P2403 - Evaporative Emission System Leak Detection Pump Sense Circuit/Open
P2403 DescriptionThe Engine Control Module (ECM) checks power consumption on the Leak Detection Pump. The Diagnostic Trouble Code (DTC) can be diagnosed when the leak diagnostic system is run. A diagnostic trouble code is stored if the current consumption of the pump in the Leak Detection Pump unit varies too much during the reference phase.
P2403 Information for specific makes
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