Title Headline Basic Diagnostics OBDII Device BASIC DIAGNOSTICS Price Headline Included with purchase Not available for purchase in Main ALLDATA SHARE Title Headline Basic Diagnostics OBDII Device BASIC DIAGNOSTICS Price Headline Included with purchase Not available for purchase in Main ALLDATA SHARE Included free with purchase of ALLDATA’s Diagnostic scan tool. The OBDII device attaches to the vehicle’s OBDII port and enables access to basic diagnostic functions through the ALLDATA Mobile application.