B0441low severityBody
Head-Up Display System Malfunction
on 2010 Mazda Mazda3 2.5L I4 · FWD
What this code means
Malfunction in the head-up display (HUD) projection system.
Symptoms
- HUD image not visible
- HUD image distorted
- HUD brightness incorrect
- HUD position cannot be adjusted
- HUD flickers
Common causes
- Faulty HUD projector unit
- HUD combiner lens damaged
- Windshield not HUD-compatible (aftermarket replacement)
- Wiring issue
- HUD control module fault
Diagnostic steps
- Check HUD fuse
- Test HUD projector unit power
- Inspect combiner lens or windshield coating
- Verify windshield is HUD-compatible
- Check HUD settings in vehicle menu
Repair notes
Replace HUD projector unit. Ensure windshield is HUD-compatible if recently replaced.
Other Body codes on this vehicle
B0001
Driver Frontal Stage 1 Deployment Control
B0002
Driver Frontal Stage 2 Deployment Control
B0003
Passenger Frontal Stage 1 Deployment Control
B0004
Passenger Frontal Stage 2 Deployment Control
B0005
Driver Knee Airbag Deployment Circuit
B0006
Passenger Knee Airbag Deployment Circuit
B0007
Rear Left Side Airbag Deployment Circuit
B0008
Rear Right Side Airbag Deployment Circuit
B0010
Driver Side Airbag Deployment
B0011
Driver Side Airbag Deployment Circuit Open