Customer: U0109 code indicates that the pump fails to cycle. I have replaced the pump and the driver relay, but it works intermittently. I checked some wiring and found one ground near the driver; the …

The U0109 code indicates lost communication with the fuel pump control module (FPCM). Even after replacing the FPCM, check wiring harnesses and connectors for damage or corrosion.

Feb 14, 2021 · Codes U0109 x 2, P025A x 2, and P0441 p025a p0441 u0109 Jump to Latest 5.7K views 2 replies 2 participants last post by 14vern Feb 14, 2021 WSK0 Discussion starter

08 Silverado 5.3. 1500 LT throwing u0109 code good ground to engine and fuse block showing low bolt to fscm connector at

2017 Ford Mustang P025A, P2610, U0109 Codes Explained Mustang often faces fuel pump control module failures and communication errors causing drivability issues. Codes P025A and P2610 …

Random no start with code u0109. Changed fuel pump, fpcm, and terminating resistor. Same problem. 09 Silverado 1500 crew

Mar 25, 2024 · U0109 - LOST COMMUNICATION WITH FUEL PUMP CONTROL MODULE U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE The fuel pump communication code …

Discover more answers I have a 2018 ford f550 6.7 diesel that wont start. i scanned the truck and found codes p027a, p064a, u0109. i tried the

Getting u0109 code with wrench light and check engine light on 2014 ford f150 but it still runs good. Replaced the fuel

Codes P025A, U0109, and P018C Ram 1500. Check engine light came on. Was running fine. Then loss of acceleration. After Mechanic's Assistant chat Customer: Codes P025A, U0109, and P018C for my …