Passenger Seat Lumbar Motor Circuit
2017-2020 Tesla Model 3 Standard Range Plus Single Motor RWD
Description
Malfunction in the passenger seat lumbar support motor circuit.
Symptoms
- Passenger lumbar not adjusting
- No response from switch
- Motor running but no movement
Common Causes
- Faulty motor
- Switch failure
- Wiring issue
- Mechanical linkage broken
Diagnostic Steps
- Test switch
- Direct-power motor
- Inspect wiring
- Check mechanical linkage
Repair Notes
Replace lumbar motor, switch, or repair linkage.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0006Passenger Knee Airbag Deployment Circuit
- B0007Rear Left Side Airbag Deployment Circuit
- B0008Rear Right Side Airbag Deployment Circuit
- B0009Rear Center Airbag Deployment Circuit
- B0010Driver Side Airbag Deployment
B0084 on Other Vehicles
Tesla Cybertruck
2024-2024 Cyberbeast Tri Motor AWD
Tesla Cybertruck
2024-2024 Dual Motor AWD
Tesla Cybertruck
2024-2024 Single Motor RWD
Tesla Model 3
2017-2020 Long Range Dual Motor AWD
Tesla Model 3
2017-2020 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Long Range Dual Motor AWD
Tesla Model 3
2021-2024 Performance Dual Motor AWD
Tesla Model 3
2021-2024 Standard Range Single Motor RWD
Common Questions
What does code B0084 mean on a 2017-2020 Tesla Model 3?
B0084 stands for "Passenger Seat Lumbar Motor Circuit". Malfunction in the passenger seat lumbar support motor circuit.
What are the symptoms of B0084 on a Tesla Model 3?
Common symptoms of B0084 include: Passenger lumbar not adjusting, No response from switch, Motor running but no movement.
What causes B0084 on a 2017-2020 Tesla Model 3?
Common causes of B0084 include: Faulty motor, Switch failure, Wiring issue, Mechanical linkage broken.