AutoCodes – Generic – B1538

B1538 Code - Memory 2 Switch Circuit Short To Ground

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: B1538 indicates Memory 2 Switch Circuit Short To Ground.
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 5,309

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 B1538 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 B1538 - Memory 2 Switch Circuit Short To Ground - AutoCodes.com — B1538 Code - Memory 2 Switch Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1538?

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 B1538?

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 B1538 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 B1538 code?

Need more information on how to fix the B1538 code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B1538 Code

1. What are the common symptoms of OBDII code B1538 Memory 2 Switch Circuit Short To Ground?

- Common symptoms include issues with power seat memory functions, such as the seat not adjusting to programmed positions or resetting unexpectedly.

2. What can cause the Memory 2 Switch Circuit Short To Ground error code?

- Possible causes include damaged wiring, a short circuit in the memory switch circuit, a faulty memory switch module, or a malfunctioning control module.

3. How can I diagnose the Memory 2 Switch Circuit Short To Ground issue?

- Diagnosis typically involves inspecting the wiring harness for damage, testing the memory switch and control module for proper operation, and using a scan tool to read the OBDII codes.

4. Can I repair the Memory 2 Switch Circuit Short To Ground problem myself?

- Repairing this issue may require advanced automotive electrical knowledge and tools. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Is it safe to drive with the B1538 code present in my vehicle?

- While the B1538 code may not directly affect the drivability of the vehicle, it is essential to address the underlying issue promptly to prevent further electrical problems.

6. How much does it typically cost to fix the Memory 2 Switch Circuit Short To Ground error?

- Repair costs can vary depending on the exact cause of the issue and the labor rates in your area. It is advisable to get quotes from several mechanics to compare prices.

7. Can resetting the OBDII code B1538 fix the problem temporarily?

- Resetting the code may temporarily clear the error, but if the underlying issue is not addressed, the code is likely to reappear. It's best to diagnose and repair the root cause.

8. Will disconnecting the battery reset the B1538 code?

- Disconnecting the battery may reset the code temporarily, but it will also clear other important vehicle settings. It's recommended to use a scan tool for a more targeted reset.

9. Are there any preventive measures to avoid the Memory 2 Switch Circuit Short To Ground issue?

- Regularly inspecting the wiring harness for wear and tear, avoiding water damage to electrical components, and addressing any electrical issues promptly can help prevent this problem.

10. Can a faulty memory switch cause other electrical issues in the vehicle?

- A faulty memory switch can potentially cause other electrical issues or malfunctions in the vehicle, as it is part of the overall electrical system. It's best to address any problems promptly.