What does code P2DDB mean?

Q: What does code P2DDB mean?

EVAP System Leak Detection Pump Stuck On. P2DDB means the engine computer has commanded the evaporative emissions (EVAP) leak detection pump to run, but the pump's internal switch or circuit indicates it is already on or stuck in the active position. The computer detects this as an unexpected continuous pump-on condition when the pump should be off or cycling normally.

DTC codes / P2Dxx · Hybrid propulsion / P2DDB

P2DDBEVAP System Leak Detection Pump Stuck On

P2DDB means the engine computer has commanded the evaporative emissions (EVAP) leak detection pump to run, but the pump's internal switch or circuit indicates it is already on or stuck in the active position. The computer detects this as an unexpected continuous pump-on condition when the pump should be off or cycling normally.

SystemPowertrain

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaHybrid propulsion

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