DTC U0075-88: Control Module Communication Bus "C" Off Bus Off; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0151-87: Lost Communication with Restraints Control Module Missing Message; DTC U1104-87: Lost Communication with Driving Support ECU Missing Message [12/2017 - 10/2020]: Procedure
- CLEAR DTCS
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Seat Belt Control / Clear DTCs.
Body Electrical > Seat Belt Control > Clear DTCs
- Check for DTCs by following the prompts on the Techstream screen.
Result
Proceed to NEXT
Result:
NEXT
See step 2
- CHECK FOR DTC
- Connect the Techstream to the DLC3.
- Turn the engine switch on (IG).
- Turn the Techstream on.
- Enter the following menus: Body Electrical / Seat Belt Control / Trouble Codes.
- Check for DTCs and note any DTCs that are output.
Body Electrical > Seat Belt Control > Trouble Codes
OK
DTC U0075-88, U0129-87, U0140-87 U0151-87 and U1104-87 are 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]
Result:
NG
GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2017 - 09/2018] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]