AutoCodes – Pontiac – B0249 Pontiac

B0249 Pontiac Code - Air Flow Control 3 Circuit Range

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: B0249 Pontiac indicates Air Flow Control 3 Circuit Range.
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 972

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 B0249 Pontiac 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 B0249 Pontiac - Air Flow Control 3 Circuit Range - AutoCodes.com — B0249 Pontiac Code - Air Flow Control 3 Circuit Range

What does this mean?

What are the Possible Causes of the DTC B0249 Pontiac?

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 B0249 Pontiac?

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 B0249 Pontiac 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 B0249 Pontiac 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 B0249 Pontiac Code

1. What are the common symptoms of OBDII code B0249 Pontiac related to Air Flow Control 3 Circuit Range?

- Common symptoms may include rough idling, poor engine performance, and potentially even stalling of the vehicle.

2. What can cause the OBDII code B0249 Pontiac to be triggered?

- The code B0249 Pontiac can be triggered by issues such as a faulty air flow control actuator, wiring problems, or a malfunctioning control module.

3. How can I diagnose the source of the OBDII code B0249 Pontiac related to Air Flow Control 3 Circuit Range?

- To diagnose the issue, you may need to perform a thorough inspection of the air flow control system, check the wiring for any damage, and test the components with a multimeter.

4. What are some common repair tips for addressing the OBDII code B0249 Pontiac?

- Some repair tips include checking and repairing any damaged wiring, replacing a faulty air flow control actuator, and clearing the code with an OBDII scanner after making repairs.

5. Can I drive my Pontiac with the OBDII code B0249 related to Air Flow Control 3 Circuit Range?

- It is not recommended to drive your vehicle with this code present, as it can lead to further damage and potentially unsafe driving conditions.

6. How much does it typically cost to repair the OBDII code B0249 Pontiac?

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

7. Will disconnecting the battery reset the OBDII code B0249 Pontiac?

- Disconnecting the battery may temporarily clear the code, but it is recommended to address the underlying issue causing the code to prevent it from reoccurring.

8. Is the OBDII code B0249 Pontiac related to Air Flow Control 3 Circuit Range a serious problem?

- While the severity can vary, it is important to address this code promptly to prevent potential damage to the engine and ensure proper vehicle performance.

9. How long does it usually take to repair the OBDII code B0249 Pontiac?

- The repair time can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day to complete the repair.

10. Can I use a DIY approach to fix the OBDII code B0249 Pontiac related to Air Flow Control 3 Circuit Range?

- Depending on your skill level and access to tools, you may be able to address some aspects of the issue yourself, but complex repairs may require professional assistance.