B0261
Convertible Top Position Sensor
2019-2024 BMW 3 Series G20 2.0L I4 Turbo B48
Low SeverityBodyGeneric (SAE)
Description
The convertible top position sensor is not reporting valid data, preventing automatic top operation.
Symptoms
- Top auto-open/close not working
- Top stops at random positions
- Must manually assist top movement
- Control module error
Common Causes
- Faulty position sensor
- Sensor wiring damage
- Sensor misaligned
- Control module needs recalibration
Diagnostic Steps
- Check position sensor output
- Inspect sensor alignment
- Test wiring
- Attempt recalibration procedure
Repair Notes
Replace or realign position sensor. Recalibrate top control module.
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
B0261 on Other Vehicles
Common Questions
What does code B0261 mean on a 2019-2024 BMW 3 Series G20?
B0261 stands for "Convertible Top Position Sensor". The convertible top position sensor is not reporting valid data, preventing automatic top operation.
What are the symptoms of B0261 on a BMW 3 Series G20?
Common symptoms of B0261 include: Top auto-open/close not working, Top stops at random positions, Must manually assist top movement, Control module error.
What causes B0261 on a 2019-2024 BMW 3 Series G20?
Common causes of B0261 include: Faulty position sensor, Sensor wiring damage, Sensor misaligned, Control module needs recalibration.