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DTC codes / P24xx · Auxiliary emission controls / P24BE

P24BEEVAP System Leak Detection Pump Switching Valve Control Circuit Low

P24BE indicates that the powertrain control module has detected an abnormally low voltage on the control circuit for the evaporative emission system's leak detection pump switching valve. This valve is responsible for routing vacuum or pressure during the leak test, and a low circuit condition means the computer sees a short to ground or an open circuit on the control side.

SystemPowertrain
Code typeGeneric (all makes)
SeverityLow
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.

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