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Pinpoint Test C: B1B58:11

  1. NOTE: Before disconnecting the PAM or IPMB (for vehicles with 360 degree view camera) or any of the parking aid sensors, verify the connectors are properly seated and latched.

    Refer to Parking Aid for schematic and connector information.

    Normal Operation and Fault Conditions 

    The PAM supplies voltage to the rear parking aid sensors via a common circuit.

    DTC Fault Trigger Conditions 

    DTC Description Fault Trigger Condition
    IPMB B1B58:11 Rear Sensors Power Circuit: Circuit Short To Ground A continuous memory and on-demand DTC that sets when the rear sensor voltage supply circuit is shorted to ground or to the signal return circuit.
    PAM B1B58:11 Rear Sensors Power Circuit: Circuit Short To Ground A continuous memory and on-demand DTC that sets when the rear sensor voltage supply circuit is shorted to ground or to the signal return circuit.

    Possible Sources 

    • Wiring, terminals or connectors
    • Rear parking aid sensor
    • PAM (vehicles without 360 degree view camera)
    • IPMB (vehicles with 360 degree view camera)

  2. C1 CHECK THE REAR BUMPER WIRING HARNESS

    • Ignition OFF.

    • Inspect the rear bumper wiring harness for opens, shorts, grounds, or corrosion.

    Is the bumper wiring harness OK? 

    Yes  GO to  C2
    No  REPAIR or INSTALL a new bumper wiring harness.

  3. C2 CHECK THE LHR (LEFT-HAND REAR) OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT

    • Disconnect: LHR Outer Parking Aid Sensor C4009.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    Is DTC B1B58:11 present? 

    Yes  GO to  C3
    No  INSTALL a new LHR outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

  4. C3 CHECK THE LHR (LEFT-HAND REAR) INNER PARKING AID SENSOR FOR AN INTERNAL SHORT

    • Ignition OFF.

    • Disconnect: LHR Inner Parking Aid Sensor C4010.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    Is DTC B1B58:11 present? 

    Yes  GO to  C4
    No  INSTALL a new LHR inner parking aid sensor. REFER to: Rear Parking Aid Sensor .

  5. C4 CHECK THE RHR (RIGHT-HAND REAR) INNER PARKING AID SENSOR FOR AN INTERNAL SHORT

    • Ignition OFF.

    • Disconnect: RHR Inner Parking Aid Sensor C4012.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    Is DTC B1B58:11 present? 

    Yes  GO to  C5
    No  INSTALL a new RHR inner parking aid sensor. REFER to: Rear Parking Aid Sensor .

  6. C5 CHECK THE RHR (RIGHT-HAND REAR) OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT

    • Ignition OFF.

    • Disconnect: RHR Outer Parking Aid Sensor C4011.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    Is DTC B1B58:11 present? 

    Yes  If the vehicle is equipped with active park assist sensors, GO to  C6 If the vehicle is NOT equipped with active park assist sensors, GO to  C8
    No  INSTALL a new RHR outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

  7. C6 CHECK THE RHR (RIGHT-HAND REAR) ACTIVE PARK ASSIST SENSOR FOR AN INTERNAL SHORT

    • Ignition OFF.

    • Disconnect: RHR active park assist sensor C4421.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    Is DTC B1B58:11 present? 

    Yes  GO to  C7
    No  INSTALL a new RHR active park assist sensor. REFER to: Rear Active Park Assist Sensors .

  8. C7 CHECK THE LHR (LEFT-HAND REAR) ACTIVE PARK ASSIST SENSOR FOR AN INTERNAL SHORT

    • Ignition OFF.

    • Disconnect: LHR active park assist sensor C4420.

    • Ignition ON.

    • Using a diagnostic scan tool, clear the Diagnostic Trouble Codes (DTCs) and repeat the PAM or IPMB (for vehicles with 360 degree view camera) self-test.

    Is DTC B1B58:11 present? 

    Yes  GO to  C8
    No  INSTALL a new LHR active park assist sensor. REFER to: Rear Active Park Assist Sensors .

  9. C8 CHECK THE REAR PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

    • Ignition OFF.

    • Disconnect PAM C3267A (vehicles without 360 degree view camera).

    • Disconnect IPMB C3676B (vehicles with 360 degree view camera).

    • Measure:

      For vehicles without 360 degree view camera 

      Positive Lead Measurement / Action Negative Lead
      C3267A-3
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 Ground

      For vehicles with 360 degree view camera 

      Positive Lead Measurement / Action Negative Lead
      C3676B-17
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 Ground

    Is the resistance greater than 10, 000 ohms? 

    Yes  GO to  C9
    No  REPAIR the circuit.

  10. C9 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT AND GROUND CIRCUIT FOR A SHORT TOGETHER

    • Measure:

      For vehicles without 360 degree view camera 

      Positive Lead Measurement / Action Negative Lead
      C3267A-3
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3267A-10

      For vehicles with 360 degree view camera 

      Positive Lead Measurement / Action Negative Lead
      C3676B-17
      GFD640079Courtesy of FORD MOTOR COMPANY
      		 C3676B-18

    Is the resistance greater than 10, 000 ohms? 

    Yes  For vehicles without 360 degree view camera, GO to  C11 For vehicles with 360 degree view camera, GO to  C10
    No  REPAIR the circuit.

  11. C10 CHECK FOR CORRECT IPMB (IMAGE PROCESSING MODULE B) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all IPMB connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the IPMB connectors. Make sure they seat and latch correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new IPMB. REFER to: Image Processing Module B (IPMB) in the appropriate service information.
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.

  12. C11 CHECK FOR CORRECT PAM (PARKING ASSIST CONTROL MODULE) OPERATION

    • Ignition OFF.

    • Disconnect and inspect all PAM connectors.

    • Repair:

      • corrosion (install new connector or terminals - clean module pins)
      • damaged or bent pins - install new terminals/pins
      • pushed-out pins - install new pins as necessary

    • Reconnect the PAM connectors. Make sure they seat and latch correctly.

    • Operate the system and determine if the concern is still present.

    Is the concern still present? 

    Yes  CHECK OASIS for any applicable service articles: TSB, GSB, SSM or FSA. If a service article exists for this concern, DISCONTINUE this test and FOLLOW the service article instructions. If no service articles address this concern, INSTALL a new PAM. REFER to: Parking Assist Control Module (PAM) .
    No  The system is operating correctly at this time. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.
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