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Engine-Codes – GMC – B2242 GMC

B2242 GMC Code - Memory 1 Switch Fault

Quick Answer

The B2242 GMC code indicates a Memory 1 Switch Fault, which typically points to an issue with the memory switch in the vehicle's electronic control module (ECM). Common causes include Faulty memory switch, Wiring issues or loose connections in the memory switch circuit, ECM malfunction affecting the memory switch operation. 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
B2242 GMC indicates Memory 1 Switch Fault.
Common causes
Common causes include Faulty memory switch, Wiring issues or loose connections in the memory switch circuit, ECM malfunction affecting the memory switch operation.
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 B2242 GMC Description

The B2242 GMC code indicates a Memory 1 Switch Fault, which typically points to an issue with the memory switch in the vehicle's electronic control module (ECM). The memory switch is responsible for storing and recalling various settings and data related to the vehicle's operation, such as seat positions, mirror adjustments, radio presets, and more. When this switch malfunctions, it can lead to a range of issues affecting the vehicle's performance and functionality.

OBDII Code B2242 GMC - Memory 1 Switch Fault
B2242 GMC Code - Memory 1 Switch Fault

Common Causes of B2242 GMC

  1. Faulty memory switch.
  2. Wiring issues or loose connections in the memory switch circuit.
  3. ECM malfunction affecting the memory switch operation.
  4. Water or moisture damage to the memory switch components.
  5. Wear and tear over time leading to degradation of the memory switch functionality.

Symptoms of B2242 GMC

  1. Inability to save or recall seat positions.
  2. Radio presets not being saved or recalled correctly.
  3. Side mirrors not adjusting to the saved positions.
  4. Erratic behavior of the memory function, such as settings changing on their own.
  5. Dashboard warning light related to memory switch fault.

How to Fix B2242 GMC

  1. Begin by conducting a thorough diagnostic scan to confirm the B2242 GMC code and pinpoint the exact source of the Memory 1 Switch Fault.
  2. Inspect the memory switch and its wiring for any visible damage, corrosion, or loose connections. Repair or replace any faulty components as needed.
  3. Test the memory switch functionality by attempting to save and recall various settings to ensure proper operation.
  4. If the issue persists, consider checking the ECM for any malfunctions that may be affecting the memory switch. Repair or replace the ECM if necessary.
  5. Clear the diagnostic trouble codes from the vehicle's system and perform a final test drive to verify that the Memory 1 Switch Fault has been successfully resolved.

Cost to Fix B2242 GMC

The typical repair costs for addressing a Memory 1 Switch Fault can vary depending on the extent of the issue and the specific components that need to be repaired or replaced. In general, the cost of parts for a memory switch replacement can range from $50 to $200, while labor costs may add an additional $100 to $200 to the total repair bill. Overall, the total cost of resolving this issue could fall within the range of $150 to $400, excluding any diagnostic fees or additional services.

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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 B2242 GMC Code

1. What are the common symptoms of OBDII code B2242 GMC (Memory 1 Switch Fault)?

The common symptoms of code B2242 include difficulty starting the vehicle, intermittent electrical issues, and malfunctioning dashboard displays.

2. What causes the OBDII code B2242 GMC to trigger?

The B2242 code is typically triggered by a faulty memory switch in the vehicle's electronic control module (ECM).

3. How can I diagnose the Memory 1 Switch Fault associated with code B2242?

Diagnosing the Memory 1 Switch Fault involves using an OBDII scanner to retrieve the specific trouble code, followed by inspecting the memory switch and related wiring for any signs of damage or corrosion.

4. Can a DIY enthusiast repair the Memory 1 Switch Fault causing code B2242?

If you have experience in automotive electrical systems, you may be able to replace the faulty memory switch yourself. However, it's recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Are there any temporary fixes for the Memory 1 Switch Fault code B2242?

Temporary fixes such as resetting the ECM by disconnecting the battery may clear the code temporarily, but the issue is likely to resurface until the underlying problem is resolved.

6. How much does it typically cost to repair the Memory 1 Switch Fault related to code B2242?

The cost of repairing the Memory 1 Switch Fault can vary depending on the extent of the damage and the labor rates in your area. Expect to pay anywhere from $100 to $300 for parts and labor.

7. Can driving with the OBDII code B2242 (Memory 1 Switch Fault) cause further damage to the vehicle?

Continued driving with the B2242 code may lead to more severe electrical issues and potential damage to other components connected to the memory switch.

8. Is it safe to ignore the OBDII code B2242 GMC (Memory 1 Switch Fault) warning light?

Ignoring the B2242 warning light is not recommended, as it indicates a fault in the vehicle's electronic system that may impact its performance and reliability.

9. How long does it typically take to repair the Memory 1 Switch Fault triggering code B2242?

The repair time for the Memory 1 Switch Fault can vary depending on the accessibility of the memory switch and the complexity of the repair process. It usually takes a professional mechanic around 1-2 hours to complete the repair.

10. Can a dealership or auto repair shop reset the OBDII code B2242 (Memory 1 Switch Fault) without fixing the underlying issue?

Resetting the B2242 code without addressing the root cause, such as a faulty memory switch, will only temporarily clear the warning light and will not solve the underlying problem.

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