DTC U0100, U0129, U0131, U0142, U0151, U0163, U023A, U1104; Lost Communication with ECM / PCM "A" [08/2016 - ]: Procedure

1. Check if CAN communication DTCs are output.

   w/ Central Gateway ECU: refer to DIAGNOSIS SYSTEM [08/2016 - ]

   w/o Central Gateway ECU: refer to DIAGNOSIS SYSTEM [08/2016 - 08/2017] or DIAGNOSIS SYSTEM [08/2017 - ]

   Body Electrical > Combination Meter > Trouble Codes 

   Result

   Result	Proceed to
   CAN communication DTCs are output.	A
   CAN communication DTCs are not output.	B

Result: 

A 

GO TO CAN COMMUNICATION SYSTEM 

w/ Central Gateway ECU: refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ]

w/o Central Gateway ECU: refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - ]

Result: 

B 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - 08/2017]  or  HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ]