AutoCodes – Scion – B2312 Scion

B2312 Scion Code - Power Window Switch Malfunction

Quick Answer

The Front Power Window Regulator Motor Assembly Left (LH) is operated by the Power Window Regulator Master Switch Assembly. Common causes include Faulty Power Window Regulator Master Switch Assembly, Power Window Regulator Master Switch Assembly harness is open or shorted, Power Window Regulator Master 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
B2312 Scion indicates Power Window Switch Malfunction.
Common causes
Common causes include Faulty Power Window Regulator Master Switch Assembly, Power Window Regulator Master Switch Assembly harness is open or shorted, Power Window Regulator Master 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 345
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 13, 2023
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Code B2312 Scion Description

The Front Power Window Regulator Motor Assembly Left (LH) is operated by the Power Window Regulator Master Switch Assembly. The Front Power Window Regulator Motor Assembly Left (LH) LH has motor and ECU functions.
This Diagnostic Trouble Code (DTC) is stored when the ECU built into the Front Power Window Regulator Motor Assembly Left (LH) determines that the Power Window Regulator Master Switch Assembly is stuck.
OBDII Code B2312 Scion - Power Window Switch Malfunction - AutoCodes.com
B2312 Scion Code - Power Window Switch Malfunction

What are the Possible Causes of the DTC B2312 Scion?

  • Faulty Power Window Regulator Master Switch Assembly
  • Power Window Regulator Master Switch Assembly harness is open or shorted
  • Power Window Regulator Master Switch Assembly circuit poor electrical connection

How to Fix the DTC B2312 Scion?

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 B2312 Scion 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 B2312 Scion code?

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Need Help with the 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 B2312 Scion Code

1. What are the common symptoms of OBDII code B2312 in a Scion related to a power window switch malfunction?

The common symptoms include non-responsive power window switches, windows getting stuck in certain positions, and erratic window movements.

2. What could cause the OBDII code B2312 indicating a power window switch malfunction in a Scion?

The code B2312 is typically triggered by issues such as a faulty power window switch, damaged wiring, or a malfunctioning control module.

3. How can I diagnose the cause of the OBDII code B2312 related to a power window switch malfunction in my Scion?

To diagnose the issue, you can start by checking the power window switch for any physical damage, testing the wiring for continuity, and using a scan tool to inspect the control module.

4. Can I repair the power window switch malfunction causing the OBDII code B2312 in my Scion on my own?

Depending on the exact cause, you may be able to repair the issue on your own by replacing the faulty power window switch, repairing damaged wiring, or recalibrating the control module.

5. Are there any quick tips to troubleshoot the OBDII code B2312 Scion power window switch malfunction before seeking professional help?

You can try resetting the power window system by disconnecting the car battery for a few minutes, checking the fuse related to the power windows, and ensuring there are no obstructions blocking the window movement.

6. Is it safe to continue driving my Scion with the OBDII code B2312 indicating a power window switch malfunction?

It is not recommended to continue driving with a malfunctioning power window switch as it can lead to safety hazards, such as being unable to open or close the windows in emergency situations.

7. How much does it typically cost to repair the OBDII code B2312 Scion power window switch malfunction at a professional auto repair shop?

The cost of repairing the power window switch malfunction can vary depending on the exact cause and the labor rates of the auto repair shop, but it may range from $100 to $300 or more.

8. Will resetting the OBDII code B2312 related to the power window switch malfunction make it go away permanently?

Resetting the code may temporarily clear it, but if the underlying issue causing the power window switch malfunction is not addressed, the code is likely to reappear.

9. Can extreme weather conditions or water damage cause the OBDII code B2312 Scion power window switch malfunction?

Yes, extreme weather conditions or water damage can potentially lead to power window switch malfunctions, so it's important to keep the interior of the car dry and protected.

10. How long does it usually take to repair the OBDII code B2312 Scion power window switch malfunction?

The repair time can vary depending on the exact cause of the issue and the availability of parts, but most power window switch malfunctions can be repaired within a few hours to a day at an auto repair shop.

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