Error code
OBD2 P2403
OBD2P2403
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Evaporative Emission System Leak Detection Pump Sense Circuit/Open.
Severity
moderateCan drive but may fail emissions tests.
Summary
P2403 indicates an open circuit in the evaporative emission (EVAP) leak detection pump sense circuit, which is part of the EVAP system.
Common Causes
- Wiring issues related to the EVAP leak detection pump
Fixes
- Repair or replace faulty wiring in the EVAP system.
FAQ
What does P2403 mean?
P2403 indicates an issue with the sense circuit of the EVAP leak detection pump, likely due to a wiring problem.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
More OBD2 codes
- P2400Evaporative Emission System Leak Detection Pump Control Circuit/Open
- P2401Evaporative Emission System Leak Detection Pump Control Circuit Low
- P2402Evaporative Emission System Leak Detection Pump Control Circuit High
- P2404Evaporative Emission System Leak Detection Pump Sense Circuit Range/Performance
- P2405Evaporative Emission System Leak Detection Pump Sense Circuit Low
- P2406Evaporative Emission System Leak Detection Pump Sense Circuit High
- P2407Evaporative Emission System Leak Detection Pump Sense Circuit Intermittent/Erratic
- P2408Fuel Cap Sensor/Switch Circuit
- P2409Fuel Cap Sensor/Switch Circuit Range/Performance
- P2410Fuel Cap Sensor/Switch Circuit Low
- P2411Fuel Cap Sensor/Switch Circuit High
- P2412Fuel Cap Sensor/Switch Circuit Intermittent/Erratic