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 (2020-2026) Owner's Manual: Speedometer, Odometer, Trip Meter and Trip Meter Selector

Speedometer The speedometer indicates the speed of the vehicle. If a few seconds have elapsed after switching the ignition off, the needle may deviate. However, this does not indicate a problem. Odometer, Trip Meter and Trip Meter Selector The display mode can be changed from odometer to trip meter A to trip meter B and then back to odometer by pressing the selector while one of them is displayed...

Toyota Yaris XP210 (2020-2026) Owner's Manual: Vehicle Engine Control Unit Reset Procedure

After replacing the engine oil, have a repair shop such as your Toyota dealer perform the initialization (engine oil data resetting) of the recorded value. If the value recorded by the computer is not initialized, the wrench indicator light may not turn off or it may turn on earlier than normal...