Sunroof Position Sensor Circuit
1998-2002 Pontiac Firebird 3.8L V6
Description
The sunroof position sensor is not providing valid position data, preventing the auto-close feature from functioning.
Symptoms
- One-touch sunroof open/close not working
- Sunroof does not auto-reverse on obstruction
- Express open/close disabled
- Sunroof control module fault
Common Causes
- Faulty position sensor
- Sensor wiring damage
- Sunroof motor encoder failure
- Control module needs initialization
Diagnostic Steps
- Perform sunroof initialization procedure
- Check position sensor wiring
- Test sensor output during movement
- Inspect motor encoder
Repair Notes
Re-initialize sunroof per manufacturer procedure. Replace motor assembly if encoder is faulty.
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
- B0010Driver Side Airbag Deployment
- B0011Driver Side Airbag Deployment Circuit Open
- B0012Driver Side Airbag Deployment Circuit Short to Ground
- B0013Driver Side Airbag Deployment Circuit Short to Battery
B0241 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Firebird
1998-2002 5.7L V8 LS1
Pontiac Firebird Trans Am
1998-2002 5.7L V8 LS1
Pontiac Firebird Trans Am WS6
2002-2002 5.7L V8 LS1
Pontiac G3
2009-2010 1.6L I4
Common Questions
What does code B0241 mean on a 1998-2002 Pontiac Firebird?
B0241 stands for "Sunroof Position Sensor Circuit". The sunroof position sensor is not providing valid position data, preventing the auto-close feature from functioning.
What are the symptoms of B0241 on a Pontiac Firebird?
Common symptoms of B0241 include: One-touch sunroof open/close not working, Sunroof does not auto-reverse on obstruction, Express open/close disabled, Sunroof control module fault.
What causes B0241 on a 1998-2002 Pontiac Firebird?
Common causes of B0241 include: Faulty position sensor, Sensor wiring damage, Sunroof motor encoder failure, Control module needs initialization.