A wheelchair electric device to cause a wheelchair to run by driving a left wheel by a first drive motor and driving a right wheel by a second drive motor, comprising: a left wheel controller configured to calculate first output information based on first input information related to a drive control of the left wheel and control the first drive motor by the first output information; a right wheel controller configured to calculate second output information based on second input information related to a drive control of the right wheel and control the second drive motor by the second output information; a communication I/F of the left wheel controller configured to transmit at least part of the first input information and the first output information as first drive related information related to the drive of the left wheel; and a communication I/F of the right wheel controller configured to transmit at least part of the second input information and the second output information as second drive related information related to the drive of the right wheel; wherein the communication I/F of the right wheel controller is configured to receive the first drive related information transmitted from the communication I/F of the left wheel controller; and the communication I/F of the left wheel controller is configured to receive the second drive related information transmitted from the communication I/F of the right wheel controller; characterized in that the presence or absence of a drive abnormality of the left wheel is determined based on the first drive related information received by the communication I/F of the right wheel controller and the presence or absence of a drive abnormality of the right wheel is determined based on the second drive related information received by the communication I/F of the left wheel controller; the left wheel controller is configured to determine the presence or absence of the drive abnormality of the right wheel based on the second drive related information received by the communication I/F of the left wheel controller; and the right wheel controller is configured to determine the presence or absence of the drive abnormality of the left wheel based on the first drive related information received by the communication I/F of the right wheel controller. a left wheel controller configured to calculate first output information based on first input information related to a drive control of the left wheel and control the first drive motor by the first output information; a right wheel controller configured to calculate second output information based on second input information related to a drive control of the right wheel and control the second drive motor by the second output information; a communication I/F of the left wheel controller configured to transmit at least part of the first input information and the first output information as first drive related information related to the drive of the left wheel; and a communication I/F of the right wheel controller configured to transmit at least part of the second input information and the second output information as second drive related information related to the drive of the right wheel; wherein the communication I/F of the right wheel controller is configured to receive the first drive related information transmitted from the communication I/F of the left wheel controller; and the communication I/F of the left wheel controller is configured to receive the second drive related information transmitted from the communication I/F of the right wheel controller; characterized in that the presence or absence of a drive abnormality of the left wheel is determined based on the first drive related information received by the communication I/F of the right wheel controller and the presence or absence of a drive abnormality of the right wheel is determined based on the second drive related information received by the communication I/F of the left wheel controller; the left wheel controller is configured to determine the presence or absence of the drive abnormality of the right wheel based on the second drive related information received by the communication I/F of the left wheel controller; and the right wheel controller is configured to determine the presence or absence of the drive abnormality of the left wheel based on the first drive related information received by the communication I/F of the right wheel controller.