B0460
Infotainment System Communication Error
2016-2021 Mazda CX-3 2.0L I4 🇷🇺
Low SeverityBody
Description
Communication loss between the infotainment head unit and other vehicle modules on the entertainment bus.
Symptoms
- Infotainment screen blank
- No audio output
- Navigation not working
- Vehicle settings inaccessible
- Backup camera not displaying
Common Causes
- Head unit internal failure
- CAN/MOST bus wiring issue
- Head unit software crash
- Power supply fault
- Connector corrosion
Diagnostic Steps
- Attempt system reboot (hold power button)
- Check head unit power and ground
- Scan for communication faults
- Inspect bus wiring
- Check for software updates
Repair Notes
Reboot head unit first. If persistent, check bus wiring or replace head unit.
Related Codes
Other Body Codes
- B0001Driver Frontal Stage 1 Deployment Control
- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0003Passenger Frontal Stage 1 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0004Passenger Frontal Stage 2 Deployment Control
- B0005Driver Knee Airbag Deployment Circuit
- B0005Driver Knee Airbag Deployment Circuit
B0460 on Other Vehicles
Common Questions
What does code B0460 mean on a 2016-2021 Mazda CX-3?
B0460 stands for "Infotainment System Communication Error". Communication loss between the infotainment head unit and other vehicle modules on the entertainment bus.
What are the symptoms of B0460 on a Mazda CX-3?
Common symptoms of B0460 include: Infotainment screen blank, No audio output, Navigation not working, Vehicle settings inaccessible, Backup camera not displaying.
What causes B0460 on a 2016-2021 Mazda CX-3?
Common causes of B0460 include: Head unit internal failure, CAN/MOST bus wiring issue, Head unit software crash, Power supply fault, Connector corrosion.