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B0173 Code – Output Air Temperature Sensor 1 Circuit

What are the Possible Causes of the Code B0173?
  • Faulty Output Air Temperature Sensor 1
  • Output Air Temperature Sensor 1 harness is open or shorted
  • Output Air Temperature Sensor 1 circuit poor electrical connection
  • Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
  • Need help with this OBD II code? Our mechanics are available within west Michigan to help. Outside of our service area? Visit our Car Help Section where you can ask questions and get answers.

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