Pinpoint Test B : B1B58:11

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

B1 CHECK THE BUMPER WIRING HARNESS
- Ignition OFF.
- Inspect the bumper wiring harness for opens, shorts, grounds, or corrosion.
Is the bumper wiring harness OK?

Yes GO to B2

No REPAIR or INSTALL a new bumper wiring harness.

B2 CHECK THE LH (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 DTCs (diagnostic trouble codes) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B3

No INSTALL a new LH rear outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

B3 CHECK THE LH (LEFT-HAND) REAR INNER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect: LH Rear Inner Parking Aid Sensor C4010.
- Ignition ON.
- Using a diagnostic scan tool, clear the DTCs (diagnostic trouble codes) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B4

No INSTALL a new LH rear inner parking aid sensor. REFER to: Rear Parking Aid Sensor .

B4 CHECK THE RH (RIGHT-HAND) REAR INNER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect: RH Rear Inner Parking Aid Sensor C4012.
- Ignition ON.
- Using a diagnostic scan tool, clear the DTCs (diagnostic trouble codes) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B5

No INSTALL a new RH rear inner parking aid sensor. REFER to: Rear Parking Aid Sensor .

B5 CHECK THE RH (RIGHT-HAND) REAR OUTER PARKING AID SENSOR FOR AN INTERNAL SHORT
- Ignition OFF.
- Disconnect: RH Rear Outer Parking Aid Sensor C4011.
- Ignition ON.
- Using a diagnostic scan tool, clear the DTCs (diagnostic trouble codes) and repeat the PAM self-test.
Is DTC B1B58:11 still present?

Yes GO to B6

No INSTALL a new RH rear outer parking aid sensor. REFER to: Rear Parking Aid Sensor .

B6 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF.

Disconnect: BCM C2280D.

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2280D-26	Courtesy of FORD MOTOR COMPANY	Ground

Is the resistance greater than 10, 000 ohms?

Yes

GO to B7

No	REPAIR the circuit.

B7 CHECK THE PARKING AID SENSOR VOLTAGE SUPPLY CIRCUIT AND GROUND CIRCUIT FOR A SHORT TOGETHER

Measure:

Positive Lead	Measurement / Action	Negative Lead
C2280D-26	Courtesy of FORD MOTOR COMPANY	C2280D-27

Is the resistance greater than 10, 000 ohms?

Yes

GO to B8

No	REPAIR the circuits.

B8 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION

Ignition OFF.

Disconnect and inspect all BCM and related in-line 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 BCM and related in-line 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 Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, Refer to BCM GUIDED ROUTINE . .

No	The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.