Fault Code P2406
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2406
Evaporative Emission System Leak Detection Pump Sense Circuit High
This code indicates a higher-than-expected voltage in the sense circuit of the evaporative emission system's leak detection pump. This may indicate a short to voltage or an internal fault.
Part Details
Part Name
EVAP Leak Detection Pump
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪400 - ₪1500
Engine Location
Near the fuel tank
Symptoms
- Check Engine Light on
- Emissions test failure
- Fuel smell (rare)
- Improper EVAP system operation
Possible Causes
- 1Wiring short to voltage
- 2Internal fault in leak detection pump
- 3Faulty connector
- 4Faulty Powertrain Control Module (PCM/ECM)
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