You want to blow up a car, or a bus, or an airplane; you will use sabotage. and interfer with the motor, the speed, the battery power, and the performance.

CAN BUS HACK 

CAN / CANopen / J1939 / NMEA2000 / DeviceNet - Analyzer

Very simple tool for users who need to interface with a device based on CAN (CAN/CANopen/J1939/NMEA2000/DeviceNet) such as motors, sensors and many other devices. 

http://www.adfweb.com/Home/products/CAN_BUS_analyzers.asp?frompg=GooHardware&loc_phy=1011747&k001=p&c1-k1=can%20bus%20sniffer&d=c&gclid=EAIaIQobChMIpJzI8KmG1wIVcjPTCh1HqwR4EAAYASAAEgIobvD_BwE