AutoCodes – GMC – B0202 GMC

B0202 GMC Code - Front Blower Motor Power Circuit Open

Quick Answer

The Heating, Ventilation, and Air Conditioning (HVAC) Control Module monitors the Front Blower Motor. Common causes include Faulty Front Blower Motor, Front Blower Motor harness is open or shorted, Front Blower Motor 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: B0202 GMC indicates Front Blower Motor Power Circuit Open.
Common causes: Common causes include Faulty Front Blower Motor, Front Blower Motor harness is open or shorted, Front Blower Motor 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 1,102

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 B0202 GMC Description

The Heating, Ventilation, and Air Conditioning (HVAC) Control Module monitors the Front Blower Motor. The HVAC sets the OBDII code when the Front Blower Motor is not to factory specifications.

OBDII Code B0202 GMC - Front Blower Motor Power Circuit Open - AutoCodes.com — B0202 GMC Code - Front Blower Motor Power Circuit Open

What does this mean?

What are the Possible Causes of the DTC B0202 GMC?

Faulty Front Blower Motor
Front Blower Motor harness is open or shorted
Front Blower Motor circuit poor electrical connection

How to Fix the DTC B0202 GMC?

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 B0202 GMC 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 B0202 GMC code?

Need more information on how to fix the B0202 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0202 GMC 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 B0202 GMC Code

1. What are the common symptoms of OBDII code B0202 GMC (Front Blower Motor Power Circuit Open)?

The common symptoms include a non-functioning front blower motor, lack of airflow from the HVAC system, and the inability to adjust fan speed.

2. What can cause the OBDII code B0202 GMC to trigger?

The code B0202 GMC is typically triggered by a malfunction in the front blower motor power circuit, such as a damaged wiring harness, blown fuse, or a faulty blower motor resistor.

3. How serious is the OBDII code B0202 GMC (Front Blower Motor Power Circuit Open)?

While the code itself does not pose a safety risk, having a non-functioning blower motor can impact the comfort and functionality of your vehicle's HVAC system, especially in extreme weather conditions.

4. What should I do if I encounter the OBDII code B0202 GMC?

If you encounter the code B0202 GMC, it is recommended to inspect the front blower motor circuit for any visible damage, check the fuse related to the blower motor, and test the blower motor resistor for proper functionality.

5. Can I still drive my vehicle with the OBDII code B0202 GMC?

It is not advisable to drive your vehicle with the code B0202 GMC, as the lack of proper HVAC system functioning can make driving uncomfortable or even unsafe in certain conditions.

6. How can I repair the OBDII code B0202 GMC (Front Blower Motor Power Circuit Open)?

To repair the code B0202 GMC, you may need to replace a damaged wiring harness, a blown fuse, or a faulty blower motor resistor. It is recommended to consult a professional mechanic for an accurate diagnosis and repair.

7. Is it possible to reset the OBDII code B0202 GMC without fixing the underlying issue?

While you can clear the code using an OBDII scanner, it is crucial to address the underlying issue causing the code to prevent it from reoccurring and ensure proper functioning of the blower motor.

8. How much does it cost to repair the OBDII code B0202 GMC?

The cost of repairing the OBDII code B0202 GMC can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed.

9. Can extreme weather conditions affect the likelihood of the OBDII code B0202 GMC occurring?

Extreme weather conditions, such as excessive heat or moisture, can potentially exacerbate existing issues in the front blower motor power circuit, leading to the triggering of the code B0202 GMC.

10. Are there any preventive maintenance steps I can take to avoid the OBDII code B0202 GMC?

Regularly inspecting the condition of the front blower motor circuit, ensuring proper electrical connections, and addressing any issues promptly can help prevent the occurrence of the OBDII code B0202 GMC.