AutoCodes – Chevrolet – B0514 Chevrolet

B0514 Chevrolet Code - Output Air Temperature Sensor 4 Circuit

Quick Answer

Air temperature sensors allow the Heating, Ventilation, and Air Conditioning (HVAC) Control Module to monitor the temperature of the discharge air in the HVAC ducts. Common causes include Faulty Output Air Temperature Sensor 4, Output Air Temperature Sensor 4 harness is open or shorted, Output Air Temperature Sensor 4 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: B0514 Chevrolet indicates Output Air Temperature Sensor 4 Circuit.
Common causes: Common causes include Faulty Output Air Temperature Sensor 4, Output Air Temperature Sensor 4 harness is open or shorted, Output Air Temperature Sensor 4 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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 3,411

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Mar 11, 2021

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code B0514 Chevrolet Description

Air 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.

OBDII Code B0514 Chevrolet - Output Air Temperature Sensor 4 Circuit - AutoCodes.com — B0514 Chevrolet Code - Output Air Temperature Sensor 4 Circuit

What does this mean?

What are the Possible Causes of the DTC B0514 Chevrolet?

Faulty Output Air Temperature Sensor 4
Output Air Temperature Sensor 4 harness is open or shorted
Output Air Temperature Sensor 4 circuit poor electrical connection
Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module

How to Fix the DTC B0514 Chevrolet?

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 does this mean?

Code Tech Notes

B0514 05: Output Air Temperature Sensor 4 Circuit Short to Battery or Open
B0514 02: Output Air Temperature Sensor 4 Circuit Short to Ground

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0514 Chevrolet 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.

Need more information about the B0514 Chevrolet code?

Need more information on how to fix the B0514 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0514 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 B0514 Chevrolet Code

1. What are the common symptoms of OBDII code B0514 related to Output Air Temperature Sensor 4 Circuit?

The common symptoms include poor air conditioning performance, inaccurate temperature readings on the dashboard, and potential illumination of the Check Engine Light.

2. What are the possible causes of OBDII code B0514 in a Chevrolet related to the Output Air Temperature Sensor 4 Circuit?

Possible causes may include a faulty output air temperature sensor, damaged wiring or connector, corrosion in the sensor circuit, or issues with the HVAC system.

3. How can I diagnose OBDII code B0514 Chevrolet related to the Output Air Temperature Sensor 4 Circuit?

To diagnose this code, you can use an OBDII scanner to retrieve the specific diagnostic trouble code, visually inspect the sensor and its connections for any visible damage, and perform electrical testing to check for continuity and proper voltage.

4. Can I drive my Chevrolet with OBDII code B0514 related to the Output Air Temperature Sensor 4 Circuit?

It is generally safe to drive your vehicle with this code, but it is recommended to have the issue diagnosed and repaired as soon as possible to prevent further damage to the HVAC system.

5. How can I repair OBDII code B0514 Output Air Temperature Sensor 4 Circuit in a Chevrolet?

Repair options may include replacing the faulty output air temperature sensor, repairing or replacing damaged wiring or connectors, cleaning corrosion from sensor connections, or addressing any underlying HVAC system issues.

6. Is it possible to reset OBDII code B0514 related to the Output Air Temperature Sensor 4 Circuit in a Chevrolet without repairing the issue?

While clearing the code may temporarily turn off the Check Engine Light, the underlying problem will persist. It is recommended to diagnose and repair the issue to prevent further complications.

7. How much does it typically cost to repair OBDII code B0514 Output Air Temperature Sensor 4 Circuit in a Chevrolet?

The cost of repair can vary depending on the specific issue causing the code, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to get a diagnostic and repair estimate from a qualified technician.

8. Can a DIY enthusiast fix OBDII code B0514 Output Air Temperature Sensor 4 Circuit in a Chevrolet?

Depending on their skill level and access to tools, a DIY enthusiast may be able to address simpler causes like sensor replacement or basic wiring repairs. However, complex issues may require professional diagnosis and repair.

9. How long does it take to repair OBDII code B0514 Output Air Temperature Sensor 4 Circuit in a Chevrolet?

The repair time can vary based on the specific cause of the code, the availability of parts, and the expertise of the technician. Simple repairs may take an hour or two, while more complex issues could take longer.

10. Are there any preventive maintenance tips to avoid OBDII code B0514 related to the Output Air Temperature Sensor 4 Circuit in a Chevrolet?

Regularly inspecting the HVAC system, checking sensor connections for corrosion, and addressing any unusual temperature readings promptly can help prevent issues leading to this OBDII code.