DTC U0100-00: Lost Communication with ECM/PCM "A"; DTC U0101-00: Lost Communication with TCM; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U1106-00: Lost Communication with Electric Parking Brake Module; DTC U111A-00: Lost Communication with ECM/PCM "A" (ch2); DTC U117D-87: Lost Communication with Brake System Control Module (ch4) Missing Message [02/2024 - ]: Procedure

1. Perform the Health Check using the GTS.

   Result

   Result	Proceed to
   DTCs other than CAN communication system DTCs are output	A
   Only CAN communication system DTCs are output	B
   Other than above	C

Result: 

A 

GO TO DIAGNOSTIC TROUBLE CODE CHART (RELATED SYSTEM). Refer to  DIAGNOSTIC TROUBLE CODE CHART [02/2024 - ] 

Result: 

B 

INSPECT CAN COMMUNICATION SYSTEM 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2024 - ]

Result: 

C 

USE SIMULATION METHOD TO CHECK 

Refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2024 - ]