WiFi malfunction
Restart the infotainment system and check if the DTC remains active. Try to connect the infotainment system to a WiFi. If that is possible there should be no general problem with the WiFi module. The driver can monitor if any fault remains. The WiFi module cannot be replaced separately. Note. Before replacing the infotainment system update to the latest available software.
What you'll see
It's not possible to connect the infotainment system to a WiFi.
System reaction
No system-reaction text recorded.
Diagnostic depth
If the parameter System_WIFI = on and No or faulty information from WiFi module. This fault will be checked in run-time.
Wifi/BT is a combo chip from Marvel. HCI_FATAL_ERROR will be reported by the stack when the chip goes to error state or when the chip doesn’t respond. For example if RX & TX of UART line is shorted.