View Our Australian Vehicle Compatibility List The ScanGauge requires the vehicle to be either OBDII or EOBD compatible. In the US and Canada, cars and light trucks were required to be OBDII compatible starting in 1996. In Europe, EOBD was phased in between 2002 and 2004. Other parts of the world have required one of them starting in various years. Many vehicles made and/or sold outside the US and Canada had one of the protocols before they were required in that country. This was to allow sales to other countries and because they knew they would eventually be required to meet the requirements and designed it in when they redesigned a particular model. There is no comprehensive list of when particular vehicles began using OBDII or EOBD in Australia. At this time most vehicles we have tested the ScanGauge II on do work, but there are a few that do not. For example the ScanGauge II does not work on most pre 2005 Toyota four wheel drives. It should be noted the ScanGaugeII does not work wi