Heavy Duty (HD) OBD II Systems
WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2015 Lincoln Navigator, 2015 Lincoln MKZ, 2015 Lincoln MKX, 2015 Lincoln MKT, and 2015 Lincoln MKS. However, it is still accessible from the selected car via links, so may be relevant.
Starting in the 2010 model year, California and Federal gasoline fueled and diesel fueled on road heavy duty engines used in vehicles over 14, 000 lbs. GVWR are required to phase into HD OBD II. All vehicles over 14, 000 lbs. GVWR must comply for the 2013 model year. Vehicles that do not comply with HD OBD II during the phase in period must comply with EMD+.