B0284
Driver Cooled Seat Circuit
2016-2021 Mazda CX-3 2.0L I4
Low SeverityBodyGeneric (SAE)
Description
Malfunction in the driver ventilated/cooled seat fan circuit.
Symptoms
- Driver cooled seat not blowing air
- Seat cooling fan noisy
- Cooling function intermittent
- Fan runs but no cool air felt
Common Causes
- Faulty seat ventilation fan
- Blocked air passages in seat
- Wiring damage
- Control module fault
- Thermoelectric cooler failure
Diagnostic Steps
- Test fan motor
- Check air passages for blockage
- Inspect wiring
- Test control module output
- Listen for fan operation
Repair Notes
Replace ventilated seat fan motor or clear blocked air passages in seat cushion.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0005Driver Knee Airbag Deployment Circuit
B0284 on Other Vehicles
Common Questions
What does code B0284 mean on a 2016-2021 Mazda CX-3?
B0284 stands for "Driver Cooled Seat Circuit". Malfunction in the driver ventilated/cooled seat fan circuit.
What are the symptoms of B0284 on a Mazda CX-3?
Common symptoms of B0284 include: Driver cooled seat not blowing air, Seat cooling fan noisy, Cooling function intermittent, Fan runs but no cool air felt.
What causes B0284 on a 2016-2021 Mazda CX-3?
Common causes of B0284 include: Faulty seat ventilation fan, Blocked air passages in seat, Wiring damage, Control module fault, Thermoelectric cooler failure.