VD30Pro OBD2 Scanner Check Engine Light Fault Code Reader Live Data Diagnostic [Key Reasons To Buy VD30] ✅Check engine light/off MIL (malfunction indicator light) ✅Helps pass vehicle safety and emissions inspections ✅Full OBDII diagnostics ✅DTC offline query ✅Battery test ✅Data can be played back and printed ✅Supports 11 languages and extensive vehicle coverage ✅Free lifetime updates.