Child Seat Detection Circuit
2001-2005 BMW 325xi E46 2.5L I6 M54 AWD
Description
Malfunction in the child seat detection system. This system uses the occupancy sensor or a dedicated transponder to detect a child restraint system.
Symptoms
- Child seat indicator malfunction
- Airbag light on
- Airbag may deploy when child seat is installed
- Child restraint not detected
Common Causes
- Faulty child seat detection transponder
- OCS sensor mat failure
- Wiring issue
- Non-compatible child seat
Diagnostic Steps
- Scan SRS codes
- Test child seat detection with compatible seat
- Check OCS sensor readings
- Inspect under-seat wiring
Repair Notes
Replace OCS mat or child seat detection transponder. Ensure child seat compatibility.
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
B0064 on Other Vehicles
Common Questions
What does code B0064 mean on a 2001-2005 BMW 325xi E46?
B0064 stands for "Child Seat Detection Circuit". Malfunction in the child seat detection system. This system uses the occupancy sensor or a dedicated transponder to detect a child restraint system.
What are the symptoms of B0064 on a BMW 325xi E46?
Common symptoms of B0064 include: Child seat indicator malfunction, Airbag light on, Airbag may deploy when child seat is installed, Child restraint not detected.
What causes B0064 on a 2001-2005 BMW 325xi E46?
Common causes of B0064 include: Faulty child seat detection transponder, OCS sensor mat failure, Wiring issue, Non-compatible child seat.