Pinpoint Test F : U0100:87
WARNING: This page is about a different car, the 2015 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
- F1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify that a vehicle session can be established using a diagnostic scan tool..
Can a vehicle session be established?
Yes GO to F2 No DIAGNOSE tne scan tool communication concern with the PCM. REFER to: Communications Network . - F2 RECHECK THE PAM (PARKING ASSIST CONTROL MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
- Ignition OFF.
- Using a diagnostic scan tool, clear the PAM Diagnostic Trouble Codes (DTCs).
- Operate the system and test the system for normal operation.
- Using a diagnostic scan tool, check the PAM CMDTCs (Continuous Memory Diagnostic Trouble Codes).
Is DTC U0100:87 still present?
Yes GO to F3 No Clear the DTC. The system is operating correctly at this time. The DTC may have been set due to high network traffic or an intermittent fault condition. - F3 RETRIEVE THE RECORDED DTCS (DIAGNOSTIC TROUBLE CODES) FROM THE PCM (POWERTRAIN CONTROL MODULE) SELF-TEST
- Using a diagnostic scan tool, perform the PCM self-test.
Are any DTCs (Diagnostic Trouble Codes) recorded?
Yes Repair the PCM DTCs (Diagnostic Trouble Codes). REFER to: Electric Powertrain Control . No GO to F4 - F4 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0100:00 OR DTC (DIAGNOSTIC TROUBLE CODE) U0100:87 IN OTHER MODULES
- Using a diagnostic scan tool, clear all Diagnostic Trouble Codes (DTCs).
- Ignition OFF.
- Wait 10 seconds.
- Using a diagnostic scan tool, retrieve the Continuous Memory Diagnostic Trouble Codes (DTCs) from all modules.
Is DTC U0100:00 or DTC U0100:87 set in any other module?
Yes GO to F5 No GO to F6 - F5 CHECK FOR CORRECT PCM (POWERTRAIN CONTROL MODULE) OPERATION
- Ignition OFF.
- Disconnect and inspect all PCM 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 PCM 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 TSB addresses this concern, INSTALL a new PCM. REFER to: Powertrain Control Module (PCM) . 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. - F6 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 the TSB instructions. If no TSB addresses this concern, INSTALL a new BCM. REFER to: BODY CONTROL MODULE (BCM) . 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.