USA - Heavy Duty Engine On-Board Diagnostic System Requirements
Business description
CARB staff has published CARB Mail-Out # ECCD 2023-01, "Guidance for On-Board Diagnostic II and Heavy-Duty On-Board Diagnostic Production Vehicle/Engine Evaluation Testing and Manufacturer Self-Testing Reporting Documentation." This document contains details on CARB-developed templates that manufacturers may use to report the testing result information required by the OBD II and heavy-duty OBD regulations. Specifically, the templates were developed for the results information for production vehicle/engine evaluation testing and manufacturer self-testing.
Information regarding CARB's On-Board Diagnostic Program can be found online at https://ww2.arb.ca.gov/our-work/programs/obd.
Resources about the program are available at https://ww2.arb.ca.gov/resources/documents/obd-resources.
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