CAN timeout of BIS (Bosch radio)
â–¶ How to fix
Check the fuse, connectors, and cable harness and power supply failure.
What you'll see
Driver may lose control of the radio and other things connected to the infotainment system.
System reaction
Functions dependent on information from BIS might be degraded.
Diagnostic depth
Detection
Communication with the Bus Infotainment System (BIS) has timed out (communication interrupted).
Possible cause
• Faulty BIS unit. • Faulty grey CAN bus. • BIS unit disconnected from the grey CAN bus. • Power supply failure.