DTC U0163: Lost Communication with Navigation Control Module [12/2021 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Rear Console Switch > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Check for DTCs.

   Body Electrical > Rear Console Switch > Trouble Codes 

   Result

   Result	Proceed to
   U0163 is not output	A
   U0163 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

Result: 

B 

GO TO AUDIO AND VISUAL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]