Powertrain
generic / SAE
P0232
Fuel Pump Secondary Circuit High
The voltage on the secondary side of the fuel pump circuit is higher than expected. Typical of a stuck relay or short to supply voltage that keeps the pump powered when it should be off.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 32
Possible causes
- Pump relay stuck closed high
- Wire shorted to supply voltage medium
- Connector pins corroded - high contact resistance low
Symptoms
- Check engine light on
- Hard start, no start, or stalling under load
- Power loss especially at high load or rpm
- Possible long cranking time
Inspection / repair
- Difficulty: medium
- DIY: possible
- Estimated cost: 50–500 €
- Estimated time: 0.5–3 h
- Component: fuel pump relay
- Component: fuel pump wiring
- MIL / check engine light
Sources
References
sae:J2012