Pinpoint Test C : DTC (Diagnostic Trouble Code) B129C:96, DTC (Diagnostic Trouble Code) B129D:96
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.
- C1 CHECK THE CONTINUOUS AND ON-DEMAND PAM (PARKING ASSIST CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition ON.
- Using a diagnostic scan tool, retrieve the PAM Diagnostic Trouble Codes (DTCs).
Are Diagnostic Trouble Codes (DTCs) other than B129C:96 or B129D:96 present?
Yes DIAGNOSE all other PAM Diagnostic Trouble Codes (DTCs) first. REFER to the DTC Chart: PAM No GO to C2 - C2 CHECK THE ACTIVE PARK ASSIST SENSOR OPERATION
- Clean the front bumper and sensors with high-pressure water.
- Make sure the suspect active park assist sensor(s) is flush-mounted in the bezel.
- Perform the azimuth system check. REFER to: Azimuth System Check .
Does the system pass the azimuth system check?
Yes The system is operating correctly at this time, the concern may have been caused by a dirty, blocked or incorrectly mounted active park assist sensor. No GO to C3 - C3 INSTALL A KNOWN GOOD SENSOR
- Ignition OFF.
- Install a known good sensor for the suspect active park assist sensor. REFER to: Front Active Park Assist Sensors .
- Ignition ON.
- Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs) and repeat the self-test.
Is DTC B129C:96 or DTC B129D:96 still present?
Yes GO to C4 No INSTALL a new active park assist sensor for the suspect sensor. REFER to: Front Active Park Assist Sensors . - C4 CHECK FOR CORRECT BCM (BODY CONTROL MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect all BCM connectors 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 connectors 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 the 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. The concern may have been caused by a loose or corroded connector. ADDRESS the root cause of any connector or pin issues.