What is the design and purpose of electronic control modules and controllers?

Electronic control modules and controllers are electronic components responsible for supervising specific vehicle systems. A typical element consists of a housing, an electronic circuit board, connectors, and software that records the logic of operation. These modules are mounted in various places in the car, depending on the function and design of the installation. Their purpose is to process signals and control the operation of other elements in a way that is consistent with the vehicle's configuration.

What are electronic control modules and controllers used for?

Electronic control modules and controllers are used to manage the operation of the engine, transmission, braking system, comfort equipment, and other car systems. They receive data from sensors, analyze it, and send commands to actuators. Without their proper operation, many vehicle functions may work incompletely, unstably, or in emergency mode.

What role does the data bus play in the operation of controllers?

A data bus is a communication system connecting many modules in a single vehicle. It is used to transmit information between controllers without the need to run a separate wire for every function. Thanks to this, cooperation between the engine ECU, ABS, comfort module, and other systems in real-time is possible. When diagnosing a fault, one must therefore consider not only the controller itself but also the communication between modules.

How to choose the right controller for a specific car?

The safest way is to compare the OEM number, manufacturer part number, engine version, fuel type, and transmission type. In many models, the body version, production year, equipment, and connector type also matter. For electronic parts, it is also worth checking whether a given module requires adaptation or coding after installation.

What symptoms may indicate a problem with a module or controller?

Typical symptoms include errors recorded in diagnostics, lack of communication with a given system, incorrect operation of windows, locks, fans, ABS, or the engine. It also happens that the car enters emergency mode or experiences periodic loss of functions. Similar symptoms may also result from a damaged wiring harness, poor power supply, or problems with a connector.

What should be checked before installing a used module?

Before installation, it is worth checking the condition of the housing, pins, and sockets, as well as the compatibility of markings with the removed element. A good practice is to compare interchangeable numbers and ensure that the car has the same equipment as the donor vehicle. After installation, coding, adaptation, or clearing errors in the controller may be necessary.

Electronic control modules and controllers

At Globalparts, we offer a wide selection of original used electronic control units and ECUs for many popular car brands, including BMW, MINI, Mercedes, Audi, Volkswagen, and others. Our original electronic control units and ECUs ensure reliability, performance, and full compatibility with your vehicle.

More information

Make

Audi Q3 8U 2.0 TDI DFTA 150HP Quattro Engine ECU Kit 04L907309AB Ignition + Key

Product currently unavailable

Part no. 4E0910441-1

AUDI A8 S8 D3 Reversing Camera Control Module Rear View Unit ECU 4E0910441

Product currently unavailable

Part no. 80A907355G

Audi Q5 FY AdBlue Control Module ECU Unit 2.0 Diesel 80A907355G

Product currently unavailable

Part no. 420959655

Audi R8 42 Air Module Sensor Control Unit ECU 420959655

Product currently unavailable

Part no. 06K907425B-24

Audi A4 B8 1.8 TFSI CDHA 120HP Engine Control Module ECU 06K907425B Manual

Product currently unavailable

Part no. 8N0906018CN

Audi TT 8N 1.8T AUQ 180HP Petrol Engine Control Unit ECU 8N0906018CN Automatic

Product currently unavailable

Part no. 8W0907159D

Audi RS4 B9 A5 F5 Impact Sound Module Control Unit 8W0907159D

Product currently unavailable

Part no. 4N0959655AJ

Audi A6 C8 Air Module Control Unit ECU Crash Control Computer 4N0959655AJ

Product currently unavailable

Part no. 8P0907115AP-1

Audi S3 8P 2.0 TFSI CDLA 265HP Engine ECU Kit Ignition + Key 8P0907115AP Manual

Product currently unavailable

Part no. 4K0035710

Audi A6 C8 Front A Pillar Column Dashboard Speaker Right O/S 4K0035710

Product currently unavailable

Part no. 420035225R

Audi R8 42 Spyder Gen 1 Audio Antenna Amplifier Module Unit 420035225R

Product currently unavailable

Part no. 8P7035223A

Audi A3 8P Convertible Audio Amplifier Unit Control Unit Module Bose 8P7035223A

Product currently unavailable

Audi A6 C7 Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063LG

-0%

Part no. 4N0907063LG

Audi A6 C7 Body Control Comfort Unit Module BCM Convenience Unit ECU 4N0907063LG

Product currently unavailable

Part no. 03L906018HT-1

Audi A4 B8 2.0 TDI CJCA 143HP Engine ECU Kit BCM + Key 03L906018HT Automatic

Product currently unavailable

Part no. 8T2035186B

Audi A4 B8 Radio Media Player Audio CD Head Unit Player Concert 8T2035186B

Product currently unavailable

Part no. 5QS907338B

Audi A3 S3 8Y Headlight Head Light Lamp Range Control Unit Module ECU 5QS907338B

Product currently unavailable

Part no. 4B0057186PX-1

Audi TT 8N Radio Stereo Player Head Unit Chorus 4B0057186PX

Product currently unavailable

Part no. 1EA907376B

Audi A3 S3 8Y Rear Suspension Damper Module Control Unit ECU 1EA907376B

Product currently unavailable

Part no. 5WA959436J-1

Audi A3 RS3 8Y Keyless Go Module ECU Entry Control Unit 5WA959436J

Product currently unavailable

Part no. 4M1907468D

Audi A4 B9 Gateway Control Module Unit ECU 4M1907468D

Product currently unavailable

Part no. 05L907309-3

Audi A4 B9 A5 F5 2.0 TDI DEZB 136HP Engine Control ECU 05L907309 Automatic

Product currently unavailable

Part no. 3Q0959435D

Audi TT FV Mk3 8S Keyless Module Control Unit Comfort Access 3Q0959435D

Product currently unavailable

Part no. 4M0959107D

Audi A6 C8 Boot Tailgate Control Module Unit 4M0959107D

Product currently unavailable

Part no. 8S0907468D

Audi TT FV Mk3 8S Gateway Module Interface Data Bus Control Unit 8S0907468D

Product currently unavailable

Part no. 03G906018DN-2

Audi A3 8P 2.0 TDI 170HP BMN Engine Control Unit ECU 03G906018DN Automatic

Product currently unavailable

Part no. 5K0959434B

Audi A1 8X Q3 8U Keyless Access Module Control Unit 5K0959434B

Product currently unavailable

Part no. 83A035842

Audi A1 GB Multimedia Sat Nav Radio Head Unit Controller 83A035842

Product currently unavailable

Part no. 4H4907357G

Audi TT 8S Headlight Head Light Lamp Range Control Unit Module ECU 4H4907357G

Product currently unavailable

Part no. 4E0035225BQ

Audi A8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BQ

Product currently unavailable

Part no. 4E0035225BL

Audi S8 D3 Aerial Amplifier Antenna Receiver Signal Booster Unit 4E0035225BL

Product currently unavailable

Part no. 4E0955559C

Audi A6 C6 Front Windscreen Rain Light Solar Sensor Unit 4E0955559C

Product currently unavailable

Part no. 3C0909141

Audi S1 8X Skoda Octavia Mk3 Keyless Entry Antenna Control Module 3C0909141

Product currently unavailable

Part no. 04L907309E-2

Audi A1 8X 1.6 TDI CXMA 115HP Engine ECU Kit 04L907309E Ignition + Key Manual

Product currently unavailable

Part no. 8T0959754

Audi A5 8T Remote Radio Alarm Key Button Control Unit Module 868 MHZ 8T0959754

Product currently unavailable

Part no. 5N0906093C

Audi Q3 S Line Fuel Pump Relay Control Unit Module ECU 5N0906093C

Product currently unavailable

Part no. 8T0907468

Audi A4 B8 A5 S5 Gateway Diagnosis Interface ECU Data Module 8T0907468G

Product currently unavailable

Part no. 8V0907376C

Audi A3 S3 8V Air Suspension Damping Module Control Unit 8V0907376C

Product currently unavailable

Part no. 80A962243

Audi Q7 4M Rear Hatch Boot Lid Tailgate Opening Control Module Unit 80A962243

Product currently unavailable

Part no. 8W6907217E

Audi A5 F5 Front Windscreen Windshield Lane Assist Camera 8W6907217E

Product currently unavailable

Part no. 4K0937517E

Audi A6 C8 Relay Voltage Converter Current Relay Control Module 4K0937517E

Product currently unavailable

Part no. 8W6907176

Audi S5 F5 Rear Blind Spot Sensor Module Bracket Mount 8W6907176

Product currently unavailable

Part no. 4M1959792J

Audi A6 C8 Q5 FY Door Control Unit Module ECU Passenger Side 4M1959792J

Product currently unavailable

Part no. 4L0907568A-1

Audi Q7 4L Blind Spot Monitoring Radar Unit Left N/S 4L0907568A 8K0907568

Product currently unavailable

Part no. 8P0862335M

Audi A4 B7 RS3 8P R8 42 TT 8J Bluetooth Interface Module Unit MMI 8P0862335M

Product currently unavailable

Part no. 5Q1919275C-MYB

Audi Q7 4M Front PDC Parking Distance Sensor Mythical Black Metallic - Y9T

Product currently unavailable

Part no. 4F9910402A-1

Audi A6 C6 3.0 TDI 240HP CDYA Quattro Engine ECU Kit 4F9910402A Ignition + Keys

Product currently unavailable

Part no. 81A035035G

Audi Q2 GA Sat Nav Multimedia Control Unit Module SD SIM MIB2 HIGH 81A035035G

Product currently unavailable

Part no. 8P0959655J

Audi A3 E 104 T Air Module ECU Sensor Control Unit 8P0959655J

Product currently unavailable

...

Showing 2179-2226 of 2226 products