B0223
Heated Mirror Circuit
2012-2015 BMW 320i 2.0L I4 Turbo N20
Low SeverityBodyGeneric (SAE)
Description
Malfunction in the heated mirror circuit. The mirror defroster element is not functioning.
Symptoms
- Mirrors do not defrost
- Mirror stays fogged in cold/humid conditions
- Heated mirror indicator not working
Common Causes
- Burnt out mirror heating element
- Faulty heated mirror switch
- Wiring damage
- Relay failure
- BCM output issue
Diagnostic Steps
- Test heated mirror switch
- Check heated mirror relay
- Measure voltage at mirror heater connector
- Test heater element resistance
- Check BCM output
Repair Notes
Replace mirror glass with integrated heater or repair wiring.
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
B0223 on Other Vehicles
Common Questions
What does code B0223 mean on a 2012-2015 BMW 320i?
B0223 stands for "Heated Mirror Circuit". Malfunction in the heated mirror circuit. The mirror defroster element is not functioning.
What are the symptoms of B0223 on a BMW 320i?
Common symptoms of B0223 include: Mirrors do not defrost, Mirror stays fogged in cold/humid conditions, Heated mirror indicator not working.
What causes B0223 on a 2012-2015 BMW 320i?
Common causes of B0223 include: Burnt out mirror heating element, Faulty heated mirror switch, Wiring damage, Relay failure, BCM output issue.