P2402
EVAP System Leak Detection Pump Control Circuit High
P2402 is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Control Circuit High. Common causes: short circuit in the evap pump control circuit to positive, leak detection pump malfunction. Estimated repair cost: $17–89.
Symptoms
- Check Engine Light Is On
- Increased fuel consumption
- Dips when the engine is idling
- Unpleasant smell of gasoline in the cabin
- Increased level of harmful emissions
Causes
- Short circuit in the EVAP pump control circuit to positive
- Leak detection pump malfunction
- Damage to the EVAP system wiring harness
- Problems with the system relay or fuse
- Engine control unit malfunction
How to Fix
- Check EVAP system fuses and relays
- Inspect the wiring harness for damage
- Check the resistance of the leak detection pump
- Check control circuit for short circuit
- Replace faulty leak detection pump if necessary
Related codes
Error P2402 by Vehicle Brand
FAQ
What does the P2402 code mean?
P2402 is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Control Circuit High
What causes a P2402 error code?
The most common causes of P2402 include: Short circuit in the EVAP pump control circuit to positive; Leak detection pump malfunction; Damage to the EVAP system wiring harness; Problems with the system relay or fuse.
How do I fix a P2402 diagnostic trouble code?
To fix P2402: Check EVAP system fuses and relays. Inspect the wiring harness for damage. Check the resistance of the leak detection pump. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2402?
Yes, but get it checked soon
How much does it cost to fix P2402?
The estimated repair cost for P2402 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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