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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BMW F10 F11 F20 F21 F22 F30 F31 Front Seat Control Module ECU 9257098

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Door Module Mercedes W176 W246 Front Right O/S Control Unit A1669006105

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Audi Q5 FY 2.0 TFSI DAXB Petrol Supply Body Control Module Unit 8W0907063CG

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BMW F20 F21 F22 F30 F31 ECU ICM Plus Control Unit Module 6855558

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Mercedes W213 Door Module Rear Left N/S Control Unit A2139004709

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Glow Plug Relay Mercedes W177 Diesel OM654 Preglow Module A6549009900

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BMW 5 6 Series E60 E61 LCI E63 E64 Body Gateway Module ECU Control Unit 9186170

€23.95

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BMW F01 F02 LCI F06 F10 F11 F13 ECU ICM Control Unit Air Module 6850783

€23.95

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Mercedes W205 Rear SAM Module Control Unit A2229005914

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€75.95

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Audi A3 8V Multimedia Radio Sat Nav CD Player Head Unit 8V0035874C

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Roof Module BMW Z4 E85 Roadster Cabrio Convertible Folding Top 7199819

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Headlight Module BMW F20 F21 LCI Front Lamp Hedlamp LED Control Unit 7428425

€37.95

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BMW F10 F11 F30 F01 F02 LCI Air Control Module ECU Unit 9280186

€23.95

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Audi A3 8P Convertible Roof Control Module ECU 8P7959255

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Audi A4 B8 Body Control Comfort Unit Module BCM Unit ECU 8K0907064C

€23.95

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Audi S3 8V Front Headlight Lamp Range Control Module ECU 3Q0907338

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Audi TT FV LED Headlight Ballast Module Daytime Running Lights Unit 4G0907697H

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Audi Q3 8U Door Module Rear Left Door Control Unit 8X0959795C

€23.95

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Audi A3 8P Multimedia Concert Radio CD Player Head Unit 8P0035186S

€23.95

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Air Module BMW F45 X1 F48 Mini F54 F55 F56 Air Module Control Unit ECU 6998485

€89.95

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VW Volkswagen Tiguan 5N Front Right O/S Door ECU Module Control Unit 4F0959793E

€23.95

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Audi Q7 4L Comfort Control Module Unit ECU 4F0907279D

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Mercedes W221 Rear View Backup Camera Control Unit Module A2218708326

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Audi A4 S4 B9 Front Windscreen Windshield Lane Assist Camera 8W0907217C

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Audi A4 B8 PDC Assistance Parking Distance Control Module Unit ECU 8K0919475AA

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Mercedes ML W164 Door Module Front Right O/S Control Unit ECU A1648200485

€23.95

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BMW E81 E87 E90 E91 Control Unit Air Module ECU NO CRASH DATA 9166057

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BMW F10 ECU Body Control Module V2 PL6 JBBFE III Junction Box 9244392

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Tailgate Smart Opener BMW F10 F11 X1 F48 X3 F25 Control Unit Module 7464750

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Part no. 8516739-6

Mini SD R56 LCI R60 143HP N47N Engine ECU Kit DDE 8516739 + CAS3 + Key, Manual

€104.95

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Land Rover Sport L494 Remote Keyless Entry Antenna Module JPLA-15K603-AB

€23.95

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BMW Mini Cooper S R56 Automatic Gearbox ECU Control Unit EGS Module 7579136

€47.95

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BMW E91 LCI ECU Body Control Module Junction Box H2 9229878

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BMW 3 4 Series F30 F82 M4 Carrier Mount Holder Backrest Left N/S 7346699

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Part no. 4L0910441C

Audi Q7 4L Rear Reversing Camera Module View Control Unit ECU 4L0910441C

€94.95

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BMW X3 E83 Steering Control Module Unit Servo SVT Servotronic 3404171

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BMW E81 E82 E87 LCI E88 N47S 123d Engine Control ECU Kit DDE 7812502 Manual

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BMW E81 E87 LCI E90 E91 120d 320d N47 177HP ECU KIT DDE 8506438 CAS 3 Key

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Telematics Module Mercedes W176 W207 W205 Bluetooth Control Unit A2139003617

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Module Fuel Pump Mercedes W205 C253 Control Module Unit A0009002414

€23.95

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€23.95

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Part no. 7447895

Fuel Pump Module BMW F20 F21 F30 F31 N13 Petrol Control Unit 7447895

€23.95

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Part no. 06K907425B

Audi S1 8X 2.0 TFSI CWZA 231HP Quattro Engine Control Unit ECU 06K907425C

€180.95

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Part no. 4F0035053B

Audi A4 A5 A6 Q5 Q7 Radio Control Head Unit Harman Becker 4F0035053B

€208.95

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Part no. A1779001604

Mercedes W177 W247 Door Module Front Right Control Unit A1779001604

€28.95

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Part no. 4H0959651A

Audi A1 A6 A7 Impact Crash Control Sensor Module ECU 4H0959651A

€23.95

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€23.95

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Parking Module Mercedes W207 W212 PDC Distance Control Unit Sensor A2129003704

€28.95

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€23.95

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Skoda Octavia 5E Front Door Module Control Unit ECU Passenger Side 5Q4959392E

€23.95

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€85.95

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Part no. 5DV-008-290-00

Mercedes W211 Xenon Headlight Level Control Module 5DV 008 290-00

€23.95

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Part no. 9118931

BMW E60 E61 LCI Airbag ECU Control Unit Module 9118931

€23.95

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BMW 3 Series E90 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6961134

€61.95

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Part no. 8W0959593M

Audi A4 B9 A5 F5 Front Door Module Control Unit ECU Driver Side 8W0959593M

€23.95

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€80.95

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€66.95

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BMW F10 F20 F30 Mini F55 F56 KaFAS Camera Front Control Unit Module ECU 6992830

€32.95

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Display Screen BMW F45 F46 Central Information Navigation Monitor 6,5" 8803368

€161.95

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Mercedes W221 Seat Occupancy Mat Control Unit Sensor A2218200210

€32.95

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Seat Module Mercedes W204 Front Right O/S Memory Control Unit A1729007600

€47.95

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€85.95

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Mercedes C205 SAM Module Rear Comfort Control Unit ECU A2059008826

€28.95

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Audi A4 B8 Rear Door Module Control Unit ECU Left N/S 8K0959795A

€23.95

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€23.95

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€113.95

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€23.95

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Part no. 5H2Z-14A686-BA

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€23.95

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