P2401
EVAP System Leak Detection Pump Control Circuit Low
P2401 is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Control Circuit Low. Common causes: open or short circuit in the pump control circuit, leak detection pump malfunction. Estimated repair cost: $17–56.
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Difficulties in engine idle speed
- Unstable engine operation
- Smell of gasoline in the cabin
Causes
- Open or short circuit in the pump control circuit
- Leak detection pump malfunction
- Poor contact in circuit connectors
- Problems with the engine control module
- Corroded contacts or damaged wiring harness
How to Fix
- Check the integrity of the pump control circuit
- Check connections and connectors of the pump
- Test the leak detection pump
- Check the functionality of the control module
- Replace damaged components if necessary
Related codes
Error P2401 by Vehicle Brand
FAQ
What does the P2401 code mean?
P2401 is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Control Circuit Low
What causes a P2401 error code?
The most common causes of P2401 include: Open or short circuit in the pump control circuit; Leak detection pump malfunction; Poor contact in circuit connectors; Problems with the engine control module.
How do I fix a P2401 diagnostic trouble code?
To fix P2401: Check the integrity of the pump control circuit. Check connections and connectors of the pump. Test the leak detection pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2401?
Yes, but get it checked soon
How much does it cost to fix P2401?
The estimated repair cost for P2401 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat