OBD Guide
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B14BA

Driver Seat Back Thermal Electric Device Circuit

B14BA is an OBD-II diagnostic trouble code meaning: Driver Seat Back Thermal Electric Device Circuit. Common causes: open or short circuit in wiring harness, heating element malfunction. Estimated repair cost: $22–111.

Severity
✅ Low
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–111 (est.)

Symptoms

  • Driver's seat back heating/ventilation does not work
  • The heated seat indicator is flashing
  • Error message on display

Causes

  • Open or short circuit in wiring harness
  • Heating element malfunction
  • Seat control module problem
  • Blown fuse
  • Oxidation of contacts

How to Fix

  1. Check the seat heater circuit fuses
  2. Inspect the wiring harness for damage
  3. Check the resistance of the heating element
  4. Diagnose the seat control module
  5. Clean the connector contacts

Related codes

B14BBB14BC

FAQ

What does the B14BA code mean?

B14BA is an OBD-II diagnostic trouble code that indicates: Driver Seat Back Thermal Electric Device Circuit

What causes a B14BA error code?

The most common causes of B14BA include: Open or short circuit in wiring harness; Heating element malfunction; Seat control module problem; Blown fuse.

How do I fix a B14BA diagnostic trouble code?

To fix B14BA: Check the seat heater circuit fuses. Inspect the wiring harness for damage. Check the resistance of the heating element. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B14BA?

Limited driving only, diagnose soon

How much does it cost to fix B14BA?

The estimated repair cost for B14BA is $22–111. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat