P1233

Fuel Pump Driver Module Disabled Or Off Line

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Engine won't start
Floating idle speed
Loss of power during acceleration
Stalling engine
Check Engine light comes on

Causes

Fuel pump control module (FPCM) malfunction
Open or short circuit in FPCM control circuit
Problems with the fuel pump relay
Poor contact in FPCM connectors
Engine control unit (ECU) malfunction

How to Fix

Check fuel system fuses and relays
Check the integrity of the wiring to the FPCM
Check module connectors and contacts
Test or replace FPCM
Check the operation of the engine control unit

Related codes

P1234 P1235 P0627

Error P1233 by Vehicle Brand

Ford Lincoln Mercury