Refer to the table below for a list of common acronyms and abbreviations.
Table 1. Acronyms and Abbreviations
ACRONYM OR ABBREVIATION
DESCRIPTION
A
Amperes
AAT
Ambient air temperature
ABS
Anti-lock braking system
AC
Alternating current
ACC
Accessory position on ignition switch
ACR
Automatic compression release
Ah
Ampere-hour
AWG
American wire gauge
B+
Battery voltage
bar
Bar
BAS
Bank angle sensor
BCM
Body control module
BMU
Battery Management Unit
BOB
Breakout box
°C
Celsius (Centigrade)
CA
California
CAL
Calibration
CAN
Controller area network
cc
Cubic centimeters
CCA
Cold cranking amps
CCW
Counterclockwise
cm
Centimeters
cm3
Cubic centimeters
CW
Clockwise
DC
Direct current
DLC
Data link connector
DOM
Domestic
DOT
Department of Transportation
DTC
Diagnostic trouble code
DVOM
Digital volt ohm meter
ECM
Electronic control module
ECT
Engine coolant temperature
ECU
Electronic control unit
EEPROM
Electrically erasable programmable read only memory
EHCU
Electro hydraulic control unit
EPTC
Electronic Powertrain Controller
ET
Engine temperature
EVPT
Electric Vehicle Powertrain
°F
Fahrenheit
fl oz
Fluid ounce
FPS
Fuel pressure sensor
ft
Feet
ft-lbs
Foot pounds
FTP
Flash to pass
g
Gram
gal
Gallon
GAWR
Gross axle weight rating
GND
Ground (electrical)
GPS
Global positioning system
GVWR
Gross vehicle weight rating
HCU
Hydraulic control unit
HD-Link
Networking system
Hg
Mercury
H02S
Heated oxygen sensor
hp
Horsepower
hr
Hour
IC
Instrument cluster
ID
Inside diameter
IGN
Ignition light/key switch position
IM
Instrument module
IMU
Inertial Measurement Unit
in
inch
in3
Cubic inch
in-lbs
Inch pounds
JSS
Jiffy stand sensor
kg
Kilogram
km
Kilometer
km/h
Kilometers per hour
kPa
Kilopascal
kW
Kilowatt
L
Liter
lb
Pounds
LCD
Liquid crystal display
LED
Light emitting diode
LH
Left hand
LHCM
Left hand control module
LP
License plate
LT
Left
mA
Milliampere
max
Maximum
MCM
Motor Control Module
mi
Mile
min
Minimum
mL
Milliliter
mm
Millimeter
mph
Miles per hour
ms
Millisecond
Nm
Newton-meter
NIM
Navigation interface module
NiMH
Nickel metal hydride
N/A
Not applicable
OBC
Onboard Charger
OD
Outside diameter
OEM
Original equipment manufacturer
oz
Ounce
P&A
Parts and Accessories
Part No.
Part number
PIN
Personal identification number
PND
Personal navigation device
psi
Pounds per square inch
PWM signal
Pulse width modulated signal
qt
Quart
RAD
Radio
RCM
Reverse control module
RDS
Radio data system
RESS
Rechargeable Energy Storage System
RFF
Roller Finger Follower
RH
Right hand
RHCM
Right hand control module
rpm
Revolutions per minute
RT
Right
s
Seconds
SCFH
Cubic feet per hour at standard conditions
SDARS
Satellite digital audio radio service
SPDO
Speedometer
SPKR
Speaker
STT
Stop/tail/turn
TA
Traffic announcement
TCU
Telemetry Control Unit
TDC
Top dead center
TGS
Twist grip sensor
TPMS
Tire pressure monitoring system
TSM
Turn signal module
TT
Telltale
USB
Universal serial bus
V
Volt
VAC
Volts of alternating current
VDC
Volts of direct current
VIN
Vehicle identification number
VR
Voice recognition
VSC
Vehicle Supervisory Controller
VSS
Vehicle speed sensor
W
Watt
WA
Weather alert
WHIM
Wireless headset interface module
WSS
Wheel speed sensor