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Engine-Codes – GMC – B0163 2015 GMC Sierra

B0163 2015 GMC Sierra Code - Passenger Compartment Temperature Sensor Circuit

Quick Answer

The B0163 code for a 2015 GMC Sierra indicates a problem with the passenger compartment temperature sensor circuit. Common causes include Faulty passenger compartment temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0163 2015 GMC Sierra indicates Passenger Compartment Temperature Sensor Circuit.
Common causes
Common causes include Faulty passenger compartment temperature sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or poor connections in the sensor circuit.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 15, 2024
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Code B0163 2015 GMC Sierra Description

The B0163 code for a 2015 GMC Sierra indicates a problem with the passenger compartment temperature sensor circuit. This sensor is responsible for monitoring the temperature inside the vehicle's cabin and sending this information to the HVAC (heating, ventilation, and air conditioning) system to regulate the interior climate. When this sensor circuit malfunctions, it can lead to inaccurate temperature readings, which may result in issues with the HVAC system's performance.

OBDII Code B0163 2015 GMC Sierra - Passenger Compartment Temperature Sensor Circuit
B0163 2015 GMC Sierra Code - Passenger Compartment Temperature Sensor Circuit

Common Causes of B0163 2015 GMC Sierra

  1. Faulty passenger compartment temperature sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or poor connections in the sensor circuit
  4. HVAC control module malfunction
  5. Electrical issues such as a blown fuse related to the sensor circuit

Symptoms of B0163 2015 GMC Sierra

  1. Inconsistent temperature readings on the HVAC display
  2. HVAC system blowing hot or cold air unexpectedly
  3. HVAC system not responding to temperature adjustments
  4. Cabin temperature feeling uncomfortable or not matching the set temperature
  5. HVAC system cycling on and off frequently

How to Fix B0163 2015 GMC Sierra

  1. Diagnose the issue by using a scan tool to retrieve the B0163 code and perform a visual inspection of the sensor, wiring, and connectors.
  2. Test the passenger compartment temperature sensor using a multimeter to check for proper resistance values.
  3. Inspect the wiring and connectors for any damage, corrosion, or loose connections, repairing or replacing as needed.
  4. If the sensor and wiring are in good condition, the HVAC control module may need to be replaced.
  5. Clear the B0163 code from the vehicle's computer after completing the repair and test the HVAC system to ensure proper operation.

Cost to Fix B0163 2015 GMC Sierra

The typical repair costs for addressing a B0163 code in a 2015 GMC Sierra can range from $150 to $400, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's recommended to inquire about local rates for a more accurate estimate. Keep in mind that rates at dealerships or in metropolitan areas may be higher, while independent shops often offer more competitive pricing.

What does this mean?

Tech Notes for B0163 2015 GMC Sierra

B0163:02 Passenger Compartment Temperature Sensor Circuit Short to Ground

B0163:05 Passenger Compartment Temperature Sensor Circuit Short to Battery or Open

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B0163 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B0163 in a 2015 GMC Sierra related to the Passenger Compartment Temperature Sensor Circuit?

- Common symptoms include inaccurate interior temperature readings on the climate control system, inconsistent air conditioning performance, or a malfunctioning heater.

2. What are the possible causes of OBDII code B0163 in a 2015 GMC Sierra?

- The code B0163 in a 2015 GMC Sierra is often caused by a faulty passenger compartment temperature sensor, damaged wiring or connectors, or a malfunctioning climate control module.

3. How can I diagnose the issue causing OBDII code B0163 in my 2015 GMC Sierra?

- To diagnose the problem, you can use a diagnostic scanner to read the code, inspect the passenger compartment temperature sensor and its connections, and perform a thorough check of the climate control system.

4. Can I still drive my 2015 GMC Sierra with OBDII code B0163?

- It is generally safe to drive the vehicle with this code, but it is recommended to have the issue diagnosed and repaired to ensure proper functioning of the climate control system.

5. How can I repair OBDII code B0163 in my 2015 GMC Sierra related to the Passenger Compartment Temperature Sensor Circuit?

- Repairing the code may involve replacing the passenger compartment temperature sensor, repairing damaged wiring or connectors, or reprogramming the climate control module.

6. Are there any do-it-yourself tips for fixing OBDII code B0163 in a 2015 GMC Sierra?

- DIY tips include checking for loose connections, ensuring the sensor is free of debris or obstructions, and following a repair manual for proper sensor replacement.

7. Is it necessary to reset the OBDII system after repairing code B0163 in a 2015 GMC Sierra?

- Yes, it is recommended to clear the code and reset the OBDII system after repairing the issue to ensure the repair was successful and to turn off the check engine light.

8. How much does it typically cost to repair OBDII code B0163 in a 2015 GMC Sierra at a mechanic or dealership?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can extreme temperatures or weather conditions trigger OBDII code B0163 in a 2015 GMC Sierra?

- Yes, extreme temperatures or weather conditions can sometimes affect the performance of the passenger compartment temperature sensor and lead to the triggering of code B0163.

10. Will OBDII code B0163 in a 2015 GMC Sierra affect the overall performance of the vehicle?

- While the code may not directly impact the drivability of the vehicle, it can affect the comfort level inside the cabin and the functionality of the climate control system.

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