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 AUB Magneti Marelli IAW 4LV.C 036906034BK 6160048919
Vendors's code: 6160048919
Product code: 036906034BK
Barcode:
Code 39:
ISBN:
€101.63
Price
€101.63
€125.00
Price
€125.00
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 AUB Magneti Marelli IAW 4LV.C 036906034BK 6160048919
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Where can you find the number 036906034BK in a Fabia 1.4 AUB?
The VW number 036906034BK and the Magneti Marelli number 61600.489.19 are printed on the engine ECU sticker. This used, fully working IAW 4LV.C unit comes from a Fabia with the 1.4 petrol engine, code AUB.
Engine Control Unit Skoda Fabia 1.4 AUB Magneti Marelli IAW 4LV.C 036906034BK 6160048919
The AUB engine code hints at which ECU version to look for, but in the end it is the number that counts. This Magneti Marelli IAW 4LV.C unit, marked 036906034BK, ran the 1.4 AUB petrol engine in a Skoda Fabia. It manages injection and ignition and keeps the idle stable.
Numbers and markings
- 036906034BK – VW/Skoda part number, version BK
- 6160048919 – Magneti Marelli number, as on the label: 61600.489.19
- IAW 4LV.C – ECU type
- AUB – 1.4 engine code
The same IAW 4LV.C type can appear under other VW numbers, for example with different closing letters. So as well as the type, compare the full 036906034 number with the letters BK.
When should you suspect the ECU?
- the AUB engine cranks but will not run,
- the idle speed jumps or the engine stalls when coming to a stop,
- no trigger signal for the ignition coil,
- the unit will not connect to the diagnostic tool.
Start by checking the engine earth, fuses and the condition of the connector – quick and cheap steps.
Choose your version
You can order this unit in one of two versions. We prepare the unlocked one before dispatch – usually within 1–2 working days. The locked one retains the previous Fabia's data and immobiliser; this option is chosen by garages that handle unlocking, programming and adaptation themselves.
Whether PIN / CAR PASS, Virgin, IMMO OFF, auto programming or cloning can be used depends on the part number, software and immobiliser – please ask about it before you buy. Options explained: ECU options.
Questions and answers
| Does every IAW 4LV.C ECU fit the AUB engine? |
|---|
| No. The IAW 4LV.C type has several VW numbers – 036906034BK and the Magneti Marelli number must match. |
| Will the car start after buying the locked version? |
| Not straight away – the ECU has to be unlocked and matched to the immobiliser. |
| What condition is the unit in? |
| Used, fully working, in good condition. You will find the warranty period in the product specification table. |
Before buying, you can send a photo of the label to contact@auto24parts.com – we will confirm compatibility.
