Charge Air Cooler Temperature Sensor Circuit Low Bank 1

Where it lives

For P007C, the circuit described runs through the sensor. The description of P007C puts it on bank 1.

Check these first

• A short to ground in the Bank 1 charge air cooler temperature sensor wire
• A failed charge air cooler temperature sensor reading low
• Corrosion or damage at the Bank 1 sensor connector
• A poor ground at the Bank 1 sensor circuit
• A fault in the ECM sensor input

What to do next

1. Read the Bank 1 charge air cooler temperature on a scan tool
2. Test the Bank 1 sensor signal wire for a short to ground
3. Measure the sensor resistance and compare it to spec
4. Inspect the connector and ground for corrosion
5. Replace the Bank 1 charge air cooler temperature sensor if it reads low
6. Clear the code and retest

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