Inspection Outline

Troubleshoot any DTCs listed or indicated systems below first.
- CAN Gateway System [ CAN gateway ] :
  - DTC U0029-00 ,
  - U0038-00 - Refer to:
    - DTC Troubleshooting: U0038-00 (2019 2020 2021) or
    - DTC Troubleshooting: U0038-00 (CAN Gateway) (2022 2023) ,
  - U0047-00 ,
  - U0056-00 ,
  - U0065-00 ,
  - U3000-49

NOTE: For more efficient troubleshooting, you may be able to eliminate some inspection items as potential failures based on the conditions of the failure and vehicle.

Do the HDS [ F-CAN Bus Connected Unit Check ].
- If the HDS indicates body control module is Not Available on Bus B:
- If the HDS indicates body control module is Detected on Bus B:

Inspection Items	Work Items
External Circuit	Communication (F-CAN B_H), Communication (F-CAN B_L) Open Wire Inspection	o
External Circuit	Communication (F-CAN) Open Wire Inspection* For DTC U0100: F-CAN A_H, F-CAN A_L, F-CAN B_H, F-CAN B_L For DTC U0122: F-CAN B_H, F-CAN B_L, F-CAN C_H, F-CAN C_L		o
Body Control Module	Body Control Module Inspection	o
Transmitting Control Unit	Transmitting Control Unit Inspection		o
*: Choose the work item based on the stored DTC.