P0624
Fuel Cap Lamp Control Circuit
The control circuit for the fuel cap warning lamp reports a fault. The ECM cannot drive the indicator that warns of an open or loose fuel cap.
The control circuit for the fuel cap warning lamp reports a fault. The ECM cannot drive the indicator that warns of an open or loose fuel cap.
Common causes
- high
Lamp circuit open or shorted
One of the most commonly reported causes for this code — check this first.
Typical part cost: $40-330
- low
Instrument cluster fault
Less common, but worth ruling out after the more likely causes.
Typical part cost: $40-330
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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 P0624 mean?
P0624 means "Fuel Cap Lamp Control Circuit". 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 P0624?
lamp circuit open or shorted; instrument cluster fault — 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?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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