DTC B1321-87: Lost Communication with EMV Missing Message [10/2018 - 07/2022]: Procedure

1. Check for DTCs.

   Body Electrical > Navigation System > Trouble Codes 

   Body Electrical > Combination Meter > Trouble Codes 

   Body Electrical > Head Up Display > Trouble Codes 

   Pattern	Display on Techstream / Output DTC
   	Navigation System		Combination Meter	Head Up Display
   Pattern 1	B1324	B1325	B132187	B132187
   Pattern 2	B1324	-	B132187	-
   Pattern 3	-	B1325	-	B132187

   Result

   Result	Proceed to
   Pattern 1 are output	A
   Pattern 2 are output	B
   Pattern 3 are output	C

Result: 

A 

GO TO NAVIGATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2018 - 07/2022] 

Result: 

B 

REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [10/2018 - 07/2022] 

Result: 

C 

GO TO HEADUP DISPLAY SYSTEM. Refer to  DTC B1321-87: Lost Communication with EMV Missing Message [10/2018 - 07/2022]