AutoCodes – Lexus – B2652 Lexus

B2652 Lexus Code - Front Vertical Sensor Malfunction

Quick Answer

When the Position Control ECU and Switch Assembly does not receive a sensor signal despite upward or downward movement of the front of the seat cushion by power seat motor operation, this Diagnostic Trouble Code (DTC) is stored. Common causes include Faulty Position Control ECU and Switch Assembly, Position Control ECU and Switch Assembly harness is open or shorted, Position Control ECU and Switch Assembly 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: B2652 Lexus indicates Front Vertical Sensor Malfunction.
Common causes: Common causes include Faulty Position Control ECU and Switch Assembly, Position Control ECU and Switch Assembly harness is open or shorted, Position Control ECU and Switch Assembly 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 764

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 Jan 14, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2652 Lexus Description

OBDII Code B2652 Lexus - Front Vertical Sensor Malfunction - AutoCodes.com — B2652 Lexus Code - Front Vertical Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC B2652 Lexus?

Faulty Position Control ECU and Switch Assembly
Position Control ECU and Switch Assembly harness is open or shorted
Position Control ECU and Switch Assembly circuit poor electrical connection
Faulty Front Vertical Motor

How to Fix the DTC B2652 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 B2652 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.

Need more information about the B2652 Lexus 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 B2652 Lexus Code

1. What are the common symptoms of OBDII code B2652 (Lexus) for Front Vertical Sensor Malfunction?

- Common symptoms include inaccurate headlight leveling, erratic headlight movement, and dashboard warning lights related to the headlight system.

2. What are the possible causes of the B2652 code in a Lexus indicating Front Vertical Sensor Malfunction?

- Possible causes can be a faulty front vertical sensor, wiring issues, sensor misalignment, or a malfunctioning headlight control module.

3. How can I diagnose the Front Vertical Sensor Malfunction in a Lexus triggering code B2652?

- Diagnosis involves checking the front vertical sensor for proper operation, inspecting wiring for damage, aligning the sensor correctly, and testing the headlight control module.

4. Can a DIY enthusiast repair the Front Vertical Sensor Malfunction causing the B2652 code in a Lexus?

- While some basic diagnostic steps can be performed, repairing the sensor or related components may require specialized tools and expertise, making it best suited for professional mechanics.

5. Is it safe to drive my Lexus with the B2652 code indicating a Front Vertical Sensor Malfunction?

- It is not recommended to drive the vehicle with this issue as incorrect headlight leveling can affect visibility and safety, especially at night or in adverse weather conditions.

6. How much does it typically cost to repair the Front Vertical Sensor Malfunction associated with the B2652 code in a Lexus?

- Repair costs can vary depending on the specific issue, but it may range from $200 to $500 for parts and labor at a dealership or repair shop.

7. Can resetting the OBDII code B2652 clear the Front Vertical Sensor Malfunction in a Lexus?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the Front Vertical Sensor Malfunction.

8. What are the long-term consequences of ignoring the B2652 code related to Front Vertical Sensor Malfunction in a Lexus?

- Ignoring the code can lead to continued headlight misalignment, potential headlight failure, and safety hazards due to impaired visibility on the road.

9. How often should the front vertical sensor be inspected in a Lexus to prevent the B2652 code from appearing?

- It is recommended to include sensor inspection as part of regular maintenance checks or whenever headlight alignment issues are noticed to prevent triggering the B2652 code.

10. Are there any recalls or technical service bulletins related to the B2652 code for Front Vertical Sensor Malfunction in Lexus vehicles?

- It is advisable to check with a Lexus dealership or online resources for any recalls or service bulletins related to the B2652 code and Front Vertical Sensor Malfunction to stay informed about potential updates or fixes.