VW Polo 9N3 Static CAN BUS Emulation

Small Arduino Program to emulate CAN BUS

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Hey folks!

I made this little Arduino Sketch for my VW Polo 9N3 cluster to emulate CAN BUS and let it believe whatever I want.
The Cluster is coming from a 2006 VW Polo 9N3 Diesel
Parts number: A2C53162939

The connector I use to plug the Arduino into the cluster is coming from a Skoda Fabia and has been modified by me. I use an Arduino UNO and a keyestudio CAN BUS Shield I bought off Aliexpress.

Currently working Things:
-Check Engine Light
-Disable or enable ABS
-Diesel Glowplugs
-Turn Signals
-Alternator Lamp
-Enable or disable Airbag Modules

Tell me if something isnt working and I will try to help as good as I can :)


Main Arduino Sketch, Ready to use

ino - 8.91 kB - 04/14/2021 at 09:21


  • 1 × Arduino UNO
  • 1 × Keyestudio CAN BUS Shield
  • 1 × VW Polo 9N3 Cluster
  • 1 × Skoda Fabia Cluster Connector
  • 1 × Jumper Wires

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