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Securing vehicle service tool data communications

  • US 9,179,311 B2
  • Filed: 10/04/2013
  • Issued: 11/03/2015
  • Est. Priority Date: 10/04/2013
  • Status: Active Grant
First Claim
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1. A method of securely accessing a vehicle module within a vehicle, comprising the steps of:

  • (a) receiving at a vehicle diagnostic tool a challenge query from the vehicle;

    (b) establishing a wireless connection between the vehicle diagnostic tool and a central facility;

    (c) transmitting the challenge query from the vehicle diagnostic tool to the central facility via the wireless connection;

    (d) receiving at the vehicle diagnostic tool a response to the challenge query sent from the central facility via the wireless connection;

    (e) sending the received response to the vehicle;

    (f) obtaining authorization from the vehicle for the vehicle diagnostic tool to access one or more vehicle modules based on the response; and

    (g) accessing the one or more vehicle modules from the vehicle diagnostic tool based on the authorization obtained from the vehicle.

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