TSB PCM-26.20.4 — Ford and Lincoln Software update

PCM-26.20.4 is a software update on file with NHTSA for 2 Ford and Lincoln models, 2022 model years. A TSB is factory repair guidance, not a recall — the repair is not automatically free.

What the bulletin says. 25S75 Recall remedy -Powertrain Control Module update to introduce logic to prevent low pressure fuel pump binding and maintain fuel flow to the engine.

NHTSA's own summary of the document, quoted from the public manufacturer-communications file.

1Document filed
2Vehicles named
1Model year

Worth checking your VIN against. PCM-26.20.4 is filed as a software update, which unlike an ordinary bulletin can mean free or reimbursed work when a vehicle qualifies. Ask a dealer using the document ID below, and check open recalls separately at nhtsa.gov/recalls.

Vehicles and model years PCM-26.20.4 names

VehicleModel years
Ford Expedition 2022
Lincoln Navigator 2022

Every document filed under PCM-26.20.4

Document IDFiledType
PCM-26.20.4 Exped&Nav July 20, 2026 Software update

What PCM-26.20.4 covers

Fuel system, Electrical — the component vocabulary NHTSA files this communication under.

← All Ford Expedition TSB years TSB lookup by model

Questions buyers ask

What is TSB PCM-26.20.4?

PCM-26.20.4 is a software update filed with NHTSA by Ford and Lincoln, covering 2 Ford and Lincoln models across the 2022 model years. NHTSA's summary reads: 25S75 Recall remedy -Powertrain Control Module update to introduce logic to prevent low pressure fuel pump binding and maintain fuel flow to the engine.

Which vehicles does PCM-26.20.4 cover?

NHTSA's file names Ford Expedition (2022); Lincoln Navigator (2022). A bulletin number can be re-issued against more vehicles later, so check the model-year list on this page against your own.

Is TSB PCM-26.20.4 a recall, and is the repair free?

PCM-26.20.4 is filed as a software update, not a recall — but this is the kind of communication that can mean free or reimbursed work if your VIN qualifies. Take the number to a dealer and ask. Recalls are separate and always free; check yours by VIN at nhtsa.gov/recalls.

How do I get the full text of PCM-26.20.4?

Take the document ID to a dealer's service desk, or search NHTSA's manufacturer-communications records. This page carries every document ID filed under PCM-26.20.4, its date, and NHTSA's own summary from the public file.

Data updated 2026-08-20 from NHTSA's public records

Every number on this page is a count of records in the federal complaint, recall, and investigation files published by NHTSA's Office of Defects Investigation. This page lists only what NHTSA's manufacturer-communications file records under PCM-26.20.4. Check any specific vehicle's open recalls by VIN at nhtsa.gov/recalls.