OBD Guide

P240A

EVAP System Leak Detection Pump Heater Control Circuit/Open

P240A is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Heater Control Circuit/Open. Common causes: open or short circuit in the heater circuit, pump heating element malfunction. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Check Engine Light Is On
  • EVAP system does not self-test
  • Increased fuel consumption (in some cases)
  • The smell of gasoline in or around the car

Causes

  • Open or short circuit in the heater circuit
  • Pump heating element malfunction
  • Problems with the relay or circuit fuse
  • Engine control unit malfunction
  • Wiring harness damage

How to Fix

  1. Check the integrity of the heater circuit
  2. Check the resistance of the heating element
  3. Check circuit fuses and relays
  4. Inspect the wiring harness for damage
  5. Replace leak detection pump if necessary

Related codes

Error P240A by Vehicle Brand

FAQ

What does the P240A code mean?

P240A is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Heater Control Circuit/Open

What causes a P240A error code?

The most common causes of P240A include: Open or short circuit in the heater circuit; Pump heating element malfunction; Problems with the relay or circuit fuse; Engine control unit malfunction.

How do I fix a P240A diagnostic trouble code?

To fix P240A: Check the integrity of the heater circuit. Check the resistance of the heating element. Check circuit fuses and relays. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P240A?

Yes, but get it checked soon

How much does it cost to fix P240A?

The estimated repair cost for P240A is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat