Check the appropriate sensor for contamination with mud, ice or snow. If no contamination is diagnosed, replace the sensor.
- If the DTC is not set
Verify that DTC B0958 3A, B0959 3A, B0960 3A or B0961 3A is not set.
- If the DTC is set
  Replace the appropriate sensor with a sensor of correct sensor type.
- If the DTC is not set
Ignition ON, transmission in REVERSE.
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
All OK.