OBD-II code · Powertrain (generic)
P0627 Fuel Pump "A" Control Circuit Open
The ECU detected an open circuit in the fuel pump A control output. With no pump operation the engine cannot run; this code is often paired with no-start and no fuel pressure.
Is it safe to drive with P0627?
The car may go into limp mode (reduced power). Get it diagnosed before a long trip.
Common causes
- Most likelyFuel pump relay failed
- PossibleWiring open
- Less likelyPin pushed back out of connector body
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
- 0.3–3 h
- Emissions test
- Usually unaffected
- Parts involved
- Fuel Pump, Fuel Pump Relay, Pump Wiring
Code data: OBDex open dataset (CC0). Labour times are typical ranges, not a quote.