DTC U0100-87: HEG Communication Error (CAN) (ADS_C1-Bus) Communication is Lost; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0131-87: Lost Communication With Power Steering Control Module Missing Message [10/2022 - ]: Procedure

Pre-procedure1

• In accordance with the display on the GTS, select the "Health Check" menu.

• Check if DTCs of related systems or the CAN communication system are output.

  Result

  Result	Proceed to
  DTC U0100-87 is output together with one or more DTCs of a related system	A
  Other than above	B

Post-procedure1

• None

Result: 

A 

GO TO DIAGNOSTIC TROUBLE CODE CHART (RELATED SYSTEM) 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 08/2023]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [08/2023 - ]