Symptoms of P0074 OBD II Trouble Code
- Malfunction Indicator Light On
- Air Conditioning may not perform properly
- Instrument cluster may not read outside temperature accurately
- Overhead console may not read outside temperature accurately
Common Causes of P0074 OBD II Trouble Code
- Intermittent open in the signal circuit to the AAT sensor - likely
- Intermittent short to voltage in the signal circuit to the AAT sensor
- Intermittent short to ground in the signal circuit to the AAT sensor
- Faulty AAT sensor
- Failed PCM - unlikely