DTC Fault Trigger Conditions
DTC | Description | Fault Trigger Conditions |
|---|---|---|
B1B44:12 Right Rear Outer Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the right rear outer parking aid sensor signal circuit is shorted to battery voltage. | |
B1B46:12 Right Rear Inner Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the right rear inner parking aid sensor signal circuit is shorted to battery voltage. | |
B1B48:12 Left Rear Outer Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the left rear outer parking aid sensor signal circuit is shorted to battery voltage. | |
B1B50:12 Left Rear Inner Sensor: Circuit Short To Battery | A continuous and on-demand DTC that sets when the left rear inner parking aid sensor signal circuit is shorted to battery voltage. |
Possible Sources
Wiring, terminals or connectors Parking aid sensor PAM (integral to the BCM)
NOTE: Before disconnecting the PAM or any of the parking aid sensors, verify the connectors are properly seated and latched.
PINPOINT TEST D : DTC (DIAGNOSTIC TROUBLE CODE) B1B44:12, B1B46:12, B1B48:12, B1B50:12
D1 RETRIEVE THE DIAGNOSTIC TROUBLE CODES (DTCS) FROM THE PAM (PARKING ASSIST CONTROL MODULE) SELF-TEST
Ignition ON. Using a diagnostic scan tool, perform the PAM self-test. Check the PAM Diagnostic Trouble Codes (DTCs) from the self-test.
Are multiple parking aid sensor Diagnostic Trouble Codes (DTCs) recorded?
Yes | GO to D2 |
|---|---|
No | For Diagnostic Trouble Codes (DTCs) B1B44:12, B1B46:12, B1B48:12 or B1B50:12, GO to D3 For all other Diagnostic Trouble Codes (DTCs), REFER to the PAM DTC Chart in this section. |
D2 CHECK THE REAR BUMPER WIRING HARNESS
Ignition OFF. Inspect the rear bumper wiring harness for opens, shorts, grounds, or corrosion.
Is the rear bumper wiring harness OK?
Yes | GO to D3 |
|---|---|
No | REPAIR or INSTALL a new rear bumper wiring harness. |
D3 CHECK THE PARKING AID SENSOR CIRCUITRY FOR A SHORT TO VOLTAGE
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.