B14B3
Passenger Seat Heater Thermistor Circuit Open
B14B3 is an OBD-II diagnostic trouble code meaning: Passenger Seat Heater Thermistor Circuit Open. Common causes: broken wires in the thermistor circuit, oxidation or damage to connector contacts. Estimated repair cost: $22–89.
Symptoms
- Heated front passenger seat does not work
- Seat heating indicator flashes
- The error is stored in the memory of the control unit
Causes
- Broken wires in the thermistor circuit
- Oxidation or damage to connector contacts
- Thermistor fault
- Wiring harness damage
- Problems with the seat heating control unit
How to Fix
- Check the integrity of the wires in the thermistor circuit
- Inspect connectors and contacts for corrosion or damage
- Measure the resistance of the thermistor (should change when heated)
- If necessary, replace the thermistor or repair the harness
- Clean or replace connectors if problems are found
- Check the operation of the heating system after repair
Related codes
FAQ
What does the B14B3 code mean?
B14B3 is an OBD-II diagnostic trouble code that indicates: Passenger Seat Heater Thermistor Circuit Open
What causes a B14B3 error code?
The most common causes of B14B3 include: Broken wires in the thermistor circuit; Oxidation or damage to connector contacts; Thermistor fault; Wiring harness damage.
How do I fix a B14B3 diagnostic trouble code?
To fix B14B3: Check the integrity of the wires in the thermistor circuit. Inspect connectors and contacts for corrosion or damage. Measure the resistance of the thermistor (should change when heated). For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B14B3?
Yes, but get it checked soon
How much does it cost to fix B14B3?
The estimated repair cost for B14B3 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat