What this code means

The ambient air temperature sensor reading is out of expected range or not changing appropriately.

Symptoms

• Incorrect temp reading
• Climate control issues

Common causes

• Sensor mounted near heat source
• Sensor contaminated
• Intermittent connection

Diagnostic steps

1. Compare sensor reading to known temperature
2. Check sensor location
3. Inspect connector

Repair notes

Relocate or replace sensor.

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