MANAGING DIAGNOSTIC TROUBLE CODES IN A VEHICLE
First Claim
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1. A method of managing diagnostic trouble codes (DTCs) in a vehicle, comprising the steps of:
- (a) generating at a vehicle a plurality of DTCs output from one or more diagnostic subtasks;
(b) assigning an ordinal number to each DTC independent of time based on the order in which the DTC occurred at the vehicle; and
(c) wirelessly transmitting to a central facility the plurality of DTCs along with the ordinal numbers assigned to each DTC.
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Abstract
A method of managing diagnostic trouble codes (DTCs) in a vehicle includes generating at a vehicle a plurality of DTCs output from one or more diagnostic subtasks; assigning an ordinal number to each DTC independent of time based on the order in which the DTC occurred at the vehicle; and wirelessly transmitting to a central facility the plurality of DTCs along with the ordinal numbers assigned to each DTC.
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Citations
15 Claims
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1. A method of managing diagnostic trouble codes (DTCs) in a vehicle, comprising the steps of:
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(a) generating at a vehicle a plurality of DTCs output from one or more diagnostic subtasks; (b) assigning an ordinal number to each DTC independent of time based on the order in which the DTC occurred at the vehicle; and (c) wirelessly transmitting to a central facility the plurality of DTCs along with the ordinal numbers assigned to each DTC. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method of managing diagnostic trouble codes (DTCs) in a vehicle, comprising the steps of:
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(a) generating at a vehicle a plurality of DTCs output from one or more diagnostic subtasks; (b) storing each DTC of the plurality of DTCs at the vehicle along with a condition that caused each DTC; (c) assigning an ordinal number that is independent of time to each stored DTC and condition; and (d) wirelessly transmitting to a central facility the plurality of DTCs and their corresponding conditions along with the assigned ordinal numbers. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A system of managing diagnostic trouble codes (DTCs) in a vehicle, comprising:
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a vehicle telematics unit comprising a processor, computer-readable memory, and an antenna, wherein the vehicle telematics unit; receives vehicle operational data from one or more vehicle sensor modules; generates a plurality of DTCs that are output from one or more diagnostic subtasks carried out using the processor; assigns an ordinal number to each DTC independent of time based on the order in which the DTC occurred; and wirelessly transmits to a central facility the plurality of DTCs along with the ordinal number assigned to each DTC via the antenna. - View Dependent Claims (14, 15)
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Specification