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.

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Audi A5 8F Engine Control Unit ECU 2.0 TDI CGLC 177HP Manual 03L906018JG

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Audi A4 B9 A5 F5 Power Steering Column Control Unit Module 8W0419065D

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Audi A5 8T Radio Head Unit Navi CD DVD Player Changer 8T2035110A

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Audi A6 C6 Antenna Amplifier Control Unit Module 4F9035225AA

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Audi A8L 4H Antenna Aerial Amplifier 4H0035225N

€23.95

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Audi A4 B9 Rear Door Control Module Unit ECU Left Right N/O/S 8W0959595G

€23.95

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€23.95

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Body Control Module Audi A4 B8 A5 8T BCM Comfort Control Unit 8K0907064CP

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Audi Q5 FY Rear Door Control Module Unit Left Right N/O/S 8W1959595

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Audi Q5 8R BCM Body Control Module Unit ECU 8K0907064JG

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Audi A3 8V Radio CD SD SIM Player Stereo Sat Nav Head Unit 81A035192B

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Audi A5 8T Radio CD Player Head Unit Control Panel Switch 8R2035195

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Audi Q3 8U Gateway Control Module Unit ECU 8U0907468AQ

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Part no. 03L906018LA-1

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Audi Q7 4L Keyless Entry Amplifier Control Box Module Aerial Antenna 4F0907247A

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Part no. 8R0907401J-1

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€237.95

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Part no. 4E0035785F

Audi S4 B8 MMI Multimedia AMI Interface Music Control Module Unit 4E0035785F

€132.95

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Audi A3 S3 8V Headlights Leveling Sensor Front Lamp Height Unit 5Q0907503

€23.95

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Part no. 4M1959593K

Audi A6 C8 Q8 4M Touareg MK3 Door Control Unit Module Driver's Side 4M1959593K

€75.95

Free delivery: Sep 24 – 25

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Audi Q3 8U PDC Parking Distance Control Sensor Monsoon Grey Metallic - X7R

€23.95

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Part no. 8K0959795D

Audi A4 S4 8K A5 Q5 Rear Door Control Module Unit Left Right N/O/S 8K0959795D

€23.95

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Part no. 4K0906121A

Audi A6 C8 Fuel Pump Control Unit Module Controller 3.0 Diesel 4K0906121A

€23.95

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Part no. 4L0959760-1

Audi Q7 4L Front Memory Adjustment Module Control Left Right N/O/S 4L0959760

€75.95

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Audi A4 B8 Transmitting Receiving Unit Road Toll System 4F0035503E

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Part no. 4H0907355C

Audi A7 4G A8 D4 Ad Blue Control Unit Module ECU 3.0 TDI Diesel 4H0907355C

€51.95

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Audi A3 8P Crash Impact Airbag Sensor Unit Module Air Bag 4B0959643E

€23.95

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Audi A1 8X A3 8V Windscreen Rain Sensor Control Unit 8U0955559

€23.95

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Audi A1 S1 8X Sat Nav MMI 3G+ Head Unit Module 8XA035754B

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Audi Q5 8R Door Lock Control Module Unit ECU Front Left N/S 8K0959792N

€23.95

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Audi Q3 RSQ3 F3 Body Sound Impact Control Module ECU 83A907159

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Audi A8 D4 Ambient Lighting Control Module Unit ECU 4H0907412

€23.95

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Part no. 8T0907468AA

Audi S4 B8 Diagnostic Interface Gateway Control Module Unit ECU 8T0907468AA

€23.95

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€28.95

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Part no. 4N0955557A

Audi A6 C8 A7 C8 Door Crash Impact Sensor Front Left N/S Side 4N0955557A

€23.95

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Part no. 03L906019AG-1

Audi A6 C6 2.0 TDI CAHA 170HP Engine ECU Kit 03L906019AG Ignition + Key Manual

€189.95

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Part no. 8R0907461A

Audi Q5 8R Comfort Module Unit Bracket Holder Mount Carrier 8R0907461A

€23.95

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Audi A3 8Y Volkswagen Golf Mk8 Keyless Entry Module Control Unit ECU 5WA959436B

€23.95

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Part no. 8P7907115F-1

Audi A3 8P 1.8 TFSI BZB 160HP Engine Control Unit ECU 8P7907115F Manual

€85.95

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Part no. 4H0907401-1

Audi A8 4H 3.0 TDI CDTA 250HP Quattro Engine ECU Kit 4H0907401 BCM + Key + Lock

€379.95

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Part no. 4H0959591A

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€28.95

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Part no. 4F7910401L-2

Audi A6 C6 2.7 TDI Quattro CANC 190HP Engine Module ECU Kit 4F7910401L Automatic

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€284.95

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Part no. 8K0959792

Audi A4 B8 Door Module Control Unit Module ECU Front Left N/S 8K0959792

€32.95

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€23.95

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€165.95

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Part no. 4N0906093D

Audi Q3 F3 Fuel Pump Control Module ECU 2.5 Petrol DNWA 4N0906093D

€47.95

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Part no. 4G1035053J

Audi A1 8X A4 B9 Radio Head Unit Stereo Audio Module Controller 4G1035053J

€336.95

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Part no. 8V0907376G

Audi A3 S3 8V Suspension Damping Control Unit Module 8V0907376G

€170.95

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Part no. 4L0959760-2

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€66.95

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Part no. 03L906018JR

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€66.95

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€28.95

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Audi TT 8J Alarm Signal Body Sound Impact Control Module Unit 8J0907159B

€23.95

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Part no. 4F0959795A

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€23.95

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€23.95

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€113.95

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€80.95

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€23.95

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Part no. 4G8959792J

Audi A7 4G8 Door Control Module Front Passenger Side 4G8959792J

€23.95

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Audi A6 C6 Aerial Antenna Amplifier Right O/S FM Booster Unit 4F5035225D

€23.95

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Part no. 4K0907594AC

Audi S5 F5 VW Passat B8 Tiguan AD1 Sunroof Control Module ECU Unit 4K0907594AC

€70.95

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Part no. 5QA919283C

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€23.95

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€47.95

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Part no. 4F5035225AJ

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€23.95

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€203.95

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Part no. 8W0959655B

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€237.95

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Part no. 8R0907468T

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€23.95

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Part no. 03G906021LG-1

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€189.95

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€70.95

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Part no. 4H0959760F

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