What causes P1234 on a Ford?

Corroded FPDM like the classic 2004–2008 F-150 failure Lost power or ground to the module Severed command wire from the PCM Blown pump fuse Failed module electronics

How do I fix P1234 on a Ford?

Inspect the module for corrosion breakthrough Verify power, ground and command at the connector Check the pump fuse Test the module output to the pump Replace and weatherproof the new module

P1234 Fuel Pump Driver Module Disabled or Off Line

Q: What does P1234 mean on a Ford?

P1234 — Fuel Pump Driver Module Disabled or Off Line. Applies to F-150 (2004–2008), Explorer, Expedition with FPDM.

Category: Powertrain - Fuel/Air Metering
Severity: Check Engine Light
Applies to: F-150 (2004–2008), Explorer, Expedition with FPDM

What does P1234 mean on a Ford?

P1234 — Fuel Pump Driver Module Disabled or Off Line. This Ford-enhanced code applies to F-150 (2004–2008), Explorer, Expedition with FPDM.

Common causes of P1234

Corroded FPDM like the classic 2004–2008 F-150 failure
Lost power or ground to the module
Severed command wire from the PCM
Blown pump fuse
Failed module electronics

How to fix P1234

Inspect the module for corrosion breakthrough
Verify power, ground and command at the connector
Check the pump fuse
Test the module output to the pump
Replace and weatherproof the new module