Securing vehicle service tool data communications
First Claim
Patent Images
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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Abstract
A system and method of securely communicating information between a vehicle and a central facility includes receiving at a vehicle diagnostic tool a challenge query from the vehicle; establishing a wireless connection between the vehicle diagnostic tool and a central facility; transmitting the challenge query from the vehicle diagnostic tool to the central facility via the wireless connection; receiving at the vehicle diagnostic tool a response to the challenge query via the wireless connection; and accessing one or more vehicle modules on the vehicle using the received response to the challenge query.
14 Citations
20 Claims
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1. A method of securely accessing a vehicle module within a vehicle, comprising the steps of:
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(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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method of securely accessing a vehicle module within a vehicle, comprising the steps of:
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(a) communicatively linking a vehicle diagnostic tool with the vehicle; (b) attempting to communicate with one or more vehicle modules located on the vehicle using the vehicle diagnostic tool; (c) receiving at the vehicle diagnostic tool a challenge query sent from the vehicle; (d) transmitting the challenge query using a separate wireless device to a central facility; (e) receiving a response to the challenge query sent from the central facility at the vehicle diagnostic tool from the separate wireless device; (f) sending the received response to the vehicle; (g) obtaining authorization from the vehicle for the vehicle diagnostic tool to access one or more vehicle modules based on the response; and (h) accessing information from the one or more vehicle modules from the vehicle diagnostic tool based on the authorization obtained from the vehicle. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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16. A system of securely accessing a vehicle module within a vehicle, comprising:
a vehicle diagnostic tool that includes one or more communication ports for sending and receiving information between the vehicle and a separate wireless device capable of communicating with a central facility via one or more cellular communication protocols, wherein the vehicle diagnostic tool communicates with the vehicle and wireless device to exchange a challenge query and a response to the challenge query between the vehicle and the central facility, wherein the vehicle diagnostic tool obtains authorization from the vehicle to access one or more vehicle modules after receiving and sending the response to the challenge query to the vehicle. - View Dependent Claims (17, 18, 19, 20)
Specification