PINPOINT TEST D: DTCs B1B44:96, B1B46:96, B1B48:96 AND B1B50:96

WARNING: This page is about a different car, the 2014 Lincoln MKX and 2014 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.

D1 CHECK THE DTCs FROM THE PAM SELF-TEST
- Check the PAM DTCs from the self-test.
Are parking aid DTCs other than B1B44:96, B1B46:96, B1B48:96 and B1B50:96 recorded?
- Yes : DIAGNOSE the other DTCs first. REFER to DTC CHARTS .
- No : GO to D2.
D2 CHECK THE PARKING AID SENSOR OPERATION
NOTE: Make sure the area around the vehicle is clear of anything that can activate the parking aid system.
- Clean the rear bumper and sensors with high-pressure water.
- Carry out the azimuth system check. Refer to AZIMUTH SYSTEM CHECK .
- Carry out the elevation system check. Refer to ELEVATION SYSTEM CHECK .
Does the parking aid system pass both system checks?
- Yes : The system is operating correctly at this time. The concern may have been caused by a dirty or blocked parking aid sensor. CLEAR the DTCs. TEST the system for normal operation.
- No : GO to D3.
D3 CHECK THE PARKING AID SENSORS
- Install a new sensor for the suspect parking aid sensor.
- Ignition ON.
- Clear the DTCs. Repeat the self-test. Operate the system and verify the concern is still present.
Is the concern still present?
- Yes : GO to D4.
- No : The cause of the concern was an inoperative parking aid sensor. The system is now operating correctly.
D4 CHECK FOR CORRECT PAM OPERATION
- Disconnect the PAM connector.
- Check for:
  - corrosion
  - damaged pins
  - pushed-out pins
- Connect the PAM connector and make sure it seats correctly.
- Operate the system and determine if the concern is still present.
Is the concern still present?
- Yes : INSTALL a new PAM . REFER to PARKING AID MODULE (PAM) . TEST the system for normal operation.
- No : The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT the self-test.