OBD-II code · Powertrain (generic)
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.
Is it safe to drive with P0232?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyPump relay stuck closed
- PossibleWire shorted to supply voltage
- Less likelyConnector pins corroded - high contact resistance
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
Repair at a glance
- Difficulty
- Medium
- DIY friendly
- Often, with basic tools
- Typical labour
- 0.5–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Pump Relay, Fuel Pump Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.