CAN COMMUNICATION SYSTEM(w/ Toyota Safety Sense) DIAGNOSTIC TROUBLE CODE CHART

Central gateway ECU
DTC Code	Detection Item	See page
B1003	ECU Malfunction	Click here

Sub bus 15 (Malfunction of sub bus 15)
DTC Code	Detection Item	See page
U0100	Lost Communication with ECM / PCM "A"	Click here
U0129	Lost Communication with Brake System Control Module	Click here
U0293	Lost Communication with HV ECU	Click here

Sub bus 15 (Open in sub bus branch, communication stop)
DTC Code	Detection Item	See page
U0129	Lost Communication with Brake System Control Module	Click here