On-Board Diagnostic System Requirements (OBD II & HD OBD)
This page last reviewed November 22, 2022
Proposed Revisions to the On-Board Diagnostic System Requirements and Associated Enforcement Provisions for Passenger Cars, Light-Duty Trucks, Medium-Duty Vehicles and Engines, and Heavy-Duty Engines
OAL approved the rulemaking and filed with Secretary of State on November 22, 2022. The effective date is November 22, 2022.
The final rulemaking package was submitted to OAL on July 20, 2022
~See Revised Above~
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