P240B

EVAP System Leak Detection Pump Heater Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$33–167 (est.)

Symptoms

Check Engine Light Is On
Possible difficulties when refueling
Increased fuel consumption
Unstable engine idling
The vehicle may fail an emissions test.

Causes

Open or short circuit in EVAP pump heater circuit
Poor contact in control circuit connectors
Leak detection pump heating element malfunction
Problems with the heater circuit relay or fuse
Motor controller malfunction

How to Fix

Check the integrity of the heater circuit fuse
Inspect the wiring harness and connectors for damage.
Check the resistance of the pump heating element
Test the control circuit for a short or open.
Replace the EVAP leak detection pump if necessary.

Related codes

P240A P240C P240D