DTC U0142: Lost Communication With Mainbody ECU [12/2017 - 10/2023]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020] , or refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

   Body Electrical > Rear Left Door > Trouble Codes 

   Body Electrical > Rear Right Door > Trouble Codes 

2. Turn the engine switch on (IG) and wait for at least 10 seconds or more.
3. Check for DTCs.

   Refer to DTC CHECK / CLEAR [12/2017 - 09/2018] , or refer to DTC CHECK / CLEAR [09/2018 - 10/2020] , or refer to DTC CHECK / CLEAR [10/2020 - 10/2023]

   Body Electrical > Rear Left Door > Clear DTCs 

   Body Electrical > Rear Right Door > Clear DTCs 

   OK

   DTC U0142 is not output.

   Result

   Proceed to
   OK
   NG

Result: 

OK 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 10/2023] 

Result: 

NG 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 10/2023]