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Method, apparatus and system for retrofitting a vehicle

DC
  • US 9,871,671 B2
  • Filed: 04/09/2017
  • Issued: 01/16/2018
  • Est. Priority Date: 04/30/2007
  • Status: Expired due to Fees
First Claim
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1. A method, comprising:

  • providing a vehicle having a factory-installed first apparatus including a processor, programmed to communicate with a factory-installed second apparatus through a vehicle data bus with a first message having an identifier;

    electrically disconnecting the vehicle data bus between the factory-installed first apparatus and the factory-installed second apparatus;

    adding a second data bus to the vehicle;

    electrically connecting a retrofit apparatus to the vehicle data bus and to the second data bus;

    electrically connecting the factory-installed first apparatus to the second data bus; and

    transmitting a second message from the retrofit apparatus to the factory-installed first apparatus through the second data bus, the second message being indistinguishable from the first message.

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