Calibrating the speedometer

On the SAAB 9-3 (code name 9400, model year 1998-2002 + 2003CV) and 9-5 (code name 9600, model year 1998-2010) the Tech2 can program the Main Instrument Unit (MIU) with various tire sizes, so the speedometer is more accurate.


  • SAAB 9-3 MY98-02/MY03 CV or SAAB 9-5 MY98-MY10
  • Tech2 (CANDi module for Saab 9-5 MY06 and newer)
  • SAAB 1XX.000 PCMCIA card
  • Tire size specifications Gather tire sizes.


  • Select F0: Diagnostics
  • Select Model Year
  • Select Saab 9-3 or Saab 9-5
  • Select F3: Body
  • Select MIU (Main Instrument Unit)
  • Select Speedometer
  • Choose your tire size in the list or press Manual to enter the dynamic tire circumference manually
  • Select OK to program the new value