Engine-Codes.com
Engine-Codes – Scion – B14B3 Scion

B14B3 Scion Code - Passenger Seat Heater Thermistor Circuit Open

Quick Answer

The B14B3 diagnostic trouble code for Scion vehicles indicates a problem with the passenger seat heater thermistor circuit being open. Common causes include Damaged wiring or connectors in the passenger seat heater thermistor circuit, Faulty thermistor in the passenger seat heater, Loose connections in the circuit. 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
B14B3 Scion indicates Passenger Seat Heater Thermistor Circuit Open.
Common causes
Common causes include Damaged wiring or connectors in the passenger seat heater thermistor circuit, Faulty thermistor in the passenger seat heater, Loose connections in the circuit.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B14B3 Scion Description

The B14B3 diagnostic trouble code for Scion vehicles indicates a problem with the passenger seat heater thermistor circuit being open. The thermistor is a type of resistor that changes its resistance with temperature. In this case, the circuit that monitors the temperature of the passenger seat heater is not functioning properly, likely due to an open circuit. This can lead to the passenger seat heater not working as intended, potentially causing discomfort for passengers in cold weather.

OBDII Code B14B3 Scion - Passenger Seat Heater Thermistor Circuit Open
B14B3 Scion Code - Passenger Seat Heater Thermistor Circuit Open

Common Causes of B14B3 Scion

  1. Damaged wiring or connectors in the passenger seat heater thermistor circuit.
  2. Faulty thermistor in the passenger seat heater.
  3. Loose connections in the circuit.
  4. Corrosion or rust affecting the circuit components.

Symptoms of B14B3 Scion

  1. Passenger seat heater not heating up or not reaching the desired temperature.
  2. Passenger seat heater staying on even when turned off.
  3. Passenger seat heater not working at all.
  4. Dashboard warning light related to the seat heater system.

How to Fix B14B3 Scion

  1. Begin by diagnosing the exact cause of the issue using a diagnostic scanner to retrieve the specific fault codes.
  2. Inspect the wiring and connectors in the passenger seat heater thermistor circuit for any damage or loose connections. Repair or replace as necessary.
  3. Test the thermistor in the passenger seat heater to ensure it is functioning correctly. Replace if faulty.
  4. Clear the fault codes from the vehicle's computer and test the passenger seat heater to ensure it is working properly.
  5. If the issue persists, further troubleshooting may be required to identify any underlying problems with the seat heater system.

Cost to Fix B14B3 Scion

The typical repair costs for addressing a passenger seat heater thermistor circuit open issue can vary depending on the extent of the problem and the specific components that need to be replaced. In general, the cost of parts for this repair can range from $50 to $200, while labor costs can range from $100 to $300. Overall, the total repair cost for this issue is likely to fall between $150 and $500. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the specific diagnosis and labor rates at auto repair shops. It's recommended to obtain quotes from local shops to get a more accurate cost estimate for this repair.

Need more information about the B14B3 Scion code?

Need more information on how to fix the B14B3 Scion code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B14B3 Scion code diagnosed by a professional: Find a repair shop in your area

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 B14B3 Scion Code

1. What are the common symptoms of OBDII code B14B3 on a Scion related to the Passenger Seat Heater Thermistor Circuit Open?

The common symptoms include the passenger seat heater not functioning properly or not turning on at all.

2. What are the possible causes of OBDII code B14B3 on a Scion indicating a Passenger Seat Heater Thermistor Circuit Open?

Possible causes include a faulty thermistor, damaged wiring or connectors, or a malfunctioning seat heater control module.

3. How can I diagnose the issue causing OBDII code B14B3 on my Scion related to the Passenger Seat Heater Thermistor Circuit Open?

You can use a multimeter to test the thermistor resistance, inspect the wiring and connectors for damage, and check for any loose connections.

4. Can I still drive my Scion with OBDII code B14B3 indicating a Passenger Seat Heater Thermistor Circuit Open?

It is generally safe to drive the vehicle with this code, but keep in mind that the passenger seat heater will not function until the issue is resolved.

5. How do I repair OBDII code B14B3 on a Scion for the Passenger Seat Heater Thermistor Circuit Open?

To repair this issue, you may need to replace the faulty thermistor, repair any damaged wiring or connectors, or replace the seat heater control module if necessary.

6. Is it possible to reset OBDII code B14B3 on a Scion once the issue with the Passenger Seat Heater Thermistor Circuit Open is fixed?

Yes, after the repair is completed, you can reset the code using an OBDII scanner or by disconnecting the car battery for a few minutes.

7. Are there any tips to prevent OBDII code B14B3 from reoccurring on a Scion after repairing the Passenger Seat Heater Thermistor Circuit Open?

Ensure proper installation of the new thermistor, check the wiring for any signs of damage, and regularly inspect the seat heater system for any issues to prevent the code from reoccurring.

8. Can a DIY enthusiast without much car repair experience fix OBDII code B14B3 related to the Passenger Seat Heater Thermistor Circuit Open on a Scion?

While it is possible for a DIY enthusiast to diagnose and repair this issue, it is recommended to have some basic knowledge of electrical systems and use the appropriate tools for a successful repair.

9. Is it necessary to visit a dealership or auto repair shop to fix OBDII code B14B3 on a Scion for the Passenger Seat Heater Thermistor Circuit Open?

Visiting a dealership or auto repair shop is recommended if you are not confident in diagnosing or repairing the issue yourself, as they have the expertise and tools to properly address the problem.

10. How long does it typically take to repair OBDII code B14B3 indicating a Passenger Seat Heater Thermistor Circuit Open on a Scion?

The repair time can vary depending on the exact cause of the issue, but it may take anywhere from 1 to 3 hours to diagnose and fix the problem related to the passenger seat heater thermistor circuit open.

Discuss the causes and fixes for B14B3 Scion OBDII Code

Submit a New Comment

Code B14B3 Scion comments

No comments found for this page.