Teensy 4.0 OBDII CAN-Bus ECU Simulator with Enclosure

This is a CAN-Bus OBDII ECU simulator using the Teensy 4.0 module (included). Useful for testing OBDII interface and writing diagnostic software. ECU PIDs parameters adjustable via potentiometers.

This board requires a 12v supply. A 12v adapter is included with UK, US, EU, AU plug.

   

• Teensy 4.0 module (installed)
• Teensy pre-programmed with OBDII ECU simulator firmware
• 500kb/s CAN speed
• Open source firmware
• Female OBDII socket with 12v supply to interface
  
• 6x potentiometers for PID adjustment 
  
• 12v supply. External 12v PSU included with UK, US, EU AU plug
• Firmware Features :
  
• SAE standard J1979. PIDs partially implemented. Mode 01, 02, 03
• Adjustable PID parameters via potentiometers
• Engine RPM
• Throttle position
• Vehicle speed
• Coolant temperature
• MAF airflow sensor
• O2 sensor voltages
• Setting and clearing Diagnostic Trouble Codes (DTC) 
• Open source firmware, other PIDs can be added

• Schematic
• Teensy 4.0 demo sketch
• User guide