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The guide details when to route specific vehicles to a Referee station, including state-run locations across California. It also covers requirements for entering correct VIN and certification details for special test configurations, plus recall and warranty guidance and revision history.",{"@graph":69,"@context":122},[70,84,105],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/on-board-diagnostic-test-reference-obd-smog-check-guidance/662423/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/on-board-diagnostic-test-reference-obd-smog-check-guidance/662423.png","ImageObject",300,407,{"name":92,"@type":93},"Malam Tenang","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-29","2026-10-28",true,{"@type":102,"interactionType":103,"userInteractionCount":8},"InteractionCounter",{"@type":104},"ViewAction",{"@type":106,"mainEntity":107},"FAQPage",[108,114,118],{"name":109,"@type":110,"acceptedAnswer":111},"What does the reference provide for Smog Check inspections?","Question",{"text":112,"@type":113},"It summarizes pass/fail standards for the OBD portion of a Smog Check inspection and provides inspection instructions for vehicles with known OBD test difficulties.","Answer",{"name":115,"@type":110,"acceptedAnswer":116},"When should an inspector send a vehicle to a Referee?",{"text":117,"@type":113},"Send certain vehicles to a Referee station when special expertise and equipment are needed to resolve unique OBD test situations.",{"name":119,"@type":110,"acceptedAnswer":120},"What information is required to receive a special test configuration?",{"text":121,"@type":113},"Inspectors must enter the correct vehicle identifying information (e.g., VIN, make, model, and certification type) into BAR-97 and the OIS.","https://schema.org",{"og:url":83,"og:type":124,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":126,"canonical":83},"index,follow",{"doc_id":128,"site_id":62},662423,1793217203,{"code":4,"msg":5,"data":131},{"doc_id":128,"user_id":132,"nickname":92,"user_avatar":133,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":134,"file_id":135,"file_url":136,"file_type":137,"file_size":138,"view_count":8,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":139,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":129,"read_time":144},962093532863,"https://ap-avatar.wpscdn.com/davatar_276721f389ce27ea32af1340a28f341c","On-Board Diagnostic Test Reference  \n7/27/2020  \nTable of Contents  \nPurpose .......................................................................................................................................... 1  \nRevision Table ................................................................................................................................2  \nPass/ Fail Standards for the OBD Test Portion of a Smog Check Inspection ...................................4  \nPermanent Diagnostic Trouble Codes .............................................................................................7  \nOIS Vehicles of Interest ..................................................................................................................8  \nBAR-97 EIS Vehicles of Interest (OBD) .........................................................................................24  \nPermanent DTC Vehicles of Concern............................................................................................28  \nPurpose  \nThis reference provides both a summary of pass/fail standards for the On Board Diagnostic (OBD) test portion of a Smog Check inspection and instructions for inspecting vehicles with known OBD test difficulties. This reference replaces the “Smog Check OBDII Reference (Testability Issues) document that was formerly known as Appendix J.  \nThis document includes guidance related to vehicles that must obtain recall service before a Smog Check inspection can be successfully performed. Certain vehicles may be eligible to be repaired under manufacturer emissions warranty. Recall and warranty information is available by contacting the California Air Resources Board [helpline@arb.ca.gov](helpline@arb.ca.gov) or (800) 242-4450 or [https://ww2.arb.ca.gov/frequently-asked-questions](https://ww2.arb.ca.gov/frequently-asked-questions).  \nThis document provides guidance to Smog Check inspectors on when to send certain vehicles to a Referee for inspection. The Referee stations are State run and have the expertise and equipment necessary to resolve unique situations. Referee Centers are located throughout California. To find a Referee Center near you or to schedule an appointment, [visit](visit asktheref.org)[ ](visit asktheref.org)[asktheref.org](visit asktheref.org) or call (800) 622- 7733.  \nNote:  \n• The correct vehicle identifying information (e.g. , VIN, make, model, and certification type) must be entered into the BAR-97 and the OIS in order to receive a special test configuration. This guide includes vehicles where the OIS or BAR-97 inspection has been modified to accommodate certain vehicle design anomalies via modified pass/fail standards, disabled test modules, or OBD data collection.  \n• Service bulletins and recalls referenced in this document may be obtained by contacting your vehicle manufacturer, aftermarket publisher (e.g. , Identifix, Alldata, etc. ), [or](or OBDclearinghouse.com)[ ](or OBDclearinghouse.com)[OBDclearinghouse.com](or OBDclearinghouse.com)  .  \nRevision Table  \n\n| Revision Number | Revision Description | Revision Date |\n| --- | --- | --- |\n| 1.0 | Original | 9/1/2015 |\n| 1.1 | Added: BMW; Lexus RX400; Toyota Highlander; VW Passat | 9/25/2015 |\n| 1.2 | Added: Chevrolet and GMC box trucks; Freightliner M Line; Mitsubishi Fuso | 11/13/2015 |\n| 2.0 | Added: Table 5 with BAR-97 vehicles; Audi A4, A6 bulletin; Ford E350; VW Passat bulletin | 1/22/2016 |\n| 2.1 | Added: BMW 323i; Chevrolet Cavalier CNG; Chrysler PT Cruiser; Infinity I30; Kia Borrego; Nissan Maxima; Nissan UD1200; Silverado 1500; Silverado 2500 diesel; links to bulletins; ARB’s number. | 3/11/2016 |\n| 2.2 | Added: Chevrolet: C/ K2500 , C/ K3500 , G30 , G3500 , Sport Van, Cargo P30; Ford: F250 , F350 , E350, E450, E Super Duty, Econo Comm S-Duty, RV S-Duty; GMC: C/K2500, C/K3500 , G3500, Workhorse P30; Dodge: Ram 2500 , 3500; DCX Sprinter | 9/2/2016 |\n| 2.3 | Updated: Chevrolet 2001 Silverado / Tahoe C/K 1500 , 2002 C/K 2500HD (diesel) . Added: BMW ","cbCaitJvgIgHnNZb","https://ap.wps.com/l/cbCaitJvgIgHnNZb","pdf",392293,31,"English","# Purpose\n# Revision Table\n# Pass/Fail Standards for the OBD Test Portion of a Smog Check Inspection\n# Permanent Diagnostic Trouble Codes\n# OIS Vehicles of Interest\n# BAR-97 EIS Vehicles of Interest (OBD)\n# Permanent DTC Vehicles of Concern","[{\"question\":\"What does the reference provide for Smog Check inspections?\",\"answer\":\"It summarizes pass/fail standards for the OBD portion of a Smog Check inspection and provides inspection instructions for vehicles with known OBD test difficulties.\"},{\"question\":\"When should an inspector send a vehicle to a Referee?\",\"answer\":\"Send certain vehicles to a Referee station when special expertise and equipment are needed to resolve unique OBD test situations.\"},{\"question\":\"What information is required to receive a special test configuration?\",\"answer\":\"Inspectors must enter the correct vehicle identifying information (e.g., VIN, make, model, and certification type) into BAR-97 and the OIS.\"}]","On-Board Diagnostic Test Reference - OBD Smog Check Guidance | PDF",78]