OBDII Code List

P1232 MERCURY - Low Speed Fuel Pump Primary Circuit Failure

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
Comments  |  Add Comment

Possible causes

  • Faulty Low Speed Fuel Pump
  • Faulty Fuel Pump Relay
  • Low Speed Fuel Pump harness is open or shorted
  • Low Speed Fuel Pump circuit poor electrical connection
  • Damaged Powertrain Control Module (PCM)

Tech notes

The Powertrain Control Module (PCM) monitors the Low Speed Fuel Pump (LFP) primary circuit output from the PCM. The test fails if: When the LFP circuit is commanded on (grounded), excessive current draw is detected on the LFP circuit; or when the LFP circuit is commanded off, voltage is not detected on the LFP circuit (the PCM expects to detect VPWR voltage coming through the low speed fuel pump relay coil to the LFP circuit).

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1232 Mercury Description

Low Speed Fuel Pump Primary Circuit Failure is the generic description for the P1232 Mercury code, but the manufacturer may have a different description. Currently we have no further information abouth the P1232 Mercury OBDII code. Please post your question on our "Questions" section for more information: Questions.
OBDII Code P1232 Mercury - Low Speed Fuel Pump Primary Circuit Failure -

Need more help?

Get the P1232 Mercury code diagnosed by a professional: Find a repair shop in your area

Related Information

P1232 MERCURY Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P1232 Mercury code? Have you replaced any parts?
Any information is appreciated. Thanks
Top ⇧