How To Use An OBD-II Scanner An OBD-II scanner is a valuable tool for anyone who wants to take a proactive approach to vehicle maintenance and repair.

Did your vehicle's check-engine light just pop on? An OBD-II scanner can provide some direction. We tested a handful to find ...

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested 11 of them to find the best for different situations.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested 11 of them to find the best for different situations.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can provide some direction. We tested 11 of them to find the best for different situations.

Did your vehicle's Check Engine light just pop on? An OBD-II scanner can point you in the right direction—and potentially save you a bundle.

leagend BA670 OBD II Scanner & Battery Tester brings an integrated, professional-grade solution to automotive workshops, fleet maintenance teams, and technicians.

OBD-II is the standard diagnostics port in cars, and it's been that way for years. When did it replace OBD-I in motorcycles? Which one does your bike have?