Abbreviations

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")

EV

Einspritz (injectors)

F

FMIC

Front Mount InterCooler

FPR

Fuel Pressure Regulator

H

HFM

Hot Film Meter

I

IAT

Intake Air Temperature

IC

InterCooler

K

KF

Kennfeld (map)

KFK

Kennfeld Korrectur (map containing corrections)

KV

Knock Voltage

L

LDR

Ladedruck Regelung (pressure regulation)

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

MIL

Malfunction Indicator Lamp

ML

MotorLuftmasse (motor airmass)

MSR

Motor Slip Regulation a.k.a. Engine Drag Torque Control (part of ESC/ESP)

MY

Model Year

N

NWS

Nockenwelle Stellung (cam shaft position, aka VVT)

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

Z

ZUE

Zündung (ignition)