B0163
Passenger Compartment Temperature Sensor Circuit
B0163 is an OBD-II diagnostic trouble code meaning: Passenger Compartment Temperature Sensor Circuit. Common causes: malfunction of the interior temperature sensor, open or short circuit in the circuit. Estimated repair cost: $22–89.
Symptoms
- Incorrect operation of climate control
- Automatic mode does not maintain the set temperature
- Incorrect temperature readings on the display
- Ventilation works at full capacity
- The air conditioner turns on spontaneously
Causes
- Malfunction of the interior temperature sensor
- Open or short circuit in the circuit
- Poor contact in the connector
- Wiring harness damage
- HVAC control unit malfunction
How to Fix
- Check the integrity of the sensor (measure resistance at different temperatures)
- Check the voltage and continuity of the sensor circuit
- Inspect connectors for corrosion and damage
- Check ground connection
- Replace temperature sensor if necessary
- If the problem persists, check the HVAC module
Related codes
Error B0163 by Vehicle Brand
FAQ
What does the B0163 code mean?
B0163 is an OBD-II diagnostic trouble code that indicates: Passenger Compartment Temperature Sensor Circuit
What causes a B0163 error code?
The most common causes of B0163 include: Malfunction of the interior temperature sensor; Open or short circuit in the circuit; Poor contact in the connector; Wiring harness damage.
How do I fix a B0163 diagnostic trouble code?
To fix B0163: Check the integrity of the sensor (measure resistance at different temperatures). Check the voltage and continuity of the sensor circuit. Inspect connectors for corrosion and damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B0163?
Yes, but get it checked soon
How much does it cost to fix B0163?
The estimated repair cost for B0163 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
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