What does code P0624 mean?

Q: What does code P0624 mean?

Fuel Cap Lamp Control Circuit. P0624 is a generic OBD-II code that indicates the powertrain control module (PCM) has detected a fault in the fuel cap lamp control circuit, which is the wiring that illuminates the fuel cap indicator on the dashboard. The PCM monitors the circuit for expected voltage or current and sets the code when the signal falls outside the manufacturer's specified range.

DTC codes / P06xx · Computer and output circuits / P0624

P0624Fuel Cap Lamp Control Circuit

P0624 is a generic OBD-II code that indicates the powertrain control module (PCM) has detected a fault in the fuel cap lamp control circuit, which is the wiring that illuminates the fuel cap indicator on the dashboard. The PCM monitors the circuit for expected voltage or current and sets the code when the signal falls outside the manufacturer's specified range.

SystemPowertrain

Code typeGeneric (all makes)

SeverityLow

Fix difficultyIntermediate

AreaComputer and output circuits

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.