Powerstroke Man 6.4
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I was checking for codes today and the this came up P0232 Fuel Pump Secondary Circuit High. What could this be?
Symptoms of a P0232 DTC may include:
•MIL (malfunction indicator lamp) illumination
•Fuel pump runs with key off
•Small amount of voltage present on FP (fuel pump) voltage supply circuit due to short
Causes
Potential causes of a P0232 code include:
•Bad FP relay
•Short to voltage on FP voltage supply circuit or feedback circuit
•Short to ground on PCM
•FP relay control circuit PCM
•FP relay control driver shorted to ground internally
quick search came up with this, check your grounds id say. does the truck do anything weird?