AutoCodes – Toyota – B2658 Toyota

B2658 Toyota Code - Short in Sensor with Motor Power Supply Circuit

Quick Answer

This Diagnostic Trouble Code (DTC) is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value. 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
B2658 Toyota indicates Short in Sensor with Motor Power Supply Circuit.
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 869
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 B2658 Toyota Description

This Diagnostic Trouble Code (DTC) is stored when a power seat motor operates (a position control sensor is being supplied with power) and the power supply voltage does not rise to the specified value.
OBDII Code B2658 Toyota - Short in Sensor with Motor Power Supply Circuit - AutoCodes.com
B2658 Toyota Code - Short in Sensor with Motor Power Supply Circuit

What are the Possible Causes of the DTC B2658 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 Seat with Adjuster Frame Assembly Left

How to Fix the DTC B2658 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 B2658 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 B2658 Toyota code?

Need more information on how to fix the B2658 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2658 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 B2658 Toyota Code

1. What are the common symptoms of OBDII code B2658 in a Toyota vehicle?

- Common symptoms include erratic sensor readings, loss of power steering assistance, and illuminated warning lights on the dashboard.

2. What can cause the OBDII code B2658 related to a short in the sensor with motor power supply circuit in a Toyota?

- The code can be triggered by a short circuit in the sensor wiring, a faulty sensor, or issues with the power supply to the sensor motor.

3. How can I diagnose the source of the short in the sensor with motor power supply circuit causing code B2658 in my Toyota?

- Use a multimeter to check for continuity in the sensor wiring, inspect the sensor connections for any damage, and test the power supply to the sensor motor.

4. Is it safe to continue driving my Toyota with OBDII code B2658 present?

- It is not recommended to drive the vehicle with this code active, as it can lead to potential safety hazards and further damage to the vehicle's systems.

5. Can I repair the short in the sensor with motor power supply circuit causing code B2658 in my Toyota myself?

- Depending on your experience and tools available, you may be able to repair the issue yourself by replacing the faulty sensor, repairing the wiring, or addressing the power supply problem.

6. Will resetting the OBDII code B2658 in my Toyota make it go away permanently?

- Simply resetting the code will not fix the underlying issue causing B2658. It is important to diagnose and repair the root cause for a permanent solution.

7. How much can I expect to pay for professional repair of the short in sensor with motor power supply circuit causing code B2658 in my Toyota?

- Repair costs can vary depending on the exact cause of the issue, but expect to pay anywhere from $100 to $500 for parts and labor at a dealership or repair shop.

8. Are there any preventive maintenance steps I can take to avoid encountering OBDII code B2658 in my Toyota?

- Regularly inspecting the sensor wiring for damage, ensuring proper connections, and addressing any electrical issues promptly can help prevent the occurrence of this code.

9. Does OBDII code B2658 affect the overall performance of my Toyota vehicle?

- Yes, this code can impact the performance of systems relying on the affected sensor, such as power steering, potentially leading to reduced drivability and safety risks.

10. Can a faulty battery or alternator cause the OBDII code B2658 related to a short in the sensor with motor power supply circuit in a Toyota?

- While a faulty battery or alternator can cause electrical issues in a vehicle, they are less likely to directly trigger this specific code. Focus on diagnosing the sensor and wiring components first.

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