Toyota Corolla Cross: Front Brake Flexible Hose

 If a warning light turns on or a warning buzzer sounds

Calmly perform the following actions if any of the warning lights comes on or flashes. If a light comes on or flashes, but then goes off, this does not necessarily indicate a malfunction in the system. However, if this continues to occur, have the vehicle inspected by your Toyota dealer. Actions to

 Central Gateway ECU System Internal Failure (B102004)

DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area Note B102004 Central Gateway ECU System Internal Failure A malfunction in the non-volatile storage of the central gateway ECU (ne