B0173
Output Air Temperature Sensor 1 Circuit
B0173 is an OBD-II diagnostic trouble code meaning: Output Air Temperature Sensor 1 Circuit. Common causes: malfunction of outlet air temperature sensor 1, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Incorrect operation of the climate control system
- Incorrect cabin temperature
- Check Engine light comes on
- Possible errors in the operation of the heating system
Causes
- Malfunction of outlet air temperature sensor 1
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Malfunction of the climate control unit
How to Fix
- Check the integrity of the wiring harness to the sensor
- Check the contacts in the sensor connector
- Replace outlet air temperature sensor 1
- Check the operation of the climate control unit
Related codes
Error B0173 by Vehicle Brand
FAQ
What does the B0173 code mean?
B0173 is an OBD-II diagnostic trouble code that indicates: Output Air Temperature Sensor 1 Circuit
What causes a B0173 error code?
The most common causes of B0173 include: Malfunction of outlet air temperature sensor 1; Open or short circuit in wiring harness; Poor contact in the sensor connector; Malfunction of the climate control unit.
How do I fix a B0173 diagnostic trouble code?
To fix B0173: Check the integrity of the wiring harness to the sensor. Check the contacts in the sensor connector. Replace outlet air temperature sensor 1. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0173?
Limited driving only, diagnose soon
How much does it cost to fix B0173?
The estimated repair cost for B0173 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat