P240B
EVAP System Leak Detection Pump Heater Control Circuit Low
P240B is an OBD-II diagnostic trouble code meaning: EVAP System Leak Detection Pump Heater Control Circuit Low. Common causes: open or short circuit in evap pump heater circuit, poor contact in control circuit connectors. Estimated repair cost: $33–167.
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
Error P240B by Vehicle Brand
FAQ
What does the P240B code mean?
P240B is an OBD-II diagnostic trouble code that indicates: EVAP System Leak Detection Pump Heater Control Circuit Low
What causes a P240B error code?
The most common causes of P240B include: 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.
How do I fix a P240B diagnostic trouble code?
To fix P240B: Check the integrity of the heater circuit fuse. Inspect the wiring harness and connectors for damage.. Check the resistance of the pump heating element. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P240B?
Yes, but get it checked soon
How much does it cost to fix P240B?
The estimated repair cost for P240B is $33–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat