AutoCodes – Generic – B14B1

B14B1 Code - Driver Seat Heater Thermistor Circuit Open

Quick Answer

The Air Condition (A/C) Control Module monitors the Driver Seat Heater Thermistor. Common causes include Faulty Driver Seat Heater Module, Driver Seat Heater Module harness is open or shorted, Driver Seat Heater Module 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: B14B1 indicates Driver Seat Heater Thermistor Circuit Open.
Common causes: Common causes include Faulty Driver Seat Heater Module, Driver Seat Heater Module harness is open or shorted, Driver Seat Heater Module 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 769

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 Apr 15, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B14B1 Description

The Air Condition (A/C) Control Module monitors the Driver Seat Heater Thermistor. The A/C Control Module sets the OBDII code when the Driver Seat Heater Thermistor is not to factory specifications.

OBDII Code B14B1 - Driver Seat Heater Thermistor Circuit Open - AutoCodes.com — B14B1 Code - Driver Seat Heater Thermistor Circuit Open

What does this mean?

What are the Possible Causes of the DTC B14B1?

Faulty Driver Seat Heater Module
Driver Seat Heater Module harness is open or shorted
Driver Seat Heater Module circuit poor electrical connection
Faulty Air Condition (A/C) Control Module

How to Fix the DTC B14B1?

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 B14B1 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 B14B1 code?

Need more information on how to fix the B14B1 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B14B1 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B14B1 Scion — Driver Seat Heater Thermistor Circuit Open
B14B1 Subaru — Driver Seat Heater Thermistor Circuit Open

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 B14B1 Code

1. What are the common symptoms of OBDII code B14B1 - Driver Seat Heater Thermistor Circuit Open?

The common symptoms include a non-functioning driver seat heater, a warning light on the dashboard, and possible issues with temperature control.

2. What are the possible causes of the OBDII code B14B1?

Possible causes of this code include a damaged seat heater thermistor, a loose or disconnected connection in the circuit, or a faulty control module.

3. How can I diagnose the Driver Seat Heater Thermistor Circuit Open issue?

You can diagnose this issue by using an OBDII scanner to read the code, visually inspecting the seat heater components for damage, and performing a continuity test on the thermistor circuit.

4. Can I continue driving my vehicle with the B14B1 code present?

It is generally safe to continue driving the vehicle with this code, but it is recommended to address the issue promptly to avoid discomfort and prevent further damage to the seat heater system.

5. How can I repair the Driver Seat Heater Thermistor Circuit Open problem?

To repair this issue, you may need to replace the faulty thermistor, repair any damaged wiring or connections, or reset the control module to clear the code.

6. Are there any DIY tips for fixing the Driver Seat Heater Thermistor Circuit Open code?

DIY tips include checking for loose connections, testing the thermistor with a multimeter, and referring to the vehicle's service manual for specific repair instructions.

7. Is it possible to reset the B14B1 code without fixing the underlying issue?

While resetting the code may temporarily turn off the warning light, it will not fix the underlying problem causing the Driver Seat Heater Thermistor Circuit Open issue.

8. How much does it typically cost to repair the OBDII code B14B1?

The cost of repairing this code can vary depending on the extent of the damage and the labor rates of the repair shop. It may range from a few hundred to a thousand dollars.

9. Can extreme temperatures or weather conditions trigger the B14B1 code?

Extreme temperatures or weather conditions are unlikely to directly trigger this code, but they may exacerbate existing issues with the seat heater system.

10. Will fixing the Driver Seat Heater Thermistor Circuit Open code affect the overall performance of my vehicle?

Fixing this code will primarily restore the functionality of the driver seat heater and ensure proper operation of the system, but it should not significantly impact the overall performance of the vehicle.