CAN COMMUNICATION SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

The main body ECU (Multiplex network body ECU) stores DTCs when it detects a communication stop or network communication error for ECUs connected to sub bus 1.

Main Body ECU (Multiplex Network Body ECU) Output DTCs (Intelligent Tester Display/Main Body)
DTC Code	Detection Item	See page
U1115	Lost Communication with Tilt and Telescopic Module	Click here
U1002	Lost Communication with Gateway Module (Main Body ECU)	Click here