Passenger Power Window Motor Circuit
2018-2018 Mazda MX-5 Miata 2.0L I4
The 2018 Mazda MX-5 Miata is equipped with a 2.0L inline-4 engine. Below you'll find detailed b0201 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
Malfunction in the passenger power window motor circuit.
Symptoms
- Passenger window not moving
- Window moves intermittently
- Motor noise but no movement
Common Causes
- Faulty window motor
- Broken regulator
- Switch failure
- Wiring issue
- Child lock switch engaged
Diagnostic Steps
- Check child lock switch
- Test window switch
- Apply direct power to motor
- Inspect regulator
- Check wiring
Repair Notes
Replace motor or regulator. Verify child lock is not engaged.
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
B0201 on Other Vehicles
Common Questions
What does code B0201 mean on a 2018-2018 Mazda MX-5 Miata?
B0201 stands for "Passenger Power Window Motor Circuit". Malfunction in the passenger power window motor circuit.
What are the symptoms of B0201 on a Mazda MX-5 Miata?
Common symptoms of B0201 include: Passenger window not moving, Window moves intermittently, Motor noise but no movement.
What causes B0201 on a 2018-2018 Mazda MX-5 Miata?
Common causes of B0201 include: Faulty window motor, Broken regulator, Switch failure, Wiring issue, Child lock switch engaged.
Last updated: March 2026