Pinpoint Test G : U0101:00
WARNING: This page is about a different car, the 2019 Ford F-550 Super Duty, 2019 Ford F-450 Super Duty, 2019 Ford F-350 Super Duty, and 2019 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
- G1 VERIFY THE CUSTOMER CONCERN
- Ignition ON.
- Verify there is an observable symptom present.
Is an observable symptom present?
Yes GO to G2 No Clear the DTC. The system is operating normally at this time. The DTC may have been set due to high network traffic or an intermittent fault condition. - G2 CHECK THE COMMUNICATION NETWORK
- Using a diagnostic scan tool, perform the network test.
Does the PCM pass the network test?
Yes GO to G3 No REFER to: Communications Network . - G3 RECHECK THE PAM (PARKING ASSIST CONTROL MODULE) DTCS (DIAGNOSTIC TROUBLE CODES)
- Using a diagnostic scan tool, clear the DTCs (diagnostic trouble codes).
- Operate the system and test for normal operation.
- Check the PAM CM DTCs (continuous memory diagnostic trouble codes).
Is DTC U0101:00 still present?
Yes GO to G4 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. - G4 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 Refer to the appropriate Engine System article for the procedure. No GO to G5 - G5 CHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U0101:00 OR DTC (DIAGNOSTIC TROUBLE CODE) U0101:87 SET IN OTHER MODULES
- Using a diagnostic scan tool, clear all DTCs (diagnostic trouble codes).
- Ignition OFF.
- Ignition ON.
- Wait 10 seconds.
- Using a diagnostic scan tool, retrieve the CM DTCs (continuous memory diagnostic trouble codes) from all modules.
Is DTC U0101:00 or DTC U 101:87 set in other modules?
Yes GO to G6 No GO to G7 - G6 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 TSB. If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no TSB addresses this concern, Refer to PCM GUIDED ROUTINE TESTING 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. - G7 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 applicable TSBs (technical service bulletins). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW the TSB instructions. If no TSB addresses this concern, Refer to BCM GUIDED ROUTINE TESTING . 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.