B0261low severityBody
Convertible Top Position Sensor
on 2013 BMW M3 E90 4.0L V8 S65 · RWD
What this code means
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.
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