Engine Coolant Temperature Sensor 5 Circuit High

Where it lives

For P2B2E, the sensor sits on the circuit this code reports. The description of P2B2E reports a fault at the sensor.

Check these first

• An open in the engine coolant temperature sensor 5 signal circuit
• A failed engine coolant temperature sensor 5 reading high
• A sensor 5 connector pin backed out
• A sensor 5 signal wire broken inside the insulation

What to do next

1. Scan all modules and read engine coolant temperature sensor 5 voltage
2. Inspect the sensor 5 connector for a backed out or spread pin
3. Test the sensor 5 signal circuit for an open
4. Measure sensor 5 resistance against the coolant range
5. Replace engine coolant temperature sensor 5 if the circuit tests good
6. Clear the code and retest

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