Acronyms and Abbreviations

Table 1, Acronyms and Abbreviations

Term	Meaning	Term	Meaning
ACM	Aftertreatment Control Module	kW	Kilowatt
API	American Petroleum Institute	L	Liter
ATD	Aftertreatment Device	lb	Pound
ATF	Automatic Transmission Fluid	m	Meter
ATS	Aftertreatment System	MCM	Motor Control Module
CAC	Charge Air Cooler	MIL	Malfunction Indicator Lamp
CAN	Controller Area Network	mpg	Miles per Gallon
CARB	California Air Resources Board	mph	Miles per Hour
CEL	Check Engine Light	NHTSA	National Highway Traffic Safety Administration
CPC	Common Powertrain Controller	NOAT	Nitrited Organic Acid Technology
DDC	Detroit Diesel Corporation	NOx	Nitrogen Oxide
DDEC	Detroit Diesel Electronic Controls	OAT	Organic Acid Technology
DEF	Diesel Exhaust Fluid	OBD	On Board Diagnostic
DOC	Diesel Oxidation Catalyst	OEM	Original Equipment Manufacturer
DPF	Diesel Particulate Filter	oz	Ounce
DTC	Diagnostic Trouble Code	psi	Pounds per Square Inch
ECM	Electronic Control Module	PTO	Power Takeoff
ECT	Engine Coolant Temperature	qt	Quart
EGR	Exhaust Gas Recirculation	regen	Regeneration
ELC	Extended Life Coolant	rpm	Revolutions per Minute
EPA	Environmental Protection Agency	SAE	Society of Automotive Engineers
FMCSA	Federal Motor Carrier Safety Administration	SCA	Supplemental Coolant Additive
GAWR	Gross Axle Weight Rating	SCR	Selective Catalyst Reduction
GHG	Greenhouse Gas	SEL	Stop Engine Light
GHG14	Greenhouse Gas and Fuel Efficiency Regulations	SEO	Stop Engine Override
GVWR	Gross Vehicle Weight Rating	S/N	Serial Number
HEST	High Exhaust System Temperature	SRS	Synchronous Reference Sensor
in.	Inch	SRT	Standard Repair Time
inH2O	Inches of Water	TCM	Transmission Control Module
inHg	Inches of Mercury	TDC	Top Dead Center
ISO	International Organization for Standardization	TPS	Throttle Position Sensor
k	Kilo (1000)	TRS	Timing Reference Sensor
kg	Kilogram	VIN	Vehicle Identification Number
km	Kilometer	VSG	Variable Speed Governor
km/h	Kilometers per Hour	VSS	Variable Speed Sensor
kPa	Kilopascal

Table 1, Acronyms and Abbreviations