DTC U0100: Lost Communication with ECM / PCM "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0131: Lost Communication with Power Steering Control Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0151: Lost Communication with Restraints Control Module: Procedure

1. Check if CAN communication DTCs are output. Refer to HOW TO PROCEED WITH TROUBLESHOOTING .

   Result

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

   HINT: 

   If CAN communication system DTC U0100, U0129, U0131, U0142 or U0151 and another DTC are output at the same time, perform troubleshooting for CAN communication system DTC U0100, U0129, U0131, U0142 or U0151 first.

B → See step   2 

A → See step   3