A faulty transmission control module (TCM) most often causes limp mode with the gearbox stuck in one gear, harsh jolts when you select D or R, erratic gear changes, flashing PRND letters and a gearbox or engine warning light. However, the same symptoms are often caused by a low gearbox oil level, a weak battery, a poor earth or a faulty sensor. To test a transmission control module, start by checking the battery and reading the fault codes with a diagnostic tool that can talk to the gearbox control unit, then check the power supply, the connector, the oil and the live data. Below we explain the symptoms, the diagnostic steps and what the most common fault codes mean.
Engine Control Unit Volkswagen Polo Audi Magneti Marelli IAW 4LU.X 036906034E 6160046908
Vendors's code: 6160046908
Product code: 036906034E
Barcode:
Code 39:
ISBN:
€81.30
Price
€81.30
€100.00
Price
€100.00
Select a product option:
Individual variants may differ in price
product option
Important: Depending on the ECU type and vehicle model, not all of the options listed below may be available.
To select the correct option for your vehicle and ECU, please contact us before purchasing:
contact@auto24parts.com
1. Locked
This option is intended for professional workshops with the required specialist equipment and technical knowledge.
The ECU has been removed from a vehicle intended for recycling and still contains the immobilizer data and other information from the previous vehicle. Before it can be used in another car, it must be unlocked and then programmed using specialist automotive diagnostic equipment.
2. Unlocked
Several preparation methods may be available. The possible options depend on the ECU type, vehicle model and immobilizer system. Please contact us before purchasing, as some preparation methods are not available for every ECU.
Our electronics specialists can prepare the ECU in one of the following ways:
a) ECU with PIN code (Car Pass)
The PIN code is supplied, but programming with a suitable diagnostic tool is still required. After installing the ECU, it must be reset using the supplied PIN code and then programmed to the vehicle’s immobilizer system.
b) VIRGIN ECU
The data from the previous vehicle is removed and the ECU is restored to a clean, factory-like state. After installation, it must be programmed to the vehicle using a compatible specialist diagnostic tool. Unless another preparation method is specified in the product description, this is the standard unlocking option for most of our ECUs.
c) Plug & Play – IMMO OFF
The immobilizer function is disabled in the ECU. After installation, the engine can start without additional immobilizer programming. Please note that the vehicle will no longer have an active immobilizer function, and an immobilizer warning light or fault code may remain, depending on the vehicle model.
d) Plug & Play – Automatic Programming
After installation, the ECU automatically learns and saves the required vehicle data. No additional programming is normally required.
e) Plug & Play – 1:1 Clone
The data from your original ECU is copied to another fully functional ECU. The cloned unit is then ready for installation without additional programming.
You must send us your original ECU so that we can transfer its data to the replacement unit.
The original ECU must have working communication with the vehicle, a diagnostic tool or our programming equipment. If the required data cannot be read, a complete 1:1 clone may not be possible.
3. Complete Plug & Play Set
A complete matched set containing the ECU, immobilizer components and all other parts required to start the vehicle without additional programming. All components supplied in the set must be installed in the vehicle.
Important:
Dispatch time depends on the selected option. If an unlocked or specially prepared version is ordered, the preparation service usually requires an additional 1–2 business days.
Ask about the product
Engine Control Unit Volkswagen Polo Audi Magneti Marelli IAW 4LU.X 036906034E 6160046908
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Shipping
from
€30.00
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shipping
(Poland)
from
€30.00
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shipping
(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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How can I check whether the 036906034E ECU will fit my car?
Compare the VW number 036906034E and the Magneti Marelli number 61600.469.08 with the label on your ECU. This is a used, working IAW 4LU.X module for a petrol engine, used in the Volkswagen Polo and Audi.
Engine Control Unit Volkswagen Polo Audi Magneti Marelli IAW 4LU.X 036906034E 6160046908
The Magneti Marelli IAW 4LU.X is a petrol engine ECU which, according to our data, was used in the Volkswagen Polo and in Audi models. The module is responsible for fuel injection and ignition, controls the idle speed and stores faults in its memory. When it stops working properly, the engine usually cannot be started or runs very roughly. Volkswagen gave it the number 036906034E, and the manufacturer the number 6160046908.
ECU markings
- 036906034E – VW part number
- 6160046908 – Magneti Marelli number, 61600.469.08 on the label
- IAW 4LU.X – ECU family
A number in the 61600.xxx.xx format is typical Magneti Marelli numbering. The key one, however, is the VW number – the letter E at the end distinguishes this module from the other 036906034 versions.
Symptoms of a faulty ECU
- no spark or no injector activation,
- the engine warning light is on and the car runs in limp mode,
- the engine suddenly cuts out while driving,
- the ECU does not respond in diagnostics.
Beforehand, make sure the main relay, fuses and earths are working properly.
Which version is right for you?
A locked ECU has the data and immobiliser of the previous vehicle – it is bought by workshops that will program and adapt it themselves. We prepare an unlocked one in-house before dispatch, usually within 1–2 working days.
Whether PIN / CAR PASS, Virgin, IMMO OFF, auto programming or a clone can be used depends on the number, software and immobiliser, so please ask before buying. See also the ECU preparation options page.
Questions and answers
| Are 61600.469.08 and 6160046908 the same number? |
|---|
| Yes, it is one Magneti Marelli number written in two ways. |
| Which Audi does this ECU fit? |
| Our data refers to Audi in general, with no model. Confirm compatibility using the number 036906034E on your module. |
| What condition is the ECU in? |
| It is a used part, working and in good condition. You will find the warranty period in the product features table. |
Send a photo of the label to contact@auto24parts.com and we will check that the numbers match.
