P2400
EVAP System Leak Detection Pump Control Circuit/Open
P2400 is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Control Circuit/Open. 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
- Difficulty starting the engine
- Unstable engine idling
- Failure to pass toxicity test
Causes
- Open or short circuit in the pump control circuit
- Leak detection pump malfunction
- Poor contact in the pump connector
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the integrity of the pump control circuit
- Inspect the connectors and contacts of the pump
- Check the resistance of the leak detection pump
- Replace the pump if necessary
- Check the operation of the system after repair
Related codes
Error P2400 by Vehicle Brand
FAQ
What does the P2400 code mean?
P2400 is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Control Circuit/Open
What causes a P2400 error code?
The most common causes of P2400 include: Open or short circuit in the pump control circuit; Leak detection pump malfunction; Poor contact in the pump connector; Wiring harness damage.
How do I fix a P2400 diagnostic trouble code?
To fix P2400: Check the integrity of the pump control circuit. Inspect the connectors and contacts of the pump. Check the resistance of the leak detection pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2400?
Yes, but get it checked soon
How much does it cost to fix P2400?
The estimated repair cost for P2400 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat