Aftertreatment System Regen Switches
Important: IMPORTANT: Depending upon local jurisdictional emissions guidelines, vehicles that are domiciled outside of the U.S. and Canada may not have engines and/or emissions aftertreatment systems that are compliant with EPA10 or GHG21 regulations.
Note: See Greenhouse Gas Emissions and Fuel Consumption Standards for detailed information about the operation of the regeneration (regen) switches and the aftertreatment system (ATS).
Regen may be started manually with the optional digital switch in the ICU. See Fig..
Some vehicles may be equipped with a regen inhibit switch. See Fig.. To stop a regen in progress or prevent the start of a regen, toggle the switch upward.