DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0125-87: Lost Communication With Multi-axis Acceleration Sensor Module Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication With Brake System Control Module Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0164-87: Lost Communication with HVAC Control Module Missing Message; DTC U0293-87: Lost Communication with Hybrid/EV Powertrain Control Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message [12/2019 - 11/2023]: Procedure

CHECK DTC OUTPUT

Using the GTS, check for DTCs according to the prompts on the screen.
HINT:

After turning the ignition switch from off to ON, wait 10 seconds or more before checking for DTCs.

Body Electrical > Clearance Warning > Trouble Codes
Clear the DTCs according to the screen on the GTS.
Body Electrical > Clearance Warning > Clear DTCs

Recheck for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

OK

No DTCs are output.

HINT:

If CAN communication system DTCs are stored, they may also be stored in other systems.
If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
If these DTCs are output frequently, duplicate the conditions that caused the problem symptoms and perform troubleshooting again, even though DTCs were not output when rechecking for DTCs.

Result

Result	Proceed to
OK	A
NG (for Gasoline Model)	B
NG (for HV Model)	C

Result:

A

USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]

Result:

B

GO TO CAN COMMUNICATION SYSTEM (for Gasoline Model). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023]

Result:

C

GO TO CAN COMMUNICATION SYSTEM (for HV Model). Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - 11/2023]