P0629
Fuel Pump A Control Circuit High
Fuel Pump A Control Circuit High: the control-circuit voltage is above the expected range. Often an open circuit or a short to supply voltage.
Fuel Pump A Control Circuit High: the control-circuit voltage is above the expected range. Often an open circuit or a short to supply voltage.
Common causes
- high
Pump circuit shorted to power
One of the most commonly reported causes for this code — check this first.
Typical part cost: $130-880
- medium
Ground open
A plausible cause — test and verify before replacing parts.
Typical part cost: $130-880
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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 P0629 mean?
P0629 means "Fuel Pump A Control Circuit High". 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 P0629?
pump circuit shorted to power; ground open; connector pins corroded - high contact resistance — 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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