AutoCodes – Generic – B1535

B1535 Code - Memory 2 Switch Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Memory 2 Switch. Common causes include Faulty Memory 2 Switch, Memory 2 Switch harness is open or shorted, Memory 2 Switch circuit poor electrical connection. 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 Faulty Memory 2 Switch, Memory 2 Switch harness is open or shorted, Memory 2 Switch circuit poor electrical connection.
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.

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Code Popularity 7,400

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1535 Description

The Body Control Module (BCM) monitors the Memory 2 Switch. The BCM sets the OBDII code when the Memory 2 Switch is not to factory specifications.

OBDII Code B1535 - Memory 2 Switch Circuit Failure - AutoCodes.com — B1535 Code - Memory 2 Switch Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B1535?

Faulty Memory 2 Switch
Memory 2 Switch harness is open or shorted
Memory 2 Switch circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1535?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1535 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the B1535 code?

Need more information on how to fix the B1535 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1535 code diagnosed by a professional: Find a repair shop in your area

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.