Charge Air Cooler Bypass Position Sensor A Circuit High

Where it lives

For P024F, start at the sensor the description names.

Check these first

• A short to voltage in the position sensor A signal
• An open in the sensor A ground
• Corrosion in the sensor A connector
• A faulty bypass actuator holding the flap
• A restriction in the intercooler air flow

What to do next

1. Read position sensor A voltage on a scan tool
2. Inspect the sensor A wiring for a short to voltage or an open ground
3. Check the sensor ground with a volt drop test
4. Command the bypass actuator and check for free travel
5. Replace position sensor A if the signal stays high with good wiring
6. Clear the code and retest

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