DTC U0100-41: Lost Communication with ECM/PCM "A"; DTC U0129-41: Lost Communication with Brake System Control Module; DTC U0130-41: Lost Communication with Steering Effort Control Module [03/2017 - 09/2018]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [03/2017 - 09/2018]

   Chassis > DRS > Clear DTCs 

2. Check for DTCs.

   Refer to DTC CHECK / CLEAR [03/2017 - 09/2018]

   Chassis > DRS > Trouble Codes 

   Result

   Result	Proceed to
   DTCs are not output	A
   DTCs are output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 04/2020] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 09/2018]