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 [03/2017 - 06/2017]: Procedure

1. Clear the DTCs.

   Powertrain > Cruise Control > Clear DTCs 

2. Perform the following procedure.

   HINT: 

   If the following procedure is not performed, the previously output DTC cannot be detected.

   1. Turn the ignition switch to ON.
   2. Turn the dynamic radar cruise control system on using the cruise control main switch.
   3. Drive the vehicle at 36 km/h (22 mph) or more for 5 seconds or more.
3. Check for DTCs.

   Powertrain > Cruise Control > Trouble Codes 

   Result

   Result	Proceed to
   DTC U0100-87, U0104-87 and U0122-87 are not output	A
   DTC U0100-87, U0104-87 or U0122-87 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - 06/2017] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [03/2017 - ]