B0224
Auto-Dimming Mirror Circuit
2001-2003 BMW 525i E39 2.5L I6 🇨🇦
Low SeverityBody
Description
Malfunction in the auto-dimming rearview or side mirror circuit.
Symptoms
- Mirror does not dim at night
- Mirror stays dimmed all the time
- Green tint to mirror
- Compass display not working (if equipped)
Common Causes
- Faulty electrochromic mirror element
- Light sensor failure
- Wiring issue
- Mirror control module fault
Diagnostic Steps
- Check mirror power and ground
- Test light sensor inputs
- Inspect mirror connector
- Verify mirror settings in vehicle menu
Repair Notes
Replace auto-dimming mirror assembly.
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
B0224 on Other Vehicles
Common Questions
What does code B0224 mean on a 2001-2003 BMW 525i E39?
B0224 stands for "Auto-Dimming Mirror Circuit". Malfunction in the auto-dimming rearview or side mirror circuit.
What are the symptoms of B0224 on a BMW 525i E39?
Common symptoms of B0224 include: Mirror does not dim at night, Mirror stays dimmed all the time, Green tint to mirror, Compass display not working (if equipped).
What causes B0224 on a 2001-2003 BMW 525i E39?
Common causes of B0224 include: Faulty electrochromic mirror element, Light sensor failure, Wiring issue, Mirror control module fault.