OBD-II code · Powertrain (generic)
P0230 Fuel Pump Primary Circuit Malfunction
An electrical fault in the fuel pump primary control circuit (relay or driver). The ECU detects an open, short, or out-of-range condition on the relay/driver output.
Is it safe to drive with P0230?
Usually safe to drive in the short term. Get it diagnosed when convenient, sooner if the car drives differently.
Common causes
- Most likelyFuel pump relay failed
- PossibleWiring or connector fault
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, Fuel Pump Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.