What does code P24F0 mean?

Q: What does code P24F0 mean?

Control Module Wake-up Circuit Low. P24F0 indicates that the engine control module (ECM) or another control module has detected a low voltage condition on the wake-up circuit that is used to rouse the module from sleep mode. The circuit is designed to carry a signal that wakes the module when the ignition is turned on or when certain conditions are met, and a low voltage means the module may not receive the proper wake-up command.

DTC codes / P24xx · Auxiliary emission controls / P24F0

P24F0Control Module Wake-up Circuit Low

P24F0 indicates that the engine control module (ECM) or another control module has detected a low voltage condition on the wake-up circuit that is used to rouse the module from sleep mode. The circuit is designed to carry a signal that wakes the module when the ignition is turned on or when certain conditions are met, and a low voltage means the module may not receive the proper wake-up command.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAuxiliary emission controls

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