DTC U0122-87: Lost Communication with Vehicle Dynamics Control Module Missing Message [11/2015 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [11/2015 - ]

   Powertrain > Cruise Control > Clear DTCs 

4. Perform the following to make sure that the DTC detection conditions are met.

   HINT: 

   If the detection conditions are not met, the malfunction cannot be detected.

   1. Drive the vehicle at a speed for which cruise control system operation is possible.
   2. Turn the cruise control system on using the cruise control main switch (ON-OFF).
   3. Push the cruise control main switch to -SET to begin control of vehicle speed using the cruise control system.
5. Check for DTCs.

   Refer to DTC CHECK / CLEAR [11/2015 - ]

   Powertrain > Cruise Control > Trouble Codes 

   Result

   Result	Proceed to
   DTC U0122-87 is not output	A
   DTC U0122-87 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - 12/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2018 - 07/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - 06/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2021 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2015 - 12/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2018 - ]