Powertrain
Definition only
Lights the check engine lamp
P240A: EVAP System Leak Detection Pump Heater Control Circuit Open
Standardized SAE J2012 code · P24xx — Auxiliary emission controls
What does P240A mean?
The leak detection pump heater - keeps the pump diaphragm warm in cold weather - has an open control circuit.
The code tells you which monitor failed, not which part is broken. Test before replacing parts.
Symptoms
- Check engine light on
- Possible smell of fuel near tank or engine bay
- Failed emissions inspection
- Loose-cap warning may appear
Common causes
- High Open in heater or wiring
- Low Pin pushed back out of connector body
- Low Cracked solder joint inside the module or sensor
Likelihood is a general estimate across vehicles; your make and model may differ.
Add your car to see reports of P240A on the same make and model first.
P240A in the community
Ask about P240ANo one has posted about P240A yet
Share your vehicle, the tool you used and what you tested — the first thread helps everyone who searches for this code.
Describe your P240A problem