OBD Guide

B0168

Passenger Compartment Temperature Sensor 2 Circuit

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • Incorrect operation of climate control
  • The temperature in the cabin does not correspond to the specified values
  • Automatic climate control mode does not work properly
  • The system can only operate at maximum settings

Causes

  • Faulty interior temperature sensor
  • Open or short circuit in the sensor circuit
  • Damaged wiring harness
  • Corrosion or poor contact in connectors
  • Malfunction of the climate control unit

How to Fix

  1. Diagnosing the Sensor Circuit Using a Multimeter
  2. Checking the integrity of wires and connections
  3. Visual inspection of the sensor and connectors for damage
  4. Replacing a faulty temperature sensor
  5. Clean connector contacts if necessary

Related codes

Error B0168 by Vehicle Brand