DTC U0154: Lost Communication With Restraints Occupant Classification System Module; DTC U1104: Lost Communication With Driving Support ECU; DTC U124F: Lost Communication With Pedestrian Protection ECU [12/2017 - 09/2018]: Procedure

1. Clear The DTCs.

   Refer To DTC Check / Clear [12/2017 - 10/2023]

   Body Electrical > SRS Airbag > Clear DTCs 

   Result

   Proceed To
   Next

Result: 

Next 

See Step  2

1. Turn The Engine Switch On (Ig), And Wait For At Least 60 Seconds.
2. Check For DTCs.

   Refer To DTC Check / Clear [12/2017 - 10/2023]

   Body Electrical > SRS Airbag > Trouble Codes 

   Result

   Proceed To
   DTC U0154, U1104 And U124F Are Not Output
   DTC U0154, U1104 Or U124F Is Output

Result: 

DTC U0154, U1104 And U124F Are Not Output 

Use Simulation Method To Check. Refer To  How To Proceed With Troubleshooting [12/2017 - 09/2018] 

Result: 

DTC U0154, U1104 Or U124F Is Output 

Go To CAN Communication System. Refer To  How To Proceed With Troubleshooting [12/2017 - 09/2018]