OBD Workshops and Meetings

This page last reviewed November 3, 2014.




Documents from the OBD II Workshop: October 30, 2014
(originally posted October 29, 2014; revised November 3, 2014)

ARB held a public workshop on October 30, 2014 to discuss its current position and proposals regarding OBD II-related issues.  Here you will find the documents pertaining to the workshop:
  • Workshop Notice: Invitation (Mail-Out #ECARS 14-07) to the public and industry to discuss the proposed amendments to the OBD II regulation. This notice indicates the date (October 30), time, location, and a quick summary of the issues to be covered during the workshop.  (PDF - 800K)
  • Workshop Presentation: ARB workshop presentation of the proposed amendments.  (PDF - 2.13MB) (revised November 3, 2014)



Documents from the Heavy-Duty OBD and Medium-Duty OBD II Workshop: March 28, 2012

ARB held a public workshop on March 28, 2012 to discuss its current position and proposals regarding heavy-duty OBD and medium-duty OBD II-related issues. Here you will find the documents pertaining to the workshop:

  • Workshop Presentation: ARB workshop presentation of the proposed amendments. (PDF - 296K)
  • Workshop Notice: Invitation (Mail-Out #MSC 12-03) to the public and industry to discuss the proposed amendments to the heavy-duty OBD regulation and medium-duty OBD II regulation. This notice indicates the date (March 28), time, location, and a quick summary of the issues to be covered during the workshop. (PDF - 92K)
  • Workshop Report: Descriptions of the proposed amendments in the regulations. (PDF - 200K)
    • Attachment A: Draft Proposed Amendments to Heavy-Duty OBD Regulation: Draft proposed amendments to section 1971.1 of title 13, California Code of Regulations (CCR).  Proposed amendments are indicated by underline for additions and strikeout for deletions. (PDF - 2015K)
    • Attachment B: Draft Proposed Amendments to OBD II regulation: Draft proposed amendments to section 1968.2 of title 13, CCR.  Proposed amendments are indicated by underline for additions and strikeout for deletions.  Various portions of the regulations that are not modified by the proposed amendments are omitted from the text and indicated by "* * * *". (PDF - 61K)
  • Draft Heavy-Duty Hybrid Mail-Out Document: Draft ARB mail-out document (mentioned in workshop report) describing the requirements for 2013 and subsequent model year heavy-duty hybrid vehicles.  (PDF - 88K)

Documents from the Heavy-Duty OBD Workshop: October 15, 2008

ARB held a public workshop on October 15, 2008 to discuss its current position and proposals regarding heavy-duty OBD-related issues. Here you will find the documents pertaining to the workshop:

  • Workshop Presentation: ARB workshop presentation of the proposed regulation. (PDF - 256K)
  • Workshop Notice: Invitation (Mail-Out #MSC 08-25) to the public and industry to discuss the proposed amendments to the heavy-duty OBD regulation. This notice indicates the date (October 15), time, location, and a summary of the issues to be covered during the workshop. (PDF - 41K)
  • Workshop Report: Descriptions of the proposed amendments in the regulation. (PDF - 240K)
    • Attachment A: Draft Proposed Heavy-Duty OBD Regulation: Draft proposed regulation section 1971.1 of title 13, California Code of Regulations (CCR).  Proposed amendments are indicated by underline for additions and strikeout for deletions. (PDF - 557K)



Documents and Presentations from OBD II Public Workshop: November 16, 2005

ARB held a public workshop on November 16, 2005, to discuss its current position and proposals regarding OBD II-related issues. ARB also discussed amendments being proposed for the emission warranty regulations. Here you will find documents and presentations pertaining to the workshop:

  • Workshop Presentations: ARB workshop presentations of the proposed changes to the regulations.

    • ARB Presentation 1: Presentation detailing changes to gasoline monitoring requirements, testing requirements, enforcement regulation, and emission warranty regulation, among other things. (PDF - 414K)

    • ARB Presentation 2: Presentation detailing changes to diesel monitoring requirements. (PDF - 313K)

  • Workshop Notice: Invitation to the public and industry to discuss proposed changes to the regulations. This notice indicates the date, time, location, and a summary of the issues to be covered during the workshop. (PDF - 22K)

  • Draft OBD II Regulation: Draft regulatory language of the OBD II regulation incorporating theŌproposed amendments released November 3, 2005.

  • Draft Emission Warranty Regulation: Draft regulatory language of the emission warranty regulations incorporating the proposed amendments. (PDF - 110K)


Documents from the Heavy-Duty OBD Workshop: February 16, 2005

ARB held a public workshop on February 16, 2005 to discuss its current position and proposals regarding heavy-duty OBD-related issues, including proposed amendments to the service information regulation related to the proposed heavy-duty OBD regulation. Here you will find the documents pertaining to the workshop:

  • Workshop Presentations: ARB workshop presentations of the proposed regulation.
    • Presentation 1: Introduction to the draft proposed OBD regulation below. (PDF - 126K)
    • Presentation 2: Proposed OBD General Requirements. (PDF - 173K)
    • Presentation 3: Proposed OBD Monitoring Requirements.  (PDF - 287K)
    • Presentation 4: Proposed OBD Standardization Requirements. (PDF - 166K)
    • Presentation 5: Proposed OBD Demonstration Testing and Certification Requirements. (PDF - 145K)
    • Presentation 6: Proposed OBD PVE Testing and Enforcement Requirements. (PDF - 153K)
  • Workshop Notice: Invitation (Mail-Out #MSC 05-01) to the public and industry to discuss the proposed heavy-duty OBD regulation and amendments to the service information regulation. This notice indicates the date (February 16), time, location, and a summary of the issues to be covered during the workshop. Attached to the end of the notice is a request form indicating how to obtain hard copies of the draft proposed OBD regulation, the summary guide of the draft OBD regulation, and the draft proposed amendments to the service information regulation. (PDF - 87K)
  • Draft Proposed Heavy-Duty OBD Regulation: Draft proposed regulation section 1971.1 of title 13, California Code of Regulations (CCR). (PDF - 481K)
  • Summary Guide of the Draft Proposed Regulation: A guide to understanding the draft proposed heavy-duty OBD regulation. This document is intended to provide a brief description of the various elements of the proposed regulation and some background information, rationale, and examples to better understand the regulation. (PDF - 118K)
  • Draft Proposed Amendments to Service Information Regulation: Draft amendments to the service information regulation, section 1969 of title 13, CCR.  (PDF - 124K)

Documents and Presentations from the Heavy-Duty OBD Workshop: October 16, 2003

ARB held a public workshop on October 16, 2003 to discuss its current position and proposals regarding heavy-duty OBD-related issues. Here you will find the ARB workshop presentations and documents pertaining to the workshop:

  • Workshop Presentations: ARB workshop presentations of the proposed regulation.
    • Presentation 1: Introduction and summary of main modifications to the draft proposed regulation below. (PDF - 122K)
    • Presentation 2: Proposed Monitoring Requirements. (PDF - 246K)
    • Presentation 3: Proposed Standardization Requirements. (PDF - 130K)
    • Presentation 4: Proposed Testing Requirements. (PDF - 150K)
    • Presentation 5: Proposed Certification Requirements and Enforcement Issues. (PDF - 103K)
  • Revised Workshop Notice: Revised notice (Mail-Out #MSC 03-09) indicating the new date (October 16) and room location for the heavy-duty OBD workshop. (PDF - 243K)
  • Original Workshop Notice: Original invitation (Mail-Out #MSC 03-07) to the public and industry to discuss the proposed heavy-duty OBD regulation. This notice indicates the old date (August 13), time, location, and a summary of the issues to be covered during the workshop. Attached to the end of the notice is a request form indicating how to obtain hard copies of the draft staff report and regulation. (PDF - 372K) (for notice) and (PDF - 43K) (for request form)
  • Draft Preliminary Staff Report: Descriptions of the proposed requirements in the regulation. (PDF - 660K)
  • Draft Heavy-Duty OBD Regulation: Draft proposed regulatory language. (PDF - 399K)


Documents and Presentations from the OBD II Workshop: July 18, 2001

  • ARB Workshop Presentation: (PDF - 422KB)
  • Workshop Notice: Invitation to the public and industry to discuss proposed changes to the regulation. (PDF - 20K)
  • Preliminary Draft Staff Report: Descriptions of the proposed amendments to the regulation. (PDF - 209K)
  • Draft OBD II Regulation (Attachment A): Draft regulatory language incorporating the proposed amendments. (PDF - 242K)





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