Powertrain
generic / SAE
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.
SystemPowertrain
Typegeneric / SAE
GroupP0
Range / number6 / 27
Possible causes
- Fuel pump relay failed high
- Wiring open medium
- Pin pushed back out of connector body 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: 60–700 €
- Estimated time: 0.3–3 h
- Component: fuel pump
- Component: fuel pump relay
- Component: pump wiring
- MIL / check engine light
- limp mode possible
Sources
References
sae:J2012