OBD Guide
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B14B2

Driver Seat Heater Thermistor Circuit Short Circuit

B14B2 is an OBD-II diagnostic trouble code meaning: Driver Seat Heater Thermistor Circuit Short Circuit. Common causes: wiring damage, thermistor fault. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Heated driver's seat does not work
  • Heated seat indicator blinks or does not turn on
  • Error message on display

Causes

  • Wiring damage
  • Thermistor fault
  • Problems with the heating control unit
  • Moisture entering the system elements
  • Mechanical damage

How to Fix

  1. Check the integrity of wiring and connections
  2. Check the resistance of the thermistor
  3. Inspect the control unit for damage
  4. Replace faulty components
  5. Clean contacts from moisture and corrosion

Related codes

B14B1B14B3

FAQ

What does the B14B2 code mean?

B14B2 is an OBD-II diagnostic trouble code that indicates: Driver Seat Heater Thermistor Circuit Short Circuit

What causes a B14B2 error code?

The most common causes of B14B2 include: Wiring damage; Thermistor fault; Problems with the heating control unit; Moisture entering the system elements.

How do I fix a B14B2 diagnostic trouble code?

To fix B14B2: Check the integrity of wiring and connections. Check the resistance of the thermistor. Inspect the control unit for damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B14B2?

Limited driving only, diagnose soon

How much does it cost to fix B14B2?

The estimated repair cost for B14B2 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat