DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U010487: Lost Communication with Cruise Control Module; DTC U012287: Lost Communication with Vehicle Dynamics Control Module Missing Message [09/2017 - 05/2019]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Powertrain > Cruise Control > 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.

   Refer to DTC CHECK / CLEAR [09/2017 - 05/2019]

   Powertrain > Cruise Control > Trouble Codes 

   Result	Proceed to
   DTC U010087, U010487 and U012287 are not output	A
   DTC U010087, U010487 or U012287 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2017 - 05/2019]