P2403 - Evaporative Emission System Leak Detection Pump Sense Circuit/Open

Repair Importance Level: 3/3
Repair Difficulty Level: 2/3   
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Possible causes

  • Faulty Leak Detection Pump
  • Leak Detection Pump harness is open or shorted
  • Leak Detection Pump circuit poor electrical connection
  • Faulty Purge Valve
  • Clogged or damaged charcoal canister

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2403 Description

The 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.
OBDII Code P2403 - Evaporative Emission System Leak Detection Pump Sense Circuit/Open - AutoCodes.com

P2403 Information for specific makes

  • P2403 DODGE Evaporative Emission System Leak Detection Pump Sense Circuit/Open

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P2403 Comments

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