Sunroof Motor Circuit
2007-2012 Nissan Altima 2.5L I4
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
B0240 on Other Vehicles
Nissan 200SX
1995-1998 1.6L I4 GA16DE
Nissan 200SX SE-R
1995-1998 2.0L I4 SR20DE
Nissan 240SX
1995-1998 2.4L I4 KA24DE
Nissan 300ZX
1990-1996 3.0L V6 VG30DE
Nissan 300ZX Twin Turbo
1990-1996 3.0L Twin-Turbo V6 VG30DETT
Nissan 350Z
2003-2006 3.5L V6 VQ35DE
Nissan 350Z
2007-2009 3.5L V6 VQ35HR
Nissan 370Z
2009-2020 3.7L V6 VQ37VHR
Common Questions
What does code B0240 mean on a 2007-2012 Nissan Altima?
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 Nissan Altima?
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 2007-2012 Nissan Altima?
Common causes of B0240 include: Faulty sunroof motor, Sunroof track obstruction, Switch failure, Wiring damage in headliner, Sunroof off track.