Error code
OBD2 P2402
OBD2P2402
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
Evaporative Emission System Leak Detection Pump Control Circuit High.
Severity
moderateCan drive but may have emissions issues.
Summary
P2402 indicates an issue with the evaporative emission (EVAP) leak detection pump control circuit being too high, likely due to wiring problems near the EVAP system.
Common Causes
- Wiring short to positive on the EVAP leak detection pump
Fixes
- Inspect and repair wiring near the EVAP system.
FAQ
What does P2402 mean?
P2402 indicates a problem with the control circuit of the evaporative emission leak detection pump being too high, often due to wiring issues.
How serious is P2402?
Moderately serious; it can affect emissions but may still allow driving.
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
- P2403Evaporative Emission System Leak Detection Pump Sense Circuit/Open
- 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