AutoCodes – Lexus – B2552 Lexus

B2552 Lexus Code - Pulse Width Modulation Motor Left Power Supply Circuit Malfunction

Quick Answer

This circuit indicates the roof motor, luggage motor or luggage closer motor depending on which motor is being used. Common causes include Faulty Sliding Roof Control ECU, Sliding Roof Control ECU harness is open or shorted, Sliding Roof Control ECU 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: B2552 Lexus indicates Pulse Width Modulation Motor Left Power Supply Circuit Malfunction.
Common causes: Common causes include Faulty Sliding Roof Control ECU, Sliding Roof Control ECU harness is open or shorted, Sliding Roof Control ECU 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 550

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 Dec 26, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2552 Lexus Description

This circuit indicates the roof motor, luggage motor or luggage closer motor depending on which motor is being used.

OBDII Code B2552 Lexus - Pulse Width Modulation Motor Left Power Supply Circuit Malfunction - AutoCodes.com — B2552 Lexus Code - Pulse Width Modulation Motor Left Power Supply Circuit Malfunction

What does this mean?

What are the Possible Causes of the DTC B2552 Lexus?

Faulty Sliding Roof Control ECU
Sliding Roof Control ECU harness is open or shorted
Sliding Roof Control ECU circuit poor electrical connection

How to Fix the DTC B2552 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 B2552 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 B2552 Lexus Code

1. What are the common symptoms of OBDII code B2552 in a Lexus related to the Pulse Width Modulation Motor Left Power Supply Circuit Malfunction?

- Common symptoms include ABS warning light illumination on the dashboard, loss of ABS functionality, and potential issues with the vehicle's stability control system.

2. What can cause the OBDII code B2552 in a Lexus?

- The code B2552 typically indicates a malfunction in the pulse width modulation (PWM) motor left power supply circuit, which may be caused by damaged wiring, a faulty ABS actuator, or a malfunctioning ABS control module.

3. How can I diagnose the OBDII code B2552 in a Lexus?

- Diagnosing the B2552 code may involve using a scan tool to retrieve the specific fault codes, conducting a visual inspection of wiring and connectors, and performing tests on the ABS actuator and control module to identify the root cause of the circuit malfunction.

4. What are some repair tips for addressing the OBDII code B2552 in a Lexus?

- Repair tips may include repairing or replacing damaged wiring, addressing any corrosion on connectors, testing and potentially replacing the ABS actuator or control module, and clearing the fault codes to see if the issue persists.

5. Is it safe to drive a Lexus with the OBDII code B2552 related to the Pulse Width Modulation Motor Left Power Supply Circuit Malfunction?

- It is not recommended to drive the vehicle with the ABS warning light illuminated, as it may compromise the functionality of the anti-lock braking system and stability control. It is advisable to address the issue promptly.

6. Can the OBDII code B2552 in a Lexus be reset without fixing the underlying issue?

- While it is possible to clear the fault codes associated with the B2552 code, the underlying issue causing the circuit malfunction should be diagnosed and repaired to ensure the proper functioning of the ABS system.

7. How much does it typically cost to repair the OBDII code B2552 in a Lexus?

- The cost of repairing the B2552 code can vary depending on the specific cause of the circuit malfunction and the labor rates of the repair facility. Costs may include parts replacement, wiring repairs, and diagnostic services.

8. Are there any recalls or technical service bulletins related to the OBDII code B2552 in Lexus vehicles?

- It is recommended to check with Lexus dealerships or online resources for any recalls or technical service bulletins related to the B2552 code in specific Lexus models to see if there are known issues or remedies provided by the manufacturer.