B0168 CHEVROLET - Passenger Compartment Temperature Sensor 2 Circuit
B0168 CHEVROLET Possible Causes
- Faulty Passenger Compartment Temperature Sensor 2
- Passenger Compartment Temperature Sensor 2 harness is open or shorted
- Passenger Compartment Temperature Sensor 2 circuit poor electrical connection
- Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
How do I fix code B0168 CHEVROLET?Check the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
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B0168 02: Passenger Compartment Temperature Sensor 2 Circuit Short to Ground
Cost of diagnosing the B0168 CHEVROLET code
Labor: 1.0The cost of diagnosing the B0168 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
- Engine Light ON (or Service Engine Soon Warning Light)
B0168 CHEVROLET DescriptionAir temperature sensors allow the Heating, Ventilation, and Air Conditioning (HVAC) Control Module to monitor the temperature of the discharge air in the HVAC ducts. The module applies 5 volts to internal input resistors that are connected to the signal circuits of the air temperature sensors. The module provides ground to the air temperature sensors through the low reference circuit. The HVAC control module monitors the voltage drops across the air temperature sensors and uses the inputs for automatic control calculations. When the duct air temperatures are cold, the resistances of the sensors are high and the voltage signals are high. When the duct air temperatures are hot, the resistances of the sensors are low and the voltage signals are low. The HVAC control module converts the voltage values to count values where 1 volt is approximately equal to 51 counts.
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