DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; DTC U0101-87: Lost Communication with TCM Missing Message; DTC U0126-87: Lost Communication with Steering Angle Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" 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 Missing Message; DTC U0242-87: Lost Communication with Headlamp Control Module "B" Missing Message; DTC U114F-87: Lost Communication with Power Integration Module Missing Message [12/2021 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Headlight Control > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

Pre-procedure1

• Turn ignition switch to ON.
• Wait 10 seconds or more.

• Check for DTCs.

  Body Electrical > Headlight Control > Trouble Codes 

  Result

  Result	Proceed to
  DTCs are not output	A
  U0100-87, U0101-87, U0126-87, U0129-87, U0140-87, U0155-87, U0242-87 or U114F-87 is output	B

Post-procedure1

• None

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ] 

Result: 

B 

GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2021 - ]