AI DamageU0109 code: Lost Communication With Fuel Pump Control Module A
Code U0109 is named in 9 US owner complaints, 1 of them (11%) after a crash. Models: 8, model years 2008–2017.
There is little data for this code or its meaning is ambiguous, so this page is not indexed.
What the code means
Lost Communication With Fuel Pump Control Module A. Generic meaning per SAE J2012 (the same for all makes).
How to read U0109: the letter U means network communication between modules; the second digit 0 marks a generic SAE code shared by all makes; the last three characters 109 identify the specific fault.
Codes for engine, transmission, transfer case and hybrid system modules. When valuing an auction car the key question is whether the fault is crash related (cut wiring, damaged radiator) or a known defect of the model.
Key figures
- Complaints with this code
- 9
- after a crash
- 1 (11%)
- Models
- 8
- Model years
- 2008–2017
Which models and years
Models whose owners name this code (8). Years link to the model year problems page.
Components named together with the code
Component as the owner filed it (one complaint can list several).
Complaints by model year
What to do if an auction car has this code
- Separate crash damage (wiring, radiator, mounts) from known model defects: see the model year problems page.
What owners report
Excerpts of owner complaints in the original wording. Owner statements not verified by the regulator; personal data removed.
I checked it with a OBD2 scanner and it was indicating a code U0109 - Lost communication with fuel pump control module . After looking into solutions and reasons for the issue online I came across a post regarding an existing recall with NHTSA with ID 22v955 regarding water intrusion in the spare wheel well portion of…
Vehicle will crank but will not start. Throws code U0109. Fuel pump control module is on backorder with no estimated time frame. I am not the only person this is happening to with a truck that we are making payments on and will not run.
Engine stalled multiple times while driving. Pulled codes and found U0109 fuel pump module communication. There is already a recall but my vehicle vin does not apply. Environmental issues with the placement of this module causing corrosion internally shorting printed circuit board.
Sources: public official US data (owner complaints) and the SAE J2012 standard. Complaints are owner statements not verified by the regulator. A code from a complaint does not replace a scan tool diagnosis. Data updated 2026-11-10.