Abbreviations

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http://en.volkswagen.com/en/innovation-and-technology/technical-glossary.html

A

ABS
Anti-lock Brake System (part of ESP/ESC)
ASR
Anti-Slip Regulation a.k.a. Traction control (part of ESP/ESC)

B

BMC
Brake Master Cylinder
BOV
Blow Off Valve
BPV
ByPass Valve
BSC
Brake Slave Cylinder

C

CAN
Controller Area Network
CEL
Check Engine Light
CF
Correction Factor
CMC
Clutch Master Cylinder
CSC
Clutch Slave Cylinder

D

DV
Diverter Valve
DTC
Diagnostic Trouble Code
DTS
DriveTrain Stabilizer (a.k.a Transmission Stabilizer Bar)

E

EBC
Electronic Boost Controller
EBD
Electronic Brake distribution (part of ESC/ESP)
ECU
Electronic Control Unit
ECUx
APR's ECU Explorer
EDL
Electronic Differential Locking (part of ESC/ESP)
EFK
Electric Fan Kit
EGR
Exhaust Gas Recirculation
EGT
Exhaust Gas Temperature
EMS
Engine Management System
ESC
Electronic Stability Control (aka ESP)
ESP
Electronic Stability Program - consists of ABS, EBD, ASR, EDL, MSR etc.
ETC
Electronic Throttle Control (a.k.a "drive-by-wire")

F

FMIC
Front Mount InterCooler
FPR
Fuel Pressure Regulator

I

IAT
Intake Air Temperature
IC
InterCooler

K

KV
Knock Voltage

L

LSD
Limited Slip Differential
LTFT
Long Term Fuel Trim
LWFW
Lightweight Flywheel

M

MAF
Mass Air Flow
MAP
Manifold Air Pressure
MBC
Manual Boost Controller
ME7.1
Motronic system (with ETC) version 7.1
MSR
Motor Slip Regulation a.k.a. Engine Drag Torque Control (part of ESC/ESP)
MY
Model Year

O

OBD II
On-Board Diagnosis - stage II
OEM
Original Equipment Manufacture/Manufacturer

P

PCV
Positive Crankcase Ventilation

S

SAC
Self-Adjusting Clutch
SMIC
Side-mount Intercooler
STFT
Short Term Fuel Trim

T

TB
Throttle Body
TBB
Throttle Body Boot
TC
Throttle Cut
TCD
Throttle Cut Defender (a.k.a "MAP clamp")
TCU
Transmission Control Unit
TDC
Top Dead Center
TIP
Turbine Inlet Pressure
TRE
Tie Rod End
TSB
Technical Service Bulletin
TSB
Transmission Stabilizer Bar (a.k.a. "Drivetrain Stabilizer")

V

VAG
Volkswagen Audi Group
VVT
Variable Valve Timing

W

WOT
Wide Open Throttle