Some instrument clusters are picky. If you are reading on a bench (not in the car), ensure your power supply is stable; sometimes a full 14V is required for a successful read. Step-by-Step: Reading Your First Dump
Allows for the adjustment of odometer values in the instrument cluster.
for newer CAN-bus models starting after 2004, such as the Golf Mk5/6/7 or Passat B6/7. Hardware requirements : Operates via a standard K-Line (KKL)
: Reads the secret "Login Code" (PIN) from the immobilizer to allow key programming. Mileage Correction