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.
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.
Common causes
- high
Fuel pump relay failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-770
- medium
Wiring open
A plausible cause — test and verify before replacing parts.
Typical part cost: $70-770
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does P0627 mean?
P0627 means "Fuel Pump \"A\" Control Circuit Open". It is a generic OBD-II code that points to a fault in the computer & auxiliary output controls.
What are the most common causes of P0627?
fuel pump relay failed; wiring open; pin pushed back out of connector body — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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