B0179 Buick Code - Output Air Temperature Sensor 2 Circuit Range/Performance
Quick Answer
Air temperature sensors allow the Heating, Ventilation, and Air Conditioning (HVAC) Control Module to monitor the discharge duct air, outside air and inside air temperatures. Common causes include Faulty Output Air Temperature Sensor 2, Output Air Temperature Sensor 2 harness is open or shorted, Output Air Temperature Sensor 2 circuit poor electrical connection. 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
- B0179 Buick indicates Output Air Temperature Sensor 2 Circuit Range/Performance.
- Common causes
- Common causes include Faulty Output Air Temperature Sensor 2, Output Air Temperature Sensor 2 harness is open or shorted, Output Air Temperature Sensor 2 circuit poor electrical connection.
- 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.
Code B0179 Buick Description
What are the Possible Causes of the DTC B0179 Buick?
- Faulty Output Air Temperature Sensor 2
- Output Air Temperature Sensor 2 harness is open or shorted
- Output Air Temperature Sensor 2 circuit poor electrical connection
- Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module
How to Fix the DTC B0179 Buick?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B0179 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about B0179 Buick Code
1. What does the OBDII code B0179 mean on a Buick?
Code B0179 indicates an issue with the Output Air Temperature Sensor 2 Circuit, specifically a range or performance problem where the sensor's readings are outside the expected parameters.
2. What are the symptoms of a B0179 code in a Buick?
Symptoms may include erratic temperature readings, reduced HVAC performance, or the climate control system not functioning as expected.
3. What causes the B0179 code to appear?
Common causes include a faulty output air temperature sensor, damaged wiring or connectors, or a malfunctioning HVAC control module.
4. Can I still drive my Buick with a B0179 code?
Yes, the vehicle is typically safe to drive, but HVAC performance may be impaired, causing discomfort or inconvenience.
5. How do I diagnose the B0179 code?
Start by checking the sensor and its wiring for damage or corrosion. Use a multimeter to test sensor resistance and verify proper voltage at the connector.
6. How can I fix the B0179 code in my Buick?
Repairs may involve replacing the faulty temperature sensor, repairing or replacing damaged wiring, or reprogramming/updating the HVAC control module.
7. Where is the Output Air Temperature Sensor 2 located?
This sensor is typically located in the HVAC system, often near the air ducts or evaporator. Consult your vehicle's service manual for precise location details.
8. How much does it cost to fix a B0179 code on a Buick?
Repair costs vary but generally range from $50 to $300, depending on whether the issue is a simple sensor replacement or more complex wiring or module repair.
9. Can a B0179 code cause other problems in my Buick?
While the code primarily affects the HVAC system, prolonged neglect may lead to further discomfort or strain on related components.
10. Do I need to clear the B0179 code after repairs?
Yes, after completing repairs, use an OBDII scanner to clear the code and confirm that it does not return.
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