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Engine-Codes – GMC – B2755 2018 GMC Sierra

B2755 2018 GMC Sierra Code - Driver Memory Select Switch Circuit

Quick Answer

The B2755 trouble code in a 2018 GMC Sierra indicates a problem with the driver memory select switch circuit. Common causes include Faulty driver memory select switch, Loose or damaged wiring in the circuit, BCM malfunction. 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
B2755 2018 GMC Sierra indicates Driver Memory Select Switch Circuit.
Common causes
Common causes include Faulty driver memory select switch, Loose or damaged wiring in the circuit, BCM malfunction.
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 08, 2024
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Code B2755 2018 GMC Sierra Description

The B2755 trouble code in a 2018 GMC Sierra indicates a problem with the driver memory select switch circuit. This switch is responsible for storing and recalling the driver's preferred seat and mirror settings. When this circuit malfunctions, it can lead to issues with the vehicle's memory settings not being saved or recalled properly. This can result in inconvenience and discomfort for the driver, as they may have to manually adjust their seat and mirrors each time they enter the vehicle.

OBDII Code B2755 2018 GMC Sierra - Driver Memory Select Switch Circuit
B2755 2018 GMC Sierra Code - Driver Memory Select Switch Circuit

Common Causes of B2755 2018 GMC Sierra

  1. Faulty driver memory select switch
  2. Loose or damaged wiring in the circuit
  3. BCM malfunction
  4. Corrosion or damage to electrical connectors
  5. Software issues with the BCM

Symptoms of B2755 2018 GMC Sierra

  1. Check engine light is illuminated on the dashboard
  2. Driver memory settings are not saved or recalled properly
  3. Inability to adjust seat and mirror settings using the memory select switch
  4. Intermittent issues with the driver memory select switch functionality

How to Fix B2755 2018 GMC Sierra

  1. Begin by inspecting the driver memory select switch for any visible damage or malfunctions. Replace the switch if necessary.
  2. Check the wiring in the circuit for any loose connections or damage. Repair or replace any damaged wiring.
  3. Inspect the BCM for any signs of malfunction. If necessary, reprogram or replace the BCM.
  4. Clean any corrosion from electrical connectors and ensure proper connection.
  5. Clear the trouble code from the vehicle's memory using an OBD-II scanner.

Cost to Fix B2755 2018 GMC Sierra

The cost of repairing the driver memory select switch circuit can vary depending on the specific cause of the issue. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total cost of repairing this issue can be anywhere from $150 to $500. It's important to note that these are rough estimates, and actual costs may vary based on location, vehicle make and model, and the specific diagnosis and repair process needed.

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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 B2755 2018 GMC Sierra Code

1. What are common symptoms of OBDII code B2755 in a 2018 GMC Sierra related to the Driver Memory Select Switch Circuit?

The common symptoms include malfunctioning driver memory settings, inability to adjust seat and mirror positions, and issues with the memory seat function.

2. What are possible causes of OBDII code B2755 in a 2018 GMC Sierra?

Possible causes include a faulty driver memory select switch, damaged wiring or connectors in the circuit, a defective memory seat module, or a malfunctioning body control module.

3. How can I diagnose the issue causing OBDII code B2755 in my 2018 GMC Sierra?

You can diagnose the issue by inspecting the driver memory select switch for any visible damage, checking the wiring and connectors for continuity and proper connection, and using a diagnostic tool to scan for specific error codes.

4. Can I repair OBDII code B2755 in my 2018 GMC Sierra myself?

If you have the necessary tools, knowledge, and experience working with automotive electrical systems, you may be able to repair the issue yourself. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Is it safe to continue driving my 2018 GMC Sierra with OBDII code B2755?

While the vehicle may still be operational with this code present, it is not advisable to ignore it. Continuing to drive the vehicle without addressing the underlying issue can lead to further electrical problems or safety concerns.

6. How much does it typically cost to repair OBDII code B2755 in a 2018 GMC Sierra?

The cost of repair can vary depending on the specific cause of the issue. It may range from a simple switch replacement to more complex repairs involving module replacements or wiring repairs. It is best to obtain a professional diagnosis for an accurate estimate.

7. What steps should I take if OBDII code B2755 keeps recurring in my 2018 GMC Sierra after repair?

If the code keeps recurring after repair, it indicates that the underlying issue was not fully resolved. In such cases, it is recommended to revisit the repair process, recheck the components involved, and ensure proper installation and connections.

8. Can a faulty driver memory select switch cause other electrical issues in a 2018 GMC Sierra?

Yes, a faulty driver memory select switch can cause other electrical issues in the vehicle, especially if it is part of a larger circuit or system. It is important to address this issue promptly to prevent further complications.

9. Are there any preventive measures to avoid OBDII code B2755 in a 2018 GMC Sierra?

Regularly checking and maintaining the driver memory select switch, along with the associated wiring and connectors, can help prevent issues that may trigger OBDII code B2755. Additionally, following proper operating procedures can minimize the risk of electrical failures.

10. How long does it typically take to repair OBDII code B2755 in a 2018 GMC Sierra at a professional repair shop?

The repair time can vary depending on the complexity of the issue and the availability of parts. In general, a skilled mechanic may take a few hours to diagnose and repair the problem associated with OBDII code B2755 in a 2018 GMC Sierra.

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