AutoCodes – Buick – B0267 Buick

B0267 Buick Code - Air Flow Control 6 Circuit Open

Quick Answer

Stepper motors are used for temperature regulation, air distribution control and recirculation door control. Common causes include Faulty Mode Actuator, Mode Actuator harness is open or shorted, Mode Actuator 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: B0267 Buick indicates Air Flow Control 6 Circuit Open.
Common causes: Common causes include Faulty Mode Actuator, Mode Actuator harness is open or shorted, Mode Actuator 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.

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Code Popularity 778

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 10, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B0267 Buick Description

Stepper motors are used for temperature regulation, air distribution control and recirculation door control. With the switches and dials on the HVAC controls, air temperature door position, mode door position and recirculation door position can be selected. The selected values are passed to the Heating, Ventilation, and Air Conditioning (HVAC) Control Module via serial data. The HVAC control module supplies a 12 V reference voltage to the stepper motors and energizes the 4 stepper motor coils with a pulsed ground signal. The stepper motors move the appropriate doors into the calculated positions, in order to reach the desired positions.

OBDII Code B0267 Buick - Air Flow Control 6 Circuit Open - AutoCodes.com — B0267 Buick Code - Air Flow Control 6 Circuit Open

What does this mean?

What are the Possible Causes of the DTC B0267 Buick?

Faulty Mode Actuator
Mode Actuator harness is open or shorted
Mode Actuator circuit poor electrical connection
Faulty Heating, Ventilation, and Air Conditioning (HVAC) Control Module

How to Fix the DTC B0267 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 B0267 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.

Need more information about the B0267 Buick code?

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Need Help with the Code?

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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 B0267 Buick Code

1. What are the common symptoms of OBDII code B0267 in a Buick related to the Air Flow Control 6 Circuit Open?

- Common symptoms include rough idling, poor engine performance, reduced fuel efficiency, and in some cases, the Check Engine light may illuminate.

2. What are the possible causes of OBDII code B0267 in a Buick indicating an Air Flow Control 6 Circuit Open?

- The code B0267 in a Buick can be caused by issues such as a faulty air flow control valve, a damaged wiring harness, poor electrical connections, or a problem with the PCM.

3. How can I diagnose the OBDII code B0267 in my Buick related to the Air Flow Control 6 Circuit Open?

- Diagnosis typically involves using a scan tool to read the code, inspecting the air flow control system components, checking the wiring for any damage, and testing the electrical connections for proper continuity.

4. What are some repair tips for addressing OBDII code B0267 in a Buick indicating an Air Flow Control 6 Circuit Open?

- Repair tips may include replacing the faulty air flow control valve, repairing or replacing damaged wiring, ensuring all electrical connections are secure, and resetting the fault code after repairs are completed.

5. Is it safe to continue driving my Buick with OBDII code B0267 related to the Air Flow Control 6 Circuit Open?

- It is not recommended to continue driving your Buick with this code present, as it can lead to further engine damage and potential safety hazards. It's best to address the issue promptly.

6. Can I reset the OBDII code B0267 in my Buick indicating an Air Flow Control 6 Circuit Open on my own?

- You can attempt to reset the code using a scan tool or by disconnecting the car's battery for a few minutes. However, it's important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

7. How much does it typically cost to repair OBDII code B0267 in a Buick related to the Air Flow Control 6 Circuit Open?

- Repair costs can vary depending on the specific cause of the issue, but typically, you can expect to pay for parts and labor, which may range from $100 to $300 or more.

8. Can a DIY enthusiast fix OBDII code B0267 in a Buick indicating an Air Flow Control 6 Circuit Open?

- Depending on your skill level and access to tools, some DIY enthusiasts may be able to address this code by following repair guides and videos. However, if you're unsure, it's best to consult a professional mechanic.

9. Are there any preventive measures to avoid OBDII code B0267 in a Buick related to the Air Flow Control 6 Circuit Open?

- Regular maintenance, such as keeping the air flow control system clean and checking for any signs of wear or damage, can help prevent issues that may trigger this code.

10. How long does it take to repair OBDII code B0267 Buick Air Flow Control 6 Circuit Open?

- The repair time can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, it may take a few hours to a full day for a mechanic to diagnose and fix the problem.