Found this online - Thought it might be useful.
A - processed vehicle speed signal
A - "out" (Aus)
AB - Airbag
ABL - Brake system warning Lamp (2 color)
ABS - Anti-lock Braking System
AC - Air Conditioning (from ETK)
ACC - Active Cruise Control
ACS - Active Comfort Seats
ADB(X) - Automatic Differential Braking
ADS - engine intake air control
ADV - windshield wiper pressure control
AEGS - Automatic Electronic Gearbox Control (also EGS)
AFM - Air Flow Meter
AGD - suction silencer (from ETK)
AGR - emission reduction
AGS - Adaptive transmission control
AG - Automatic Gearbox (transmission)
AHK - Active rear-axle Kinematics
AHK - trailer hitch (from ETK)
AHM - trailer Module (not for US models)
AHPS - Advanced HPS
AIC - Automatic Interval Control (rain sensor)
AKF - activated carbon canister (from ETK)
AKS - Active head restraint
AKS - pressure regulating device (from ETK)
ALC - Automatic Light Control
ALR - Automatic Lamp Range Adjustment
AMM - Air Mass Meter
AMP - radio system AMPlifier
ARI - car radio information system (from ETK)
ARS - Active Roll Stabilization
ASC - All Season traction
ASC-EZA - ASC w/ engine timing and injection intervention
ASC+T - ASC+ Traction control
ASK - Audio System controller (Kontroller)
ASR - self starter block relay (from ETK)
AST - Automatic Slip control (marketing term)
AT - remanufactured part (from ETK)
AT - Antenna (from ETK)
ATF - Automatic Transmission Fluid (from ETK)
ATL - exhaust gas turbo charger (from ETK)
AUC - Automatic air recirculation
AUT - AUTomatic transmission (from ETK)
AVT - Antenna amplifier Tuner
AZD - tightening torque specifications (in TIS)
A/D – Analog/Digital
B - Benzene (gasoline)
BAT - BATtery (from ETK)
BC - Board Computer
BC1 - Body Controller 1
BL - Brake Light (from ETK)
BLS - Brake Light Switch
BMBT - Board Monitor
BS - Block diagram
BST - Battery Safety Terminal
BVA - Brake pad wear indicator (from ETK)
BZM - center console control center
BZMF - center console control center, rear
CAN – Controller Area Network (Multiple ECU Controller)
CAN-Bus - Controller Area Network (bus)
CANH-Bus - CAN bus, High
CANL-Bus - CAN bus, Low
CANP - fuel tank ventilation valve
CAS - Car Access System
CBC - Corner Braking Control
CBS - Condition Based Service
CCM - Check Control Module
CD - Control Display
CDC - Compact Disk Changer
CDS - CD player (from ETK)
CEL - CELsius (from ETK)
CIM - Chassis Integration Module
CO - Carbon monOxide (from ETK)
COMBI – Electronic Instrument Cluster
CON - CONtroller
CU - Copper (from ETK)
CVM - Convertible top Module
CVT - Constantly Variable Transmission
CW - drag coefficient (from ETK)
D1 - Xenon light/ gas discharge (from ETK)
D-Bus - Diagnosis bus (same as TXD)
DBC - Dynamic Brake Control
DBS - Dynamic Braking System
DCS - Dealer Communication System
DE – Diagnostic Unit
DD - Dynamic motor Drive
DDE - Digital Diesel Electronics
DIN - German industrial standards
DIS - Diagnosis and Information System
DISA - Differential air intake control
DIVA - continuously variable length intake runners
DK - throttle housing/valve
DKB - throttle w/ brake intervention
DKE – Throttle Increase
DKI - throttle position
DKR - throttle reduction
DKT - throttle position signal
DKV - preset throttle position value
DME - Digital Motor Electronics
DM-TL - Diagnostic Module Tank Leakage
DOHC - Double Over Head Camshafts (from ETK)
DS - gasket set (from ETK)
DSC - Dynamic Stability Control
DSP - Digital Sound Processing
DTC - Diagnostic Trouble Code (SAE)
DTC - Dynamic Traction Control
DWA - theft deterrent system
DWS - tire pressure Warning System
DZM - revolution counter (from ETK)
E - "in" (Ein)
EBA - installation instructions (from ETK)
EBV - Electronic Brake force proportioning
ECE - European market version (from ETK)
ECM - Engine Control Module (SAE term)
ECU - Electronic Control Unit
EDC - Electronic Damper Control (from ETK)
EDR - Electronic throttle control
E-KAT - Electrically heated catalytic converter
EZA - see ASC-EZA
ECM - Engine Control Module (SAE term)
ECO - Controller for I-Drive system
EDC - Electronic Dampening Control
EDC-K - Electronic Dampening Control - Continuous
EDK - Electronic throttle valve
EDS - pressure regulator
EFH - Electric window lifter (from ETK)
EGS - Electronic transmission control
EH - Electronic-Hydraulic
EHC - Electronic Height Control
EKM - Electronic body Module
EKP - Electric fuel Pump
ELV - Electronic steering lock
EM - Electro-Mechanical
EMF - Electro-Mechanical parking brake
EML - Electronic Motor Load regulation
EMV - Electro-Magnetic sensitivity (from ETK)
EO - component location
EPC - Electronic Parts Catalog (also ETK)
EPROM - Erasable/ Programmable chip Memory (from ETK)
ETK - Electronic parts catalog (also EPC)
ETM - Electrical Troubleshooting Manual
ESS - Electronic anti-theft device
EV - injection Valve
EWS - Electronic drive-away protection
FB - Function description
FBC - Fading Brake Control
FBD - remote control services
FBZV - radio frequency locking system
FGR – Vehicle Speed Control (Cruise Control)
FH - window lifter
FHK - rear Heater/ air conditioner
FLC - automatic Light Control
FRU - Flat Rate Unit
FS – Crash Sensor
FZV - central lock receiver
GAL - speed dependent sound volume
GM - General Module
GMR - yaw moment control
GPS - Global Positioning System
GRII - cruise control
GRS - rotation Rate Sensor
GS – Belt Tensioner
GWK - torque converter lock-up control
H - "rear" (Hinten)
H2 - Xenon headlights
HA - rear Axle (from ETK)
HC – Hydro Carbon
HD - Heavy Duty (from ETK)
HDC - Hill Decent Control
HFM - Hot Film air mass Meter
HG - manual Gearbox (transmission)
HKL - Hydraulic trunk lid Lift
HLM – Hot Wire Air Mass Meter
HPS - Head Protection System
HR - Heater control (from ETK)
HVA - Hydraulic Valve Adjuster (from ETK)
Hz – Hertz (Cycle)
I-Bus - Information bus
IB - Interior lighting control signal
IHKA - automatic Heating and A/C
IHKAF - IHKA w/ micro filter
IHKR - regulated Heating and A/C
IHKRF - IHKR w/ micro filter
IHKS - standard Heating and A/C
IHPD - Internal High Pressure Deformation
IHR - Integrated Heater control (from ETK)
IKE - Instrument cluster Electronics
ILH - Interior Lighting, rear
ILV - Interior Lighting, front
IMS - Instant Mobility System (from ETK)
IR – Infrared
IRS – Infrared Locking System
ISC – Idle Speed Control
ISIS - Intelligent Safety Integration System
ISN - Individual Serial Number
ISOFIX - standardized mounts for child restraints
ITS - head airbag assembly/ Inflatable Tubular Structure
IVM - Integrated power supply Module
K-Bus - body bus (Karosserie)
KAT - catalytic converter
KATON - converter creating (signal)
KD - Kick-Down
KHI - interface for headphones
KL - terminal designation
KL15 - run bus (ignition switch run position)
KL30 - battery bus (hot at all times)
KL31 - ground bus (chassis ground)
KL50 - start bus (ignition start position)
KLR - accessory bus
KO - compressor "on" signal
KOMBI - instrument cluster
KOREL - compressor relay signal
KR – Contact Ring
KSK - Knock Sensor
KVA - fuel consumption signal/value
KW - crankshaft
KW - KiloWatt (from ETK)
A - processed vehicle speed signal
A - "out" (Aus)
AB - Airbag
ABL - Brake system warning Lamp (2 color)
ABS - Anti-lock Braking System
AC - Air Conditioning (from ETK)
ACC - Active Cruise Control
ACS - Active Comfort Seats
ADB(X) - Automatic Differential Braking
ADS - engine intake air control
ADV - windshield wiper pressure control
AEGS - Automatic Electronic Gearbox Control (also EGS)
AFM - Air Flow Meter
AGD - suction silencer (from ETK)
AGR - emission reduction
AGS - Adaptive transmission control
AG - Automatic Gearbox (transmission)
AHK - Active rear-axle Kinematics
AHK - trailer hitch (from ETK)
AHM - trailer Module (not for US models)
AHPS - Advanced HPS
AIC - Automatic Interval Control (rain sensor)
AKF - activated carbon canister (from ETK)
AKS - Active head restraint
AKS - pressure regulating device (from ETK)
ALC - Automatic Light Control
ALR - Automatic Lamp Range Adjustment
AMM - Air Mass Meter
AMP - radio system AMPlifier
ARI - car radio information system (from ETK)
ARS - Active Roll Stabilization
ASC - All Season traction
ASC-EZA - ASC w/ engine timing and injection intervention
ASC+T - ASC+ Traction control
ASK - Audio System controller (Kontroller)
ASR - self starter block relay (from ETK)
AST - Automatic Slip control (marketing term)
AT - remanufactured part (from ETK)
AT - Antenna (from ETK)
ATF - Automatic Transmission Fluid (from ETK)
ATL - exhaust gas turbo charger (from ETK)
AUC - Automatic air recirculation
AUT - AUTomatic transmission (from ETK)
AVT - Antenna amplifier Tuner
AZD - tightening torque specifications (in TIS)
A/D – Analog/Digital
B - Benzene (gasoline)
BAT - BATtery (from ETK)
BC - Board Computer
BC1 - Body Controller 1
BL - Brake Light (from ETK)
BLS - Brake Light Switch
BMBT - Board Monitor
BS - Block diagram
BST - Battery Safety Terminal
BVA - Brake pad wear indicator (from ETK)
BZM - center console control center
BZMF - center console control center, rear
CAN – Controller Area Network (Multiple ECU Controller)
CAN-Bus - Controller Area Network (bus)
CANH-Bus - CAN bus, High
CANL-Bus - CAN bus, Low
CANP - fuel tank ventilation valve
CAS - Car Access System
CBC - Corner Braking Control
CBS - Condition Based Service
CCM - Check Control Module
CD - Control Display
CDC - Compact Disk Changer
CDS - CD player (from ETK)
CEL - CELsius (from ETK)
CIM - Chassis Integration Module
CO - Carbon monOxide (from ETK)
COMBI – Electronic Instrument Cluster
CON - CONtroller
CU - Copper (from ETK)
CVM - Convertible top Module
CVT - Constantly Variable Transmission
CW - drag coefficient (from ETK)
D1 - Xenon light/ gas discharge (from ETK)
D-Bus - Diagnosis bus (same as TXD)
DBC - Dynamic Brake Control
DBS - Dynamic Braking System
DCS - Dealer Communication System
DE – Diagnostic Unit
DD - Dynamic motor Drive
DDE - Digital Diesel Electronics
DIN - German industrial standards
DIS - Diagnosis and Information System
DISA - Differential air intake control
DIVA - continuously variable length intake runners
DK - throttle housing/valve
DKB - throttle w/ brake intervention
DKE – Throttle Increase
DKI - throttle position
DKR - throttle reduction
DKT - throttle position signal
DKV - preset throttle position value
DME - Digital Motor Electronics
DM-TL - Diagnostic Module Tank Leakage
DOHC - Double Over Head Camshafts (from ETK)
DS - gasket set (from ETK)
DSC - Dynamic Stability Control
DSP - Digital Sound Processing
DTC - Diagnostic Trouble Code (SAE)
DTC - Dynamic Traction Control
DWA - theft deterrent system
DWS - tire pressure Warning System
DZM - revolution counter (from ETK)
E - "in" (Ein)
EBA - installation instructions (from ETK)
EBV - Electronic Brake force proportioning
ECE - European market version (from ETK)
ECM - Engine Control Module (SAE term)
ECU - Electronic Control Unit
EDC - Electronic Damper Control (from ETK)
EDR - Electronic throttle control
E-KAT - Electrically heated catalytic converter
EZA - see ASC-EZA
ECM - Engine Control Module (SAE term)
ECO - Controller for I-Drive system
EDC - Electronic Dampening Control
EDC-K - Electronic Dampening Control - Continuous
EDK - Electronic throttle valve
EDS - pressure regulator
EFH - Electric window lifter (from ETK)
EGS - Electronic transmission control
EH - Electronic-Hydraulic
EHC - Electronic Height Control
EKM - Electronic body Module
EKP - Electric fuel Pump
ELV - Electronic steering lock
EM - Electro-Mechanical
EMF - Electro-Mechanical parking brake
EML - Electronic Motor Load regulation
EMV - Electro-Magnetic sensitivity (from ETK)
EO - component location
EPC - Electronic Parts Catalog (also ETK)
EPROM - Erasable/ Programmable chip Memory (from ETK)
ETK - Electronic parts catalog (also EPC)
ETM - Electrical Troubleshooting Manual
ESS - Electronic anti-theft device
EV - injection Valve
EWS - Electronic drive-away protection
FB - Function description
FBC - Fading Brake Control
FBD - remote control services
FBZV - radio frequency locking system
FGR – Vehicle Speed Control (Cruise Control)
FH - window lifter
FHK - rear Heater/ air conditioner
FLC - automatic Light Control
FRU - Flat Rate Unit
FS – Crash Sensor
FZV - central lock receiver
GAL - speed dependent sound volume
GM - General Module
GMR - yaw moment control
GPS - Global Positioning System
GRII - cruise control
GRS - rotation Rate Sensor
GS – Belt Tensioner
GWK - torque converter lock-up control
H - "rear" (Hinten)
H2 - Xenon headlights
HA - rear Axle (from ETK)
HC – Hydro Carbon
HD - Heavy Duty (from ETK)
HDC - Hill Decent Control
HFM - Hot Film air mass Meter
HG - manual Gearbox (transmission)
HKL - Hydraulic trunk lid Lift
HLM – Hot Wire Air Mass Meter
HPS - Head Protection System
HR - Heater control (from ETK)
HVA - Hydraulic Valve Adjuster (from ETK)
Hz – Hertz (Cycle)
I-Bus - Information bus
IB - Interior lighting control signal
IHKA - automatic Heating and A/C
IHKAF - IHKA w/ micro filter
IHKR - regulated Heating and A/C
IHKRF - IHKR w/ micro filter
IHKS - standard Heating and A/C
IHPD - Internal High Pressure Deformation
IHR - Integrated Heater control (from ETK)
IKE - Instrument cluster Electronics
ILH - Interior Lighting, rear
ILV - Interior Lighting, front
IMS - Instant Mobility System (from ETK)
IR – Infrared
IRS – Infrared Locking System
ISC – Idle Speed Control
ISIS - Intelligent Safety Integration System
ISN - Individual Serial Number
ISOFIX - standardized mounts for child restraints
ITS - head airbag assembly/ Inflatable Tubular Structure
IVM - Integrated power supply Module
K-Bus - body bus (Karosserie)
KAT - catalytic converter
KATON - converter creating (signal)
KD - Kick-Down
KHI - interface for headphones
KL - terminal designation
KL15 - run bus (ignition switch run position)
KL30 - battery bus (hot at all times)
KL31 - ground bus (chassis ground)
KL50 - start bus (ignition start position)
KLR - accessory bus
KO - compressor "on" signal
KOMBI - instrument cluster
KOREL - compressor relay signal
KR – Contact Ring
KSK - Knock Sensor
KVA - fuel consumption signal/value
KW - crankshaft
KW - KiloWatt (from ETK)
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