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On-Board Diagnostics, or OBD, in an automotive context, is a generic term referring to a vehicle's self-diagnostic and reporting capability. OBD systems give the vehicle owner or a repair technician access to state of health information for various vehicle sub-systems. The amount of diagnostic information available via OBD has varied widely since the introduction in the early 1980's of on-board vehicle computers, which made OBD possible. Early instances of OBD would simply illuminate a malfunction indicator light, or MIL, if a problem were detected—but would not provide any information as to the nature of the problem. Modern OBD implementations use a standardized fast digital communications port to provide myriad realtime data in addition to a standardized series of diagnostic trouble codes, or DTCs, which allow one to rapidly identify and remedy malfunctions within the vehicle.

The OTC Genisys is a sophisticated answer to just about any scanning need. The OTC Genisys provides scanning capabilities for a wide variety of cars, vans, and SUVs. Perhaps best of all, software upgrades (available through the Internet) can be directly uploaded to the unit, thus making the Genisys system a great choice for the shop that is dedicated to remaining on top of all the current car trends. OTC has ensured that their scanners are able to "grow" with the times, and they have been leaders in quality assurance for 75 years.

Perfect entry-level tool
Works on all 1996 and newer vehicles
Links to all OBD2 protocols including CAN to decode “Check Engine” light problems
Automatic refresh
Features unique patented all-in-one screen display
Perfect entry-level tool designed to empower any consumer when it comes to vehicle maintenance. Works on all 1996 and newer cars, light trucks, SUVs and minivans – Domestic and Import. Links to all OBD2 protocols including CAN to decode “Check Engine” light problems. Automatic refresh updates data every 30 seconds when connected to the vehicle – an easy way to verify repair completion. Features unique patented all-in-one screen display and LED display for quick emissions check.

EZ-Scan OBD-I Scanners are the most user-friendly, cost-efficient, and portable automotive diagnostic scanners available. In seconds, EZ-Scan Scanners give users the same information that dealers use on '83-'95 Domestic vehicles. Comprehensive features include: read and display live sensor information, show trouble and pending codes in English, access oxygen sensor tests, and display monitoring tests. Its affordability coupled with abundant features and upgradability make EZ-Scan Scanners ideal personal tools to complement any mechanic's current tool set. Just turn to AutoXray, of course.

The CP9175 is the Next Generation of Actron Scan Tools- designed by and built with Market Intelligence derived from you-the consumers. The new OBD II AutoScanner has more functions and benefits than other code readers currently available in the aftermarket.

The new trilingual code reader from Actron is Internet updateable, displays freeze frame data and users can choose to view screen data in English, Spanish or French.

OBD II AutoScanner CP9175 easily retrieves diagnostic trouble codes (DTCs) and code definitions from your vehicle's computer, leading you to the problem area. Use on all 1996 and newer OBD II compliant vehicles: North American, Asian & European.

OTC 3797 Nemisys Professional Multi-Function Diagnostic Kit

Featuring updated 2006 domestic and Asian software and TruLink technology. Unit diagnoses and clears codes on all 1996 domestic and import vehicles....

Equus OBD-I Ford Scan Tool.

For most Ford, Lincoln, Mercury from 1981 to 1995 domestic cars, trucks & vans.