U691 Universal Oil Reset Airbag OBD2 Diagnostic Scanner

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U691 Universal Oil Reset & Diagnostic Scanner

The U691 is specially designed to reset oil service light, oil inspection light, service mileage, service intervals and airbag on most major Asian, American and European vehicles.

Latest update! Now U691 also has diagnostic functions for most OBD2 Cars (including CAN BUS vehicles) just like our U581 scanner! Please click HERE for detailed functions of U581 scanner.

That means if you buy this U691 universal oil reset tool, you will have a U581 diagnostic code reader as well!


  • Reset functions work on following car makes

Acura, Audi, BMW, Buick, Cadillac, Chevrolet, Chevrolet / GMC, Chrysler, Ford / Mercury / Lincoln, Honda, Isuzu, Jeep, Land Rover, Mercedes, Nissan/Infiniti, Oldsmobile, Pontiac, Saab, Saturn, Scion, Seat, Skoda, Toyota/Lexus, Volvo, VW.

Please note the available reset functions might be different on different car makes and models. Some reset are done via OBD2 16 pin connection, some only give user the instructions on how to do it on car. If you have questions about compatible models or functions, please send us message before you make the purchase.

  • U581 Diagnostic Functions

Read and Erase "Check Engine Light" related fault on most OBD2/EOBD cars, protocols including VPW, PWM, ISO, KWP2000 and CAN protocols. For detailed diagnostic functions, please check our listings for U581

Package Includes

  • U691 Main Unit
  • Extension cable
  • 16 PIN OBD2 Adaptor
  • BMW 20 PIN Adaptor
  • Mercedes 38 PIN Adaptor
  • VW/AUDI 2x2 Adaptor
  • User's Manual

U691 scanner

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