Engine-CodesGMC – B2757 GMC

B2757 GMC Code - Memory 1 Select Switch Circuit Low

Quick Answer

The B2757 GMC code indicates a problem with the Memory 1 Select Switch Circuit being detected as low. Common causes include Faulty Memory 1 Select Switch, Damaged wiring or connectors in the circuit, Loose connections in the circuit. 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
B2757 GMC indicates Memory 1 Select Switch Circuit Low.
Common causes
Common causes include Faulty Memory 1 Select Switch, Damaged wiring or connectors in the circuit, Loose connections in the circuit.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B2757 GMC Description

The B2757 GMC code indicates a problem with the Memory 1 Select Switch Circuit being detected as low. This switch is a part of the vehicle's memory system that allows drivers to save and recall preferred settings for features such as seat position, mirror adjustments, and radio presets. When this circuit is reading as low, it means that there is an issue with the switch or the wiring associated with it.

OBDII Code B2757 GMC - Memory 1 Select Switch Circuit Low
B2757 GMC Code - Memory 1 Select Switch Circuit Low

Common Causes of B2757 GMC

  1. Faulty Memory 1 Select Switch
  2. Damaged wiring or connectors in the circuit
  3. Loose connections in the circuit
  4. Malfunctioning driver's seat control module or body control module
  5. Corrosion or water damage affecting the circuit components

Symptoms of B2757 GMC

  1. Inability to save or recall memory settings
  2. Erratic behavior of memory functions
  3. Illumination of the "Memory" warning light on the dashboard
  4. Intermittent loss of power to memory-related components
  5. Malfunctioning of other electronic systems linked to the memory system

How to Fix B2757 GMC

  1. Begin by inspecting the Memory 1 Select Switch for any visible damage or signs of wear. Replace the switch if necessary.
  2. Check the wiring and connectors associated with the circuit for any breaks, fraying, or corrosion. Repair or replace damaged components.
  3. Ensure all connections are secure and properly seated in the driver's seat control module or body control module.
  4. Use a diagnostic scanner to clear the B2757 code from the vehicle's memory and test the memory system to verify that the issue has been resolved.
  5. If the problem persists, further diagnostic testing may be required to pinpoint the exact cause, such as testing the voltage and continuity of the circuit components.

Cost to Fix B2757 GMC

The typical repair costs for addressing a B2757 GMC code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, replacing a Memory 1 Select Switch or repairing wiring/connectors may range from $100 to $300, including parts and labor. However, additional costs may apply if a module replacement or more extensive diagnostics are required.

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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.

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