AutoCodes – Generic – B0202

B0202 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 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 3,349

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

What does this mean?

What are the Possible Causes of the DTC B0202?

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?

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 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 code?

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

Need Help with the Code?

Get the B0202 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B0202 Buick — Front Blower Motor Power Circuit Open
B0202 Cadillac — Front Blower Motor Power Circuit Open
B0202 Chevrolet — Front Blower Motor Power Circuit Open
B0202 GMC — Front Blower Motor Power Circuit Open

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 Code

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

- Common symptoms include the front blower motor not working at all, no air coming from the vents, and a lack of heating or cooling inside the vehicle.

2. What are the possible causes of OBDII code B0202?

- The possible causes of code B0202 include a blown fuse, a faulty blower motor, a damaged blower motor resistor, or a wiring issue in the power circuit.

3. How can I diagnose the Front Blower Motor Power Circuit Open issue?

- You can start by checking the fuse related to the blower motor, inspecting the wiring for any visible damage, testing the blower motor for proper operation, and using a multimeter to check for continuity in the circuit.

4. Can I still drive my vehicle with OBDII code B0202?

- It is not recommended to drive your vehicle with a front blower motor power circuit open issue, as it can lead to discomfort due to lack of heating, cooling, or ventilation inside the cabin.

5. How can I repair OBDII code B0202 - Front Blower Motor Power Circuit Open?

- Repairing this issue involves identifying the root cause (fuse, blower motor, resistor, or wiring), replacing any faulty components, and ensuring proper connection and functionality of the blower motor circuit.

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

- While you can clear the error code with an OBDII scanner, it is crucial to address the root cause of the problem to prevent the code from reoccurring and to ensure proper functioning of the blower motor.

7. Are there any preventive measures to avoid OBDII code B0202 in the future?

- Regularly inspecting and maintaining the blower motor system, checking the fuses, and addressing any unusual noises or lack of airflow promptly can help prevent issues that lead to code B0202.

8. Can a DIY enthusiast fix OBDII code B0202 at home?

- Depending on your skills and tools, you may be able to diagnose and repair code B0202 at home. However, if you are unsure or inexperienced, it may be best to seek professional help to avoid causing further damage.

9. What is the typical cost to repair OBDII code B0202 at a repair shop?

- The cost of repairing OBDII code B0202 can vary depending on the root cause of the issue, the cost of replacement parts, and the labor rates of the repair shop. It is advisable to get a diagnosis and quote from a trusted mechanic.

10. Can OBDII code B0202 affect other systems in the vehicle?

- While code B0202 specifically relates to the front blower motor power circuit, issues in this system can impact overall comfort and safety inside the vehicle, making it essential to address the problem promptly.