AutoCodes – Toyota – B2651 Toyota

B2651 Toyota Code - Reclining Sensor Malfunction

Quick Answer

When the Position Control ECU and Switch Assembly does not receive a sensor signal despite forward or backward movement of the seatback 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
B2651 Toyota indicates Reclining 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 661
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 14, 2023
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Code B2651 Toyota Description

When the Position Control ECU and Switch Assembly does not receive a sensor signal despite forward or backward movement of the seatback by power seat motor operation, this Diagnostic Trouble Code (DTC) is stored.
OBDII Code B2651 Toyota - Reclining Sensor Malfunction - AutoCodes.com
B2651 Toyota Code - Reclining Sensor Malfunction

What are the Possible Causes of the DTC B2651 Toyota?

  • 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 Reclining Motor

How to Fix the DTC B2651 Toyota?

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 B2651 Toyota 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 B2651 Toyota code?

Need more information on how to fix the B2651 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2651 Toyota code diagnosed by a professional: Find a repair shop in your area

Information for Specific Toyota Models

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 B2651 Toyota Code

1. What is OBDII code B2651 for Toyota?

- OBDII code B2651 for Toyota refers to a Reclining Sensor Malfunction, indicating an issue with the sensor responsible for detecting the reclined position of the vehicle seat.

2. What are the common symptoms of a Reclining Sensor Malfunction (B2651) in a Toyota?

- Common symptoms include the inability to adjust the seat recline position, erratic seat movement, or a warning light on the dashboard related to the seat system.

3. What are the possible causes of the B2651 code in a Toyota?

- The B2651 code can be triggered by a faulty reclining sensor, damaged wiring or connectors in the seat system, or a malfunction in the seat control module.

4. How can I diagnose a Reclining Sensor Malfunction (B2651) in my Toyota?

- Diagnosing the issue involves using an OBDII scanner to read the code, inspecting the reclining sensor and its connections, and performing a seat system reset if necessary.

5. Can I drive my Toyota with the B2651 code present?

- It is generally safe to drive the vehicle with the B2651 code, but it is recommended to address the issue promptly to prevent potential discomfort or safety hazards while driving.

6. How can I repair a Reclining Sensor Malfunction (B2651) in my Toyota?

- Repairing the B2651 code may involve replacing the faulty reclining sensor, repairing damaged wiring or connectors, or reprogramming the seat control module as needed.

7. Is it possible to reset the B2651 code in a Toyota without professional help?

- In some cases, performing a seat system reset by disconnecting the battery for a few minutes may clear the B2651 code, but it is advisable to seek professional assistance for a thorough diagnosis and repair.

8. Are there any DIY tips for troubleshooting a Reclining Sensor Malfunction in a Toyota?

- DIY tips include checking the seat fuse, inspecting the reclining sensor connections for corrosion or damage, and ensuring that the seat is securely mounted with no obstructions affecting its movement.

9. Can weather or environmental factors cause the B2651 code in a Toyota?

- Extreme temperature changes, moisture, or exposure to environmental elements can potentially impact the functionality of the reclining sensor and contribute to triggering the B2651 code.

10. How much does it cost to repair a Reclining Sensor Malfunction (B2651) in a Toyota?

- The cost of repairing a B2651 code in a Toyota can vary depending on the specific issue, parts needed for replacement, labor charges, and whether professional diagnostic services are required.

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