LAUNCH
51
retrieve a list of information (provided by the vehicle manufacturer) from the
vehicle’s on-board computer. This information may include:
•
VIN
(Vehicle identification Number). It is applicable to model year 2000 and
newer OBD II-compliant vehicles.
•
CID
(Calibration ID). These IDs uniquely identify the software version(s) for
the vehicle’s control module(s).
•
CVN
(Calibration Verification Number). CVNs are used to determine if
emission-related calibrations for the vehicle under test have been changed.
One or more CVNs may be returned by the vehicle’s computer.