Method and system for exchanging data between control devices
First Claim
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1. In a system for the exchange of data between a vehicle-mounted control device and a portable device having software for transmission to the vehicle-mounted control device stored therein, the improvement wherein the portable device has a diagnostic unit for identification of software in the vehicle-mounted control device.
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Abstract
A method and a system for exchanging data between at least one vehicle-mounted control device and a portable hand-held device, for example in the form of a key in which software for transmission to the at least one vehicle-mounted control device is stored.
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Citations
5 Claims
- 1. In a system for the exchange of data between a vehicle-mounted control device and a portable device having software for transmission to the vehicle-mounted control device stored therein, the improvement wherein the portable device has a diagnostic unit for identification of software in the vehicle-mounted control device.
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5. A method for exchanging data between control devices for a vehicle, the method which comprises:
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reading a software version of at least one vehicle-mounted control device with a portable hand-held device;
comparing the software version of the vehicle-mounted control device with a software version stored in the hand-held device, by means of a diagnostic unit of the portable hand-held device; and
if the software version of the vehicle-mounted control device is older than the software version stored in the hand-held device, transmitting the software stored in the hand-held device to the at least one vehicle-mounted control device.
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Specification