DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0104-87: Lost Communication with Cruise Control Module Missing Message; DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message [11/2023 - ]: Procedure

1. Clear the DTCs.

   Powertrain > Radar Cruise 1 > Clear DTCs 

2. Make sure that the DTC detection conditions are met.

   HINT: 

   If the detection conditions are not met, the system cannot detect the malfunction.

3. Check for DTCs.

   Powertrain > Radar Cruise 1 > Trouble Codes 

   OK

   DTCs are not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2023 - ]