DTC U0073: Control Module Communication Bus OFF; DTC U0100: Lost Communication with ECM / PCM; DTC U0123: Lost Communication with Yaw Rate Sensor Module; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0151: Lost Communication with Airbag ECU [03/2017 - 06/2017]: Procedure

1. Clear the DTCs.

   Chassis > ABS/VSC/TRAC > Clear DTCs 

2. Turn the ignition switch off.
3. Turn the ignition switch to ON.
4. Enter the following menus: System Select / Health Check.
5. Check for DTCs.

   Result

   Result	Proceed to
   DTCs for related systems are output together with DTC U0073, U0100, U0123, U0126 or U0151.	A
   U0073, U0100, U0123, U0126 or U0151 is output	B
   DTCs are not output	C

Result: 

A 

GO TO DIAGNOSTIC TROUBLE CODE CHART (RELATED SYSTEM). Refer To  DIAGNOSTIC TROUBLE CODE CHART [03/2017 - 06/2017] 

Result: 

B 

INSPECT CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ] 

Result: 

C 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 06/2017]