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Engine-Codes – Generic – B14B2

B14B2 Code - Driver Seat Heater Thermistor Circuit Short Circuit

Quick Answer

The B14B2 code indicates a driver seat heater thermistor circuit short circuit. Common causes include Faulty thermistor in the driver's seat heater circuit, Wiring issues in the seat heater circuit, Short circuit in the seat heater 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
B14B2 indicates Driver Seat Heater Thermistor Circuit Short Circuit.
Common causes
Common causes include Faulty thermistor in the driver's seat heater circuit, Wiring issues in the seat heater circuit, Short circuit in the seat heater 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 07, 2024
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Code B14B2 Description

The B14B2 code indicates a driver seat heater thermistor circuit short circuit. This means that there is a problem with the thermistor in the driver's seat heater circuit, causing a short circuit. The thermistor is a type of resistor that changes resistance with temperature, and it is used to control the heating element in the seat. When there is a short circuit in this circuit, it can lead to issues with the driver's seat heater not working properly or not working at all.

OBDII Code B14B2 - Driver Seat Heater Thermistor Circuit Short Circuit
B14B2 Code - Driver Seat Heater Thermistor Circuit Short Circuit

Common Causes of B14B2

  1. Faulty thermistor in the driver's seat heater circuit.
  2. Wiring issues in the seat heater circuit.
  3. Short circuit in the seat heater circuit.
  4. Water damage to the seat heater components.
  5. Overheating of the seat heater elements.

Symptoms of B14B2

  1. Driver's seat heater not working.
  2. Inconsistent heat output from the driver's seat heater.
  3. Burning smell coming from the driver's seat.
  4. Seat heater turning on and off sporadically.
  5. Warning light on the dashboard related to the seat heater system.

How to Fix B14B2

  1. Diagnose the exact cause of the short circuit in the driver seat heater thermistor circuit.
  2. Replace the faulty thermistor in the driver's seat heater circuit.
  3. Check and repair any damaged wiring in the seat heater circuit.
  4. Inspect for any signs of water damage and address them accordingly.
  5. Test the seat heater system to ensure proper functionality after repairs.

Cost to Fix B14B2

The typical repair costs for a driver seat heater thermistor circuit short circuit can range from $150 to $400, depending on the extent of the damage and the cost of parts. This estimate includes both parts and labor. It's important to note that specific diagnosis time and labor rates at auto repair shops can vary, so it's recommended to check with local shops for a more accurate estimate.

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Code B14B2 Information for Specific Makes

  • B14B2 Scion — Driver Seat Heater Thermistor Circuit Short Circuit
  • B14B2 Subaru — Driver Seat Heater Thermistor Circuit Short Circuit
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 B14B2 Code

1. What does OBDII code B14B2 mean?

Code B14B2 indicates a short circuit in the driver seat heater thermistor circuit, which monitors the temperature of the seat heater.

2. What are the common symptoms of code B14B2?

Symptoms include the driver seat heater not functioning, intermittent heating, or the seat heater turning off unexpectedly.

3. What causes code B14B2 to appear?

Common causes include damaged wiring, a shorted thermistor, a faulty seat heater control module, or a defective seat heater element.

4. Can I still use my seat heater if code B14B2 is active?

It's not recommended, as the short circuit could lead to further damage or pose a safety risk.

5. How is code B14B2 diagnosed?

A technician will inspect the wiring and connectors, test the thermistor for proper resistance, and check the seat heater module for faults.

6. Can I fix code B14B2 myself?

If you have basic electrical knowledge, you can inspect the wiring for visible damage, but more complex repairs should be handled by a professional.

7. How much does it cost to repair code B14B2?

Repair costs vary depending on the root cause, ranging from $50 for minor wiring repairs to $500+ if the seat heater module or element needs replacement.

8. Will clearing the code fix the issue?

No, clearing the code without addressing the underlying problem will cause it to return.

9. Is code B14B2 a serious issue?

While it doesn’t affect vehicle drivability, it can compromise comfort and potentially lead to electrical issues if ignored.

10. What can prevent code B14B2 from occurring?

Regular inspection of seat wiring and avoiding heavy or sharp objects on heated seats can help prevent damage to the thermistor circuit.

Discuss the causes and fixes for B14B2 OBDII Code

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