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Engine-Codes – Generic – B1535

B1535 Code - Memory 2 Switch Circuit Failure

Quick Answer

The B1535 diagnostic trouble code (DTC) refers to a Memory 2 Switch Circuit Failure. Common causes include Damaged wiring or connectors in the Memory 2 switch circuit, Faulty Memory 2 switch, Malfunctioning control module managing Memory 2 data. 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
B1535 indicates Memory 2 Switch Circuit Failure.
Common causes
Common causes include Damaged wiring or connectors in the Memory 2 switch circuit, Faulty Memory 2 switch, Malfunctioning control module managing Memory 2 data.
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 B1535 Description

The B1535 diagnostic trouble code (DTC) refers to a Memory 2 Switch Circuit Failure. This code indicates that there is a malfunction in the circuit responsible for storing and retrieving data in Memory 2, which is typically used for storing secondary vehicle settings or information. The Memory 2 switch circuit is crucial for accessing and updating this data, and when it fails, it can lead to various issues with the vehicle's systems.

OBDII Code B1535 - Memory 2 Switch Circuit Failure
B1535 Code - Memory 2 Switch Circuit Failure

Common Causes of B1535

  1. Damaged wiring or connectors in the Memory 2 switch circuit.
  2. Faulty Memory 2 switch.
  3. Malfunctioning control module managing Memory 2 data.
  4. Corrosion or poor connections in the circuit.

Symptoms of B1535

  1. Inability to retain radio presets or other customizable settings.
  2. Intermittent issues with seat memory functions.
  3. Climate control settings not saving properly.
  4. Dashboard warning lights related to memory or electrical system.

How to Fix B1535

  1. Begin by conducting a thorough inspection of the Memory 2 switch circuit, checking for any visible damage or corrosion.
  2. Test the Memory 2 switch and related components to determine if they are functioning correctly.
  3. Use a multimeter to check for continuity and proper voltage in the circuit.
  4. Replace any damaged wiring, connectors, or components as needed.
  5. Clear the DTC and perform a test drive to ensure the issue has been resolved.

Cost to Fix B1535

The typical repair costs for addressing a Memory 2 Switch Circuit Failure can vary depending on the extent of the damage and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $50 to $200, while labor costs may add an additional $100 to $300. Overall, the total repair cost for this issue is likely to fall between $150 and $500, but it's important to note that prices can vary based on factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to obtain quotes from local auto repair shops for a more accurate estimate.

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Code B1535 Information for Specific Makes

  • B1535 Buick — Right Rear Door Handle Switch Circuit Short To Ground
  • B1535 Cadillac — Right Rear Door Handle Switch Circuit Short To Ground
  • B1535 Chevrolet — Right Rear Door Handle Switch Circuit Short To Ground
  • B1535 GMC — Right Rear Door Handle Switch Circuit Short To Ground
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 B1535 Code

1. What are common symptoms of OBDII code B1535 (Memory 2 Switch Circuit Failure)?

Symptoms may include issues with power seat memory settings, malfunctioning seat adjustments, and warning lights on the dashboard.

2. What can cause the OBDII code B1535 to trigger?

This code is typically triggered by a fault in the memory 2 switch circuit, which can be caused by damaged wiring, faulty connections, or a defective memory switch.

3. How is the Memory 2 Switch Circuit Failure diagnosed?

Diagnosis usually involves using a diagnostic scanner to retrieve the specific trouble code and then conducting a visual inspection of the wiring and components associated with the memory 2 switch.

4. Can I still drive my vehicle with code B1535 present?

While it may be possible to drive the vehicle with this code, it is recommended to address the issue promptly to prevent further electrical problems or safety concerns related to the power seat functions.

5. How can I repair OBDII code B1535?

Repair options may include repairing or replacing damaged wiring, fixing faulty connections, or replacing the memory switch itself. It's best to consult a professional for an accurate diagnosis and repair.

6. Is OBDII code B1535 a serious issue?

Although it may not affect the drivability of the vehicle, unresolved issues with the memory switch circuit can lead to inconvenience and potential safety hazards, especially if the power seat functions are affected.

7. Can resetting the error codes fix B1535?

Simply clearing the error codes may temporarily remove the warning lights, but the underlying issue causing code B1535 will remain unresolved. It's important to address the root cause of the problem for a lasting solution.

8. Are there any DIY tips for troubleshooting B1535?

If you have experience with automotive electrical systems, you can start by checking the wiring and connections related to the memory switch for any visible damage or loose connections before seeking professional assistance.

9. Will B1535 affect other vehicle systems?

While OBDII code B1535 specifically relates to the memory switch circuit, electrical issues in one part of the vehicle can sometimes have a cascading effect on other systems, so it's best to address the problem promptly.

10. Can a malfunctioning memory switch cause B1535?

Yes, a malfunctioning memory switch can indeed cause code B1535 to trigger, as it disrupts the proper operation of the memory switch circuit, leading to a circuit failure indication in the vehicle's diagnostics.

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