Toyota Yaris: Networking / Network Gateway Ecu

Power Source Control System Missing Message (B278C87)

DESCRIPTION When an internal malfunction is detected in the certification ECU (smart key ECU assembly), this DTC is stored. DTC No. Detection Item DTC Detection Condition Trouble Area B278C87 Power Source Control System Missing Message An internal malfunction occurs in the certification ECU (smart key ECU assembly)...

Components

COMPONENTS ILLUSTRATION *1 COWL SIDE TRIM BOARD RH *2 FRONT DOOR SCUFF PLATE RH *3 FRONT DOOR OPENING TRIM WEATHERSTRIP RH *4 GLOVE COMPARTMENT DOOR ASSEMBLY *5 LOWER NO...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Diagnostic Trouble Code Chart

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Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Generator Control Circuit Internal Electronic Failure (P062049)

DESCRIPTION The alternator performs self-diagnosis of its internal circuits to detect malfunctions (open or short circuits). The ECM receives the result via LIN communication and stores a DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P062049 Generator Control Circuit Internal Electronic Failure All of the following conditions are met (1 trip detection logic): Ignition switch ON...