AutoCodes – Lexus – B2506 Lexus

B2506 Lexus Code - Open In Luggage Door Drive Motor Right Circuit

Quick Answer

With the roof control switch being pressed, the Sliding Roof Control ECU operates the roof panel, luggage door and package tray (in that order). Common causes include Faulty Luggage Door Drive Motor Right, Luggage Door Drive Motor Right harness is open or shorted, Luggage Door Drive Motor Right 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
B2506 Lexus indicates Open In Luggage Door Drive Motor Right Circuit.
Common causes
Common causes include Faulty Luggage Door Drive Motor Right, Luggage Door Drive Motor Right harness is open or shorted, Luggage Door Drive Motor Right 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 783
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 22, 2019
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Code B2506 Lexus Description

With the roof control switch being pressed, the Sliding Roof Control ECU operates the roof panel, luggage door and package tray (in that order). The ECU operates the roof panel while adjusting the speed of the left and right motors.
OBDII Code B2506 Lexus - Open In Luggage Door Drive Motor Right Circuit - AutoCodes.com
B2506 Lexus Code - Open In Luggage Door Drive Motor Right Circuit

What are the Possible Causes of the DTC B2506 Lexus?

  • Faulty Luggage Door Drive Motor Right
  • Luggage Door Drive Motor Right harness is open or shorted
  • Luggage Door Drive Motor Right circuit poor electrical connection
  • Faulty Sliding Roof Control ECU

How to Fix the DTC B2506 Lexus?

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 B2506 Lexus 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.

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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 B2506 Lexus Code

1. What does the OBDII code B2506 mean on a Lexus?

B2506 indicates an open circuit in the right luggage door drive motor, which prevents the power-operated trunk or liftgate from functioning correctly.

2. What are the common symptoms of the B2506 code?

Symptoms include the right luggage door motor not operating, the trunk or liftgate failing to open or close automatically, and possibly an illuminated warning light on the dashboard.

3. What causes the B2506 code to appear?

Common causes include damaged or corroded wiring, a faulty luggage door drive motor, loose electrical connections, or a malfunctioning control module.

4. Can I still use my trunk manually if code B2506 is active?

Yes, the trunk or liftgate can usually be operated manually, but the automatic power function will not work until the issue is resolved.

5. How do you diagnose the B2506 code?

Technicians typically inspect the wiring and connectors for damage, test the luggage door drive motor for functionality, and check the control module for faults.

6. Is it safe to drive with the B2506 code active?

Yes, the vehicle is safe to drive, but the convenience of the power-operated trunk or liftgate will be lost until the issue is repaired.

7. How much does it cost to fix the B2506 code on a Lexus?

The repair cost varies depending on the root cause, but it can range from $100 to $500, including parts and labor.

8. Can a blown fuse cause the B2506 code?

Yes, a blown fuse in the luggage door motor circuit can potentially trigger this code, and checking fuses is a good first step in diagnosis.

9. How can I prevent the B2506 code from recurring?

Regularly inspect and maintain the wiring, connectors, and motor for signs of wear, damage, or corrosion to prevent future issues.

10. Do I need to recalibrate the system after repairing the B2506 code?

In some cases, the system may need to be reset or recalibrated using a scan tool to ensure proper operation after repairs are completed.

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