Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number2 / 30
Possible causes
- Fuel pump relay failed high
- Wiring or connector fault medium
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: 50–600 €
- Estimated time: 0.5–3 h
- Component: fuel pump relay
- Component: fuel pump
- Component: fuel pump wiring
- MIL / check engine light
Sources
References
sae:J2012