Turbocharger Compressor Outlet Temperature Sensor Circuit Range/Perfomance

Where it lives

For P2EC2, the circuit described runs through the sensor. The description of P2EC2 reports a fault at the sensor.

Check these first

• A compressor outlet temperature sensor reading outside its expected range
• A failed compressor outlet temperature sensor
• High resistance in the sensor circuit
• A corroded sensor connector
• A chafed sensor wire near the turbocharger

What to do next

1. Read compressor outlet temperature on a scan tool
2. Compare the reading to ambient before start
3. Test the sensor circuit for added resistance
4. Inspect the sensor connector and wiring near the turbo
5. Replace the compressor outlet temperature sensor if the reading stays skewed
6. Clear the code and retest

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