VDIAGTOOL VD31 OBD2 Scanner – Key Battery Test, Full OBDII Diagnostics & Car Code Reader, Quick Smog Check, Data Playback, Upgraded VD30

The VD31 is an upgraded OBD2 scanner that checks vehicle diagnostics, including key battery levels and smog readiness, for various makes and models produced since 1996.

• The description claims the VD31 can check the battery level of a vehicle’s key fob.
• The description claims the VD31 performs 10 OBDII tests for engine and emissions systems.