P024E
Charge Air Cooler Bypass Position Sensor A Circuit Low
Turbo / charge-air cooling
Generic OBD-II
Low
What it means
P024E means the position sensor that reports how far charge-air-cooler bypass valve A has moved is reading a voltage below its normal range — usually a short to ground, an open, or a failed sensor. The engine still runs, but the ECM can't verify the bypass valve's position.
Low
Can I keep driving? Yes — it affects charge-air cooling management, not the engine's ability to run, so normal driving is fine short-term.
Common symptoms
What you'll notice
- Check-engine light on
- Often no noticeable change in how the car drives
- Possible minor loss of performance or efficiency under load
Common causes
Most likely first
- Short to ground or open in the position-sensor signal wiringLikely
- Failed bypass-valve position sensorCommon
- Corroded or loose sensor connectorCommon
- Rarely, a failed control moduleLess often
How to diagnose & fix
Work through it in order
- Read freeze-frame and inspect the position-sensor connector and wiring for a short to ground or an open.
- Check the sensor's reference voltage and ground, then compare the signal to spec.
- Replace the bypass-valve position sensor if wiring and grounds are good.
- Repair wiring as needed, then clear and re-test.
FAQ
Quick answers
Is it safe to drive with P024E?+
Yes, in most cases. It affects charge-air cooling management rather than the engine's ability to run, so the car drives normally. Repair it to keep intake-air temperatures controlled.
Can I just clear P024E?+
It will reset while the sensor or its wiring is still faulty. Repair the circuit to keep it off.
Related codes
Often seen with P024E
Read & clear P024E yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.
✓ Verified name — SAE J2012 / ISO 15031-6Guidance reviewed by OBD DashX