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 Skoda Fabia 1.4 Magneti Marelli IAW 4LV.C 036906034T 6160048912
Vendors's code: 6160048912
Product code: 036906034T
Barcode:
Code 39:
ISBN:
€162.60
Price
€162.60
€200.00
Price
€200.00
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 Skoda Fabia 1.4 Magneti Marelli IAW 4LV.C 036906034T 6160048912
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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 does ECU 036906034T differ from 036906034BK?
Both are Magneti Marelli IAW 4LV.C units for the Fabia 1.4, but they have different VW and Magneti Marelli numbers: this one is 036906034T with the number 61600.489.12. A different suffix means a different version, so they are not automatically interchangeable.
Engine Control Unit Skoda Fabia 1.4 Magneti Marelli IAW 4LV.C 036906034T 6160048912
A single letter T at the end of the number is enough to distinguish this ECU from other 036906034 versions. This Magneti Marelli IAW 4LV.C unit comes from a Skoda Fabia with the 1.4 petrol engine, where it controlled fuel injection and ignition. It is used, fully working and in good condition.
How to recognise version T
- 036906034T – VW/Skoda part number with a single version letter: T
- 6160048912 – Magneti Marelli number, on the sticker 61600.489.12
- IAW 4LV.C – Magneti Marelli ECU type
The Magneti Marelli number also differs from version BK in its ending (489.12 instead of 489.19). So look for a unit with an identical set of numbers.
Signs of a unit fault
- the mixture does not ignite despite working spark plugs,
- cutting out when braking or when stationary,
- the fuel pump does not start when the ignition is switched on,
- the fault memory contains a fault in the ECU itself.
First check the fuel pump relay and the ECU's power supply and earth – their failures look very similar.
Locked or unlocked version?
You can choose a locked unit – with the data and immobiliser of the car it came from, intended for garages that carry out unlocking, programming and adaptation themselves – or an unlocked one, which we prepare before dispatch, usually within 1–2 working days.
Which method is an option – PIN / CAR PASS, Virgin, IMMO OFF, auto programming, cloning – follows from the part number, software and immobiliser. So please ask before ordering. See ECU preparation options.
Questions and answers
| I have ECU 036906034BK – can I fit 036906034T instead? |
|---|
| Not without checking. They are different versions – email us with the numbers from the label. |
| Is 61600.489.12 this ECU's number? |
| Yes, it is the Magneti Marelli number 6160048912 as written on the sticker. |
| What condition is the unit in? |
| Used, fully working, in good condition. You will find the warranty period in the product specification table. |
Not sure which version is in your car? Email contact@auto24parts.com.
