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Simulate ECU Functions

Don’t have the ECU you need for testing?

Need to quickly create a translator, gateway, or filter?


Creating a simulator, gateway, translator or network filter can be expensive and time-consuming, but our neoECUs can complete most rapid prototyping and gateway tasks for less than half the cost of other solutions. These devices are scripted using Vehicle Spy’s easy-to-learn Function Block scripting feature.

Capabilities include the following:

  • Simulate broadcast messages or network management exchanges
  • Simulate an ECU on your bench or desk
  • Create a gateway/translator to isolate traffic or to modify messages sent to a specific ECU
  • Filter unwanted network traffic in a subsystem or test cell

Most neoVIs also have the same capabilities, and can perform these tasks plus act as a vehicle network adapter simultaneously.

Restbus simulation is also possible using a neoVI and Vehicle Spy’s Simulation View.

Learn more about Vehicle Spy and Function Blocks…

Learn more about neoECUs

Simulate ECU Functions with Vehicle Spy
Related Tools:


neoOBD2 Simulator Includes two CAN / CAN FD channels and is designed for complex script-based simulations for interactive protocols such as ISO 14229, CCP/XCP, J1939 and more



Intrepid’s latest addition to the neoECU series integrates 100BASE-T1 and Gigabit Ethernet with a wide variety of multimedia interfaces to deliver a fully configurable AVB Endpoint.

neoECU 12

Low-cost node for CAN / CAN FD, and LIN? The neoECU 12 includes two CAN / CAN FD channels, LIN, analog In, PWM outputs and digital I/O. The node runs the Vehicle Spy CoreMini engine for easy setup.

neoECU 22

The neoECU 22 is a rapid prototyping tool for CAN, CAN FD, LIN and Ethernet. The neoECU 22 can be scripted to gateway, control and measure automotive network traffic and PDUs in minutes. Logic can be defined in Vehicle Spy’s Function Block scripts, or embedded C code, allowing you to keep your project moving.