P025A The engine computer has detected an open or faulty control circuit for the fuel pump module

Fuel pump module A control circuit/open

P025A in short

P025A means the computer found an open or faulty control circuit for the fuel pump module. On Ford and Lincoln models a loose or pushed-out connector pin, or an unpowered pump control module, is the most common finding. It can cause a no-start or stalling, so get it checked soon.

Many newer vehicles run the fuel pump through a separate control module that the engine computer commands. P025A sets when the computer sees an open circuit or no response from that module.

Ford bulletins tie it to connectors: a pushed-out pin at connector C139 on 2016-2017 Expedition and Navigator, a partly disconnected harness at the fuel pump driver module connector on 2018 F-150, Expedition, Navigator, Transit and Explorer, and an unpowered module in transport mode on 2015 MKC, MKZ and Fusion.

Other makes also set it (complaints mention GM trucks and a Cadillac), but the sourced fixes here are Ford and Lincoln. Your vehicle may differ.

Most likely causes

  1. Loose connector or pushed-out pin at the fuel pump module or harness

    Supported by vehicle data
    Why it ranks here
    Ford SSM 46802 (pin 14 of connector C139, 2016-2017 Expedition and Navigator) and SSM 47257 (fuel pump driver module connector, 2018 F-150, Expedition, Navigator, Transit and Explorer) both trace P025A to connectors.
    What would change this
    Rises on these vehicles if a connector is loose or a pin is pushed out. Falls if connectors are tight.

  2. Unpowered fuel pump control module (transport mode or remote start)

    Supported by vehicle data
    Why it ranks here
    Ford ASI 44677 ties P025A with crank-no-start or stall to an unpowered fuel pump control module in transport mode on 2015 MKC, MKZ and Fusion, and TSB 13-6-28 links P025A and U0109 to Intelligent Access remote start on 2013 Fusion, Escape and C-MAX.
    What would change this
    Rises if the vehicle is new, was in transport mode or has a remote start fault. Falls if the module has normal power.
    How to test the engine controls ignition relay

  3. Fuel pump module or its control module

    Common general cause
    Why it ranks here
    The fault points at the module or its circuit by definition; TroubleCodes.net gives only the definition of this code. This ranks below the connector finds because Ford bulletins say to confirm connectors before replacing parts.
    What would change this
    Rises if connectors and power are fine and the module does not respond. Falls if a connector is at fault.
    How to test the fuel pump

What to test first

Start at step 1. Each result tells you what it means and where to go next.

  1. Read all codes. Note U0109 (fuel pump control module communication lost) or P0103 stored with P025A.

    Low risk

    • IfP025A is stored with U0109 and/or P0103

      It meansFord bulletins tie this pattern to connectors or loss of power at the module. Check the connectors.

      Go to step 2

    • IfP025A is the only code

      It meansStill check the fuel pump module connectors.

      Go to step 2

  2. Have the fuel pump driver module connector and the harness connector checked for a loose fit or pushed-out pins before replacing any part.

    Best left to a shopTool: scan tool, multimeter

    Warning:Fuel pump circuits sit near the fuel tank and fuel lines. Let a shop work on them.

Symptoms

  • Check engine light
  • Cranks but does not start
  • Engine stalls while driving or after driving Gets more serious: stop and have it checked.
  • Loss of power Gets more serious: stop and have it checked.

Compare with: Check engine light with loss of power

How to fix

Parts and cost context

  • Fuel pump:Ford bulletins say to confirm connectors before replacing parts. Labour varies; get a quote.

Labor varies by vehicle and shop; get a quote before you approve a repair.

Compare used part prices on PartPriceGuide

On your vehicle

Ford

  • 2016–2018 · Expedition

    Supported by vehicle data

    Ford SSM 46802 (2016-2017, pin push-out at connector C139) and SSM 47257 (2018, fuel pump driver module connector) tie P025A to connectors. Whether they are still current is not verified.

  • 2018 · F-150

    Supported by vehicle data

    Ford SSM 47257 says to confirm the fuel pump driver module connector is fully seated before replacing parts. Whether it is still current is not verified.

  • 2013–2015 · Fusion

    Supported by vehicle data

    Ford bulletins tie P025A to transport mode (2015) and Intelligent Access remote start (2013). Whether they are still current is not verified.

  • SSM 46802Status unverified

    No-start with P025A (pin push-out at connector C139)

    2016–2017expedition · NHTSA 10119665

    Inspect pin 14 of connector C139, circuit CE608, for proper retention and repair the harness as needed. The summary also covers the Lincoln Navigator.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • SSM 47257Status unverified

    MIL with P025A (fuel pump driver module connector)

    2018f-150, expedition, transit, explorer · NHTSA 10137143

    Confirm the fuel pump driver module connector is fully seated before diagnosing or replacing parts. Ford said engineering was still investigating. The summary also covers the Lincoln Navigator.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • ASI-44677Status unverified

    P025A with crank no-start or stall in transport mode

    2015fusion · NHTSA 10056776

    Cause is an unpowered fuel pump control module in transport mode. The summary also covers the 2015 Lincoln MKC and MKZ.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • SSM 47138Status unverified

    MIL or wrench lamp with P025A, P0103 and U0109 (2.0L)

    2018ecosport · NHTSA 10137086

    Inspect for loose connections or pin push-out.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • TSB-13-6-28Status unverified

    Intelligent Access remote start with P025A/U0109

    2013fusion, escape · NHTSA 10053065

    Remote start can set P025A and U0109, with stall after driving and crank no-start. The summary also covers the 2013 C-MAX and Focus.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

  • 16-0163Status unverified

    Drivability issues with many DTCs including P025A

    2014–2016transit-connect · NHTSA 10094582

    Covers 2.5L Transit Connect vans that set many codes; follow the service procedure. The summary does not describe it.

    We couldn't confirm whether this bulletin is still current, so it doesn't count as confirmation.

Lincoln

  • 2016–2018 · Navigator

    Supported by vehicle data

    The Ford connector bulletins also cover the Navigator. Whether they are still current is not verified.

  • P0087Fuel pressure in the rail or supply system is lower than the engine computer requested

    Same system Possible — needs testing

    P0087 (fuel rail pressure too low) can also appear when the pump is not being commanded properly; check pump command first.

All Fuel pump and injectors codes

P025A questions

Is it safe to drive with P025A?

Not for long. It can cause a stall or a no-start. Get it checked soon, and stop in a safe place if the engine stalls or loses power.

Sources and review

  1. SSM 46802 No-start with P025A, 2016-2017 Expedition and Navigator — Ford Motor Company
  2. SSM 47257 MIL with P025A, 2018 F-150, Expedition, Navigator, Transit, Explorer — Ford Motor Company
  3. ASI 44677 P025A fuel pump module A control circuit/open, crank no-start or stall in transport mode — Ford Motor Company
  4. TSB 13-6-28 Intelligent Access remote start with P025A/U0109 — Ford Motor Company
  5. P025A trouble code summary — TroubleCodes.net
  6. SSM 47138 MIL or wrench lamp with P025A, P0103 and U0109, 2018 EcoSport 2.0L — Ford Motor Company
Last reviewed
Written by
Saurabh K.
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