DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0129: Lost Communication with Brake System Control Module; DTC U0130: Lost Communication with Steering Effort Control Module [09/2015 - ]: Procedure

1. Clear the DTCs. to DTC CHECK / CLEAR [09/2015 - ] .
2. Check for DTCs. to DTC CHECK / CLEAR [09/2015 - ] .
   RESULT
   
   

   Result	Proceed to
   DTC is not output.	A
   DTC is output.	B

Result: 

A 

USE SIMULATION METHOD TO CHECK 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - ] )

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) 

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2015 - 08/2020] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - ] )