Toyota Yaris: Can Communication System / Diagnostic Trouble Code Chart

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual / Power Source & Network / Networking / Can Communication System / Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Diagnostic Trouble Code Chart

DTC No.	Detection Item	Trouble Area	Link
B102004	Central Gateway ECU System Internal Failure	Central gateway ECU (network gateway ECU)
U117087	Lost Communication With Brake System Control Module(ch2) Missing Message	CAN main/branch bus lines or connector Engine stop and start ECU Brake actuator assembly Central gateway ECU (network gateway ECU) No. 6 global CAN junction connector

Data List / Active Test

DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

Central Gateway ECU System Internal Failure (B102004)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B102004 Central Gateway ECU System Internal Failure A malfunction in the non-volatile storage of the central gateway ECU (network gateway ECU) is detected...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Using the GTS, check the vehicle condition (ECU, sensor) when the brake system operates or a DTC is output. CHECK FREEZE FRAME DATA WHEN DTC WAS STORED HINT: Freeze frame data is stored when a DTC is output. Once freeze frame data is stored when a DTC is output, it is not updated or cleared until the DTC is cleared...

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: ECM Communication (C124A00)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from C124A00 ECM Communication Any of the following is detected: The engine type, powertrain variation, engine stop and start ECU availability and destination information sent from the ECM do not match the information stored in the skid control ECU (brake actuator assembly)...