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

Find it faster

Match to your vehicle

Make

Volkswagen Golf Mk6 Skoda Octavia 1Z Body Control Module BCM ECU 1K0937084B

Product currently unavailable

Part no. 8X0959795B

Skoda Superb B6 Rear Door Control Module Unit Left Right N/O/S 8X0959795B

Product currently unavailable

Part no. 1Z0907115AF-1

Skoda Octavia RS II 2.0TFSI CCZA 200HP Engine Unit ECU Kit 1Z0907115AF Manual

Product currently unavailable

Part no. 5K0959793C

Skoda Octavia RS 1Z Door Module Control Unit ECU 5K0959793C

Product currently unavailable

Part no. 7N0959793

Skoda Yeti 5L Door Control Unit Module ECU Driver's Side 7N0959793

Product currently unavailable

Part no. 5J0035161A

Skoda Fabia 5J Dance CD Player Audio Stereo Radio Head Unit 5J0035161A

Product currently unavailable

Part no. 7N0959794

Skoda Yeti 5L Door ECU Module Control Unit Rear Right O/S 7N0959794

Product currently unavailable

Part no. 7N0959792

Skoda Yeti 5L Door Control Unit Module ECU Passenger's Side 7N0959792F

Product currently unavailable

Part no. 5Q0937086AJ

Skoda Octavia 5E VW Golf AU Body Control Comfort Unit Module BCM 5Q0937086AJ

Product currently unavailable

Part no. 04L907309R-5

Skoda Octavia Mk3 5E 2.0 TDI 150HP CRMB Engine Control ECU 04L907309R Manual

Product currently unavailable

Part no. 5E0919605J

Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player Screen 5E0919605J

Product currently unavailable

Part no. 2Q0907685J

Volkswagen Golf Mk8 Lane Change Assist Module Control Unit Left N/S 2Q0907685J

Product currently unavailable

Part no. 5E3035816M

Skoda Octavia Mk4 Sat Nav Radio Player Head Unit Module 5E3035816M

Product currently unavailable

Part no. 05L907309T

Skoda Karoq Tiguan Mk2 Engine Control Module Automatic 2.0 TDI ECU 05L907309T

Product currently unavailable

Part no. 6Q0959433E

Skoda Fabia Mk1 Volkswagen Polo 9N Body Control Module Unit BCM 6Q0959433E

Product currently unavailable

Part no. 300001506758

Skoda Rapid B6 3T Towbar Control Module Unit Ecu 300001506758

Product currently unavailable

Part no. 04L907309R-7

Skoda Octavia RS 5E 2.0 TDI 184HP CUNA Engine ECU 04L907309R Manual

Product currently unavailable

Part no. 5J0959433A

Skoda Fabia 5J Roomster Body Comfort Module Control Unit 5J0959433A

Product currently unavailable

Part no. 3Q0959655AC

Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AC

Product currently unavailable

Part no. 6Q1937049D

Skoda Fabia 6Y Mk1 Body Control Comfort Unit Module BCM Unit 6Q1937049D

Product currently unavailable

Part no. 5J0035161G

Skoda Fabia 5J Roomster 5J Radio CD Player Head Unit Swing 5J0035161G

Product currently unavailable

Part no. 03E906023Q

Skoda Fabia 5J 1.2 CGPA 69HP Engine Control Unit ECU Kit 03E906023Q Manual

Product currently unavailable

Part no. 3Q0959655AQ

Skoda Octavia 5E Air Module Control Unit ECU Module Sensor 3Q0959655AQ

Product currently unavailable

Part no. 6R7937087K

Skoda Fabia 5j Body Control Module BCM Unit Power Supply Convenience 6R7937087K

Product currently unavailable

Part no. 5E0919605M

Skoda Octavia Mk3 5E Multifunction Display Screen Control Unit 5E0919605M

Product currently unavailable

Part no. 5Q0035874C

Skoda Octavia Mk3 5E MMI Multimedia SAT NAV Radio Stereo Head Unit 5Q0035874C

Product currently unavailable

Part no. 5Q0035874A

Skoda Rapid Spaceback NH1 Multimedia Audio Sat Nav Head Unit 5Q0035874A

Product currently unavailable

Part no. 7N0959795D

Skoda Yeti 5L Rear Door Control Module Unit Left Right N/O/S 7N0959795D

Product currently unavailable

Part no. 1K0937086C

Skoda Yeti 5L BCM Body Control Onboard Supply Module Unit ECU 1K0937086C

Product currently unavailable

Part no. 3T9035577

Skoda Superb Mk2 B6 Aerial Antenna Amplifier Module 3T9035577

Product currently unavailable

Part no. 3V0919606

Skoda Superb Mk3 3V Radio CD Player Head Unit Sat Nav Display Unit 3V0919606

Product currently unavailable

Part no. 5Q0959760B

Skoda Superb Mk3 3V Seat Backrest Adjusmtnet Control Unit Module 5Q0959760B

Product currently unavailable

Part no. 566941645

Skoda Karoq Reflector Headlight LED Module Unit Left N/S 566941645

Product currently unavailable

Part no. 3V0035020C

Skoda Superb Mk3 3V Dashboard Sat Navigation CD Stereo Head Unit 3V0035020C

Product currently unavailable

Part no. 5E0919605B

Skoda Octavia 5E Sat Navi Stereo Radio Audio Head Unit Player 5E0919605B

Product currently unavailable

Part no. 3V0919201

Skoda Superb Mk3 Rear Centre Console Digital Clock 3V0919201

Product currently unavailable

Part no. 1Z0035156M

Skoda Yeti 5L Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156M

Product currently unavailable

Part no. 1Z0035156F-1

Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F

Product currently unavailable

Part no. 5E0919605D

Skoda Octavia Mk3 Stereo Radio CD Player Head Unit Display 5E0919605D

Product currently unavailable

Part no. 7N0959795

Skoda Yeti 5L Door Control Unit Module ECU Rear Left N/S 7N0959795

Product currently unavailable

Part no. 6R7937087R

Skoda Fabia MK2 Body Control Module BCM Unit 1.2 MPI 6R7937087R

Product currently unavailable

Part no. 5WA906507A

Audi A3 8Y VW Golf Mk8 Engine Module ECU Mount Bracket Support 5WA906507A

Product currently unavailable

Part no. 565035874

Skoda Karoq NU7 Radio Sat Nav Multimedia MMI Head Unit 565035874

Product currently unavailable

Part no. 1Z0035161C

Skoda Octavia II Radio Control Autoradio Head Unit Stream MP3 1Z0035161C

Product currently unavailable

Part no. 1Z0035156F

Skoda Octavia II Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156F

Product currently unavailable

Part no. 06K907425B-19

Skoda Octavia RS 5E 2.0TSI CHHA 220HP Engine Unit ECU Kit 06K907425B Automatic

Product currently unavailable

Part no. 3Q0906121D

Skoda Karoq Crafter SY Transporter T6 Fuel Pump Control Unit 2.0 TDI 3Q0906121D

Product currently unavailable

Part no. 7H0919275C-PRB

Skoda Octavia II PDC Parking Sensor Control Unit Module Prince Blue F5X

Product currently unavailable

Part no. 1Z0907115AF

Skoda Octavia RS II 2.0TFSI CCZA 200HP Engine Unit ECU Kit 1Z0907115AF Automatic

Product currently unavailable

Part no. 5L0051236T

Skoda Octavia Superb III Card Map Sat Navi Navigation Europe 2017 5L0051236T

Product currently unavailable

Part no. 05E907309H-2

Skoda Karoq NU7 1.5 TSI DPCA 150HP Engine Control Module Kit 05E907309H Manual

Product currently unavailable

Part no. 03G906021LD

Skoda Octavia Mk2 2.0TDI BKD 140HP Engine Control Unit ECU 03G906021LD Manual

Product currently unavailable

Part no. 1Z0035161B

Skoda Octavia II Radio Control Autoradio Head Unit Stream MP3 1Z0035161B

Product currently unavailable

Part no. 5E0941645

Skoda Octavia Mk3 5E LED Headlight Headlamp Module Control Unit 5E0941645

Product currently unavailable

Part no. 3T0907115G

Skoda Octavia Mk2 1.8 TFSI CDAA 160HP Engine Unit ECU Kit 3T0907115G Automatic

Product currently unavailable

Part no. 06Q907309A

Skoda Superb Mk3 Engine Control ECU 2.0 Petrol 190HP DNNA Automatic 06Q907309A

Product currently unavailable

Part no. 3G0845109

Volkswagen Tiguan Skoda Octavia 5E Sun Light Solar Sensor Control Unit 3G0845109

Product currently unavailable

Part no. 5Q4959393C

Skoda Octavia Mk3 5E Front Door Control Module Unit Driver's Side 5Q4959393C

Product currently unavailable

Part no. 5E0035411D

Skoda Octavia RS 5E Front Bass Loudspeaker Digital Sound System DSP 5E0035411D

Product currently unavailable

Part no. 5Q0955547

Skoda Octavia Fabia III Rain Sensor Control Unit Module 5Q0955547

Product currently unavailable

Part no. 03L906018BP-1

Skoda Yeti Mk1 2.0 TDI 110HP CFHA Engine Control Unit ECU 03L906018BP Manual

Product currently unavailable

Part no. 5Q4959393B

Skoda Octavia 5E Front Door Control Module Unit Driver's Side 5Q4959393B

Product currently unavailable

Part no. 5E0919605H

Skoda Octavia 5E Sat Navi Stereo Radio Display Audio Head Unit Player 5E0919605H

Product currently unavailable

Part no. 1Z0035156G

Skoda Yeti 5L Multimedia Head Unit Bolero Radio CD MP3 Player 1Z0035156G

Product currently unavailable

Showing 100-163 of 163 products