Sunroof Motor Circuit
2020-2024 Citroën C4 Electric 🇩🇪
Description
Malfunction in the sunroof/moonroof motor circuit. The sunroof does not open, close, or tilt.
Symptoms
- Sunroof does not move
- Sunroof opens but will not close
- Motor noise but no movement
- Sunroof switch unresponsive
Common Causes
- Faulty sunroof motor
- Sunroof track obstruction
- Switch failure
- Wiring damage in headliner
- Sunroof off track
Diagnostic Steps
- Check sunroof fuse
- Test sunroof switch
- Apply direct power to motor
- Inspect sunroof tracks for debris
- Check if panel is off track
Repair Notes
Replace sunroof motor or clear track obstruction. Re-initialize sunroof if it has lost calibration.
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
B0240 on Other Vehicles
Citroën Ami
2020-2025 Electric 5.5kWh
Citroën Berlingo
2018-2024 1.2L I3 PureTech
Citroën Berlingo
2018-2024 1.5L I4 BlueHDi
Citroën Berlingo
2018-2025 1.2L I3 Turbo PureTech 110
Citroën Berlingo
2018-2025 1.5L I4 Diesel BlueHDi 100
Citroën Berlingo
2021-2025 Electric e-Berlingo 50kWh
Citroën Berlingo III FR
2018-2025 1.2L I3 Turbo PureTech 110
Citroën Berlingo III FR
2018-2025 1.5L I4 Diesel BlueHDi 100
Common Questions
What does code B0240 mean on a 2020-2024 Citroën C4?
B0240 stands for "Sunroof Motor Circuit". Malfunction in the sunroof/moonroof motor circuit. The sunroof does not open, close, or tilt.
What are the symptoms of B0240 on a Citroën C4?
Common symptoms of B0240 include: Sunroof does not move, Sunroof opens but will not close, Motor noise but no movement, Sunroof switch unresponsive.
What causes B0240 on a 2020-2024 Citroën C4?
Common causes of B0240 include: Faulty sunroof motor, Sunroof track obstruction, Switch failure, Wiring damage in headliner, Sunroof off track.