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 4HV.B 03C906024B 6160139303
Vendors's code: 6160139303
Product code: 03C906024B
Barcode:
Code 39:
ISBN:
406,50 zł
Price
406,50 zł
500,00 zł
Price
500,00 zł
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 4HV.B 03C906024B 6160139303
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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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Looking for ECU 03C906024B for a 2007 Fabia 1.4?
This Magneti Marelli IAW 4HV.B unit has the VW/Skoda number 03C906024B and the manufacturer's number 61601.393.03. It comes from a 2007 petrol Fabia 1.4, and is used and fully working.
Engine Control Unit Skoda Fabia 1.4 Magneti Marelli IAW 4HV.B 03C906024B 6160139303
Magneti Marelli makes the IAW series of engine control units. This unit, type IAW 4HV.B, came from a 2007 Fabia 1.4 and controls injection and ignition. The number 03C906024B was assigned by the VW Group, and 61601.393.03 by Magneti Marelli.
Markings on the label
- 03C906024B – VW/Skoda part number; the letter B indicates the version
- 6160139303 – Magneti Marelli number, on the label 61601.393.03
- 4HV0896H05 – additional marking from the label
- IAW 4HV.B – ECU type
The car's year of manufacture is only a guide. Compatibility is decided by the VW number with the letter B and the Magneti Marelli number.
When the IAW 4HV.B ECU may be faulty
- the injectors are not being triggered despite a good power supply,
- cutting out while driving and difficulty restarting,
- unstable revs that cleaning the throttle body does not improve,
- no communication with the unit.
The first step is to check the fuses, earth and ECU connector – the cause often lies there.
Versions: locked and unlocked
In the unlocked version, we prepare the ECU before dispatch; this usually takes 1–2 working days. The locked version contains the donor Fabia's data and immobiliser and is intended for garages that will unlock, program and adapt it themselves.
Not every option – PIN / CAR PASS, Virgin, IMMO OFF, auto programming, cloning – is possible for this unit, as it depends on the part number, software and immobiliser. Please ask before ordering. See also ECU options.
Questions and answers
| What is the 4HV0896H05 marking for? |
|---|
| It is an additional code from this ECU's label – it is worth comparing it with the sticker on your unit. |
| Does ECU 03C906024B fit a Fabia from a different year? |
| It may, if the numbers match. The car's year is not decisive. |
| What condition is the ECU in? |
| Used, fully working, in good condition. You will find the warranty period in the product specification table. |
Send the numbers from the label to contact@auto24parts.com – we will check compatibility and the available options.
