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 Magneti Marelli IAW 4MU.CB 036906034CB 6160065810
Vendors's code: 6160065810
Product code: IAW4MUCB
Barcode:
Code 39:
ISBN:
$124.06
Price
$124.06
$152.59
Price
$152.59
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 Magneti Marelli IAW 4MU.CB 036906034CB 6160065810
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Looking for ECU 036906034CB for a Skoda Fabia?
This Magneti Marelli IAW 4MU.CB unit has the VW number 036906034CB and the manufacturer's number 61600.658.10. It comes from a petrol Fabia, is used and fully working, and compatibility is decided by the numbers on the label.
Engine Control Unit Skoda Fabia Magneti Marelli IAW 4MU.CB 036906034CB 6160065810
The IAW 4MU.CB type makes it easy to tell this Magneti Marelli ECU apart from other units fitted to the Fabia. Unit 036906034CB controlled a petrol engine – injection, ignition and idle. We do not give the engine size, so compare the numbers with the label on your ECU.
Numbers on the sticker
- 036906034CB – VW/Skoda part number, version CB
- 6160065810 – Magneti Marelli number, as on the label: 61600.658.10
- IAW 4MU.CB – ECU type
The letters CB in the VW number and in the type name indicate the same version. A unit with a different ending may have different software and fail to start your Fabia.
Possible signs of a fault
- the engine will not start or only fires after several attempts,
- rough running and hesitation at a constant speed,
- the ECU does not respond to the diagnostic tool,
- signs of water ingress around the unit or connector.
Check the battery, earths and the wiring loom near the ECU first – they are often the source of the problem.
Locked or unlocked – the differences
The locked version is the ECU as it was in the previous car, with its data and immobiliser – for garages that do the unlocking, programming and adaptation themselves. We prepare the unlocked version before dispatch, usually within 1–2 working days.
The PIN / CAR PASS, Virgin, IMMO OFF, auto programming and cloning options are not always available – they depend on the part number, software and immobiliser. Please contact us before you buy. Details on the ECU options page.
Questions and answers
| Which Fabia does ECU 036906034CB fit? |
|---|
| A petrol-engined Fabia fitted with a unit carrying the same VW number and the number 61600.658.10. |
| What does IAW 4MU.CB mean? |
| It is the Magneti Marelli ECU type, matching the CB suffix of the VW number. |
| Is there a warranty? |
| Yes. The ECU is used, fully working and in good condition. You will find the warranty period in the product specification table. |
Send the numbers from your ECU to contact@auto24parts.com – we will tell you whether this unit fits.
