E5

System

Diagnostic

Symptom

Not specified

Diagnosis & fix steps

Evaporator Temperature Sensor. LOGIC: The "Anti-Ice" sensor is reporting an open circuit or short.

Red Seal field insights

If this sensor fails, the evaporator will freeze into a block of ice, and airflow will stop. The sensor is usually tucked deep in the heater box; check the pigtail for moisture before pulling the dash apart.

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