Error code
OBD2 P2401
OBD2P2401
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 Low.
Severity
moderateCan drive but should address the issue soon.
Summary
P2401 indicates a low voltage issue in the control circuit of the evaporative emission (EVAP) leak detection pump, which is part of the EVAP system.
Common Causes
- Wiring short to ground
Fixes
- Inspect and repair any wiring issues related to the EVAP leak detection pump control circuit.
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
- P2402Evaporative Emission System Leak Detection Pump Control Circuit High
- 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