B0284low severityBody
Driver Cooled Seat Circuit
on 2006 Lexus LS 430 4.3L V8 · RWD
What this code means
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.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open