The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 03, 2013
Filed:
Sep. 13, 2006
Daniel P. Grenn, Highland, MI (US);
Marek L. Wilmanowicz, Pinckney, MI (US);
Aniket Kothari, Southfield, MI (US);
Leonard G. Wozniak, Ann Arbor, MI (US);
Rick H. Schroeder, Lapeer, MI (US);
Andrew M. Zettel, Ann Arbor, MI (US);
Peter E. Wu, Brighton, MI (US);
Wei D. Wang, Troy, MI (US);
Michael J. Taljonick, Davison, MI (US);
Jayanthi Padmanabhan, Troy, MI (US);
Daniel P. Grenn, Highland, MI (US);
Marek L. Wilmanowicz, Pinckney, MI (US);
Aniket Kothari, Southfield, MI (US);
Leonard G. Wozniak, Ann Arbor, MI (US);
Rick H. Schroeder, Lapeer, MI (US);
Andrew M. Zettel, Ann Arbor, MI (US);
Peter E. Wu, Brighton, MI (US);
Wei D. Wang, Troy, MI (US);
Michael J. Taljonick, Davison, MI (US);
Jayanthi Padmanabhan, Troy, MI (US);
GM Global Technology Operations LLC;
Electronic Data Systems Corporation, Plano, TX (US);
Abstract
A distributed on-board diagnostic (OBD) architecture for a control system of a vehicle includes a plurality of control modules that are in communication with one another and a designated master OBD control module that is one of the plurality of control modules. The master OBD control module performs functions that a remainder of the plurality of control modules are incapable of performing including at least one of arbitrating a malfunction indicator lamp (MIL) state, arbitrating and storing OBD freeze frame data and determining OBD status flags of the remainder of the plurality of control modules.