DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0131-87: Lost Communication with Power Steering Control Module "A" Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message [11/2021 - ]: Procedure

1. Check for DTCs.

   Body Electrical > Front Side Radar "A" > Trouble Codes 

   Result

   Result	Proceed to
   CAN communication system DTC is not output	A
   CAN communication system DTC is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM 

for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]

for HEV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - ]