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ARB staff posted the OBD II and HD OBD presentations presented at
the SAE OBD Symposium that was held in Stuttgart, Germany on
March 2-4, 2015. ARB’s presentations provide updates on the
proposed light-duty OBD II amendments that ARB is planning to
adopt at the future 2015 Board hearing as well as updates
concerning the HD OBD program.

The presentations can be found here:

http://www.arb.ca.gov/msprog/obdprog/obdupdates.htm

If you have any questions or comments pertaining to the
presentations, please contact Wendy Gallardo by phone at (626)
450-6229 or by e-mail at wendy.gallardo@arb.ca.gov.

Background:
OBD systems are self-diagnostic systems incorporated into the
computers of new vehicles.  The OBD system monitors virtually
every component that can affect the emission performance of the
vehicle to ensure that the vehicle remains as clean as possible
over its entire life, and assists repair technicians in
diagnosing and fixing problems with the computerized engine
controls.  All 1996 and newer model year light-duty and
medium-duty vehicles less than 14,000 lbs. are equipped with OBD
II systems, while heavy-duty vehicles over 14,000 lbs. have
phased in OBD systems starting with the 2010 model year.  For
further information about the OBD program, please visit the OBD
website at http://www.arb.ca.gov/msprog/obdprog/obdprog.htm.



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