A/C Compressor Control Module Internal Temperature Sensor B Circuit High

Where it lives

For P2E7E, the sensor sits on the circuit this code reports. The description of P2E7E reports a fault at the sensor.

Check these first

• A short to voltage on the internal temperature sensor B circuit
• An open ground at the A/C compressor control module
• A failed internal temperature sensor B
• Corroded pins at the compressor control module connector
• A failed compressor control module

What to do next

1. Read internal temperature sensor B on a scan tool
2. Test the sensor B signal wire for a short to voltage
3. Check the compressor module ground for continuity
4. Inspect the compressor module connector pins
5. Replace the compressor control module if the circuit tests good
6. Clear the code and retest

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