DTC U0100/56: Lost Communication with ECM / PCM "A"; DTC U0101/56: Lost Communication with TCM; DTC U0125/56: Lost Communication with Yaw Rate Sensor Module; DTC U0126/56: Lost Communication with Steering Angle Sensor Module; DTC U0129/56: Lost Communication with Brake System Control Module [08/2015 - ]: Procedure

1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - ] ).
2. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - ] ).
   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 [08/2015 - 08/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ] )

Result: 

B 

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

(Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] )