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Engine-Codes – GMC – B2228 GMC

B2228 GMC Code - Mirror Left Switch Fault

Quick Answer

The B2228 GMC code indicates a Mirror Left Switch Fault, which means that there is a malfunction in the left mirror switch of the vehicle. Common causes include Faulty left mirror switch, Wiring issues in the mirror switch circuit, Corrosion or damage to the electrical connections. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B2228 GMC indicates Mirror Left Switch Fault.
Common causes
Common causes include Faulty left mirror switch, Wiring issues in the mirror switch circuit, Corrosion or damage to the electrical connections.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
What is this?
Table of contents Created and updated by William Orellana on Sep 13, 2024
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Code B2228 GMC Description

The B2228 GMC code indicates a Mirror Left Switch Fault, which means that there is a malfunction in the left mirror switch of the vehicle. This code is typically found in GMC vehicles and can affect the functionality of the mirror adjustment system. The left mirror switch is responsible for controlling the movement of the left side mirror, allowing the driver to adjust the mirror to their preferred position for optimal visibility.

OBDII Code B2228 GMC - Mirror Left Switch Fault
B2228 GMC Code - Mirror Left Switch Fault

Common Causes of B2228 GMC

  1. Faulty left mirror switch
  2. Wiring issues in the mirror switch circuit
  3. Corrosion or damage to the electrical connections
  4. Water damage to the mirror switch
  5. General wear and tear over time

Symptoms of B2228 GMC

  1. Inability to adjust the left side mirror
  2. Left side mirror stuck in one position
  3. Erratic movement of the left side mirror
  4. Illumination of the mirror adjustment control light on the dashboard

How to Fix B2228 GMC

  1. Begin by diagnosing the issue using a diagnostic scanner to retrieve the B2228 GMC code and confirm the left mirror switch fault.
  2. Inspect the left mirror switch for any visible damage or signs of wear. Replace the switch if necessary.
  3. Check the wiring and electrical connections related to the mirror switch for any corrosion or damage. Repair or replace as needed.
  4. Test the mirror adjustment system to ensure that the left mirror switch is functioning correctly and the mirror can be adjusted smoothly.
  5. Clear the B2228 GMC code from the vehicle's system using the diagnostic scanner to reset the error code and verify that the issue has been resolved.

Cost to Fix B2228 GMC

The typical repair costs for addressing a Mirror Left Switch Fault can vary depending on the extent of the issue and the specific repairs needed. On average, the parts for replacing a faulty mirror switch can range from $50 to $150, while the labor costs can range from $80 to $150 per hour. The total cost of the repair can therefore range from $150 to $400 or more, depending on the specific circumstances of the vehicle and the repair shop's rates. It is recommended to obtain quotes from local auto repair shops to get a more accurate estimate based on your vehicle's make and model.

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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 B2228 GMC Code

1. What are the common symptoms of OBDII code B2228 GMC (Mirror Left Switch Fault)?

The common symptoms include non-functional or erratic operation of the left mirror switch, inability to adjust the left side mirror, and potential issues with other mirror functions.

2. What are the possible causes of OBDII code B2228 GMC?

Possible causes of this code include a faulty left mirror switch, damaged wiring or connectors related to the left mirror switch, or a malfunctioning mirror control module.

3. How can I diagnose the Mirror Left Switch Fault code B2228 in my GMC vehicle?

Diagnosing this code typically involves checking the electrical connections to the left mirror switch, testing the switch itself for proper functionality, and inspecting the mirror control module for any issues.

4. Can a DIY enthusiast repair OBDII code B2228 GMC at home?

Depending on your level of automotive expertise, you may be able to replace the left mirror switch or repair damaged wiring at home. However, complex electrical diagnostics or module replacements may require professional assistance.

5. Should I be concerned about driving my GMC with the Mirror Left Switch Fault code B2228?

While the code may not affect the drivability of your vehicle, it is important to address the issue to ensure proper functionality of your mirror adjustments and other related systems.

6. Is it possible to reset the OBDII code B2228 GMC without fixing the underlying issue?

Resetting the code without addressing the root cause, such as a faulty switch or wiring, may temporarily clear the error code but will likely result in the code reappearing once the issue persists.

7. How much does it typically cost to repair OBDII code B2228 GMC at a dealership or repair shop?

The cost of repairing this code can vary depending on the specific cause and required repairs. It is recommended to obtain quotes from different service providers for an accurate estimate.

8. Can a faulty mirror control module cause OBDII code B2228 GMC to appear?

Yes, a malfunctioning mirror control module can trigger the Mirror Left Switch Fault code B2228 in your GMC vehicle, indicating a problem with the left mirror switch operation.

9. Are there any preventive measures to avoid encountering OBDII code B2228 GMC in the future?

Regularly checking and maintaining the electrical components related to your mirror switches, such as keeping connectors clean and ensuring proper wiring integrity, can help prevent issues that lead to this fault code.

10. Will fixing OBDII code B2228 GMC require specialized tools or equipment?

Repairing this code may require basic electrical diagnostic tools, such as a multimeter, and potentially specialized tools for accessing and replacing components within the mirror switch system.

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