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 CGGB Magneti Marelli MY2 4HV.CE 03C906024CE
Vendors's code: 03C906024CE
Product code: 03C906024CE
Barcode:
Code 39:
ISBN:
€121.95
Price
€121.95
€150.00
Price
€150.00
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 CGGB Magneti Marelli MY2 4HV.CE 03C906024CE
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Looking for ECU 03C906024CE for a Skoda with the CGGB engine?
This used, fully working Magneti Marelli MY2 4HV.CE unit carries the VW/Skoda number 03C906024CE and comes from a car with the CGGB petrol engine. You can order it locked or unlocked.
Engine Control Unit Skoda CGGB Magneti Marelli MY2 4HV.CE 03C906024CE
The CGGB engine code is a good starting point when searching for parts – you will find it on the engine block or in the car's documentation. This petrol engine uses a Magneti Marelli ECU from the MY2 family, version 4HV.CE, numbered 03C906024CE. The unit controls injection and ignition; the Skoda model is not given, so go by the number on the label.
How to identify this ECU
- 03C906024CE – VW/Skoda part number; the CE suffix indicates the version
- MY2 4HV.CE – Magneti Marelli ECU type
- CGGB – code of the engine the unit came from
03C906024 ECUs come with various closing letters, and each version has its own software. The engine code alone does not guarantee compatibility – compare the full number.
Signs of failure
- the engine will not start even though there is a test spark and fuel pressure,
- uneven revs and hesitation when accelerating,
- no response from the unit during diagnostics,
- the immobiliser light flashes even though the key is coded.
Start by checking the fuses, earth leads and ECU connector; if the immobiliser light is flashing, check the key itself as well.
Preparation before dispatch
There are two versions to choose from. The locked version contains the previous car's data and immobiliser – it is intended for garages that will unlock, program and adapt it themselves. We prepare the unlocked version in-house, usually within 1–2 working days.
Whether PIN / CAR PASS, Virgin, IMMO OFF, auto programming or cloning is possible depends on the ECU number, its software and the car's immobiliser. Please ask us before you order. Details: ECU options.
Questions and answers
| I have a CGGB engine but a different ECU number – will this one fit? |
|---|
| Not necessarily. The number 03C906024CE on the label matters more than the engine code. |
| Who makes this ECU? |
| Magneti Marelli – it is an MY2-family ECU, version 4HV.CE. |
| Do I get a warranty on a used unit? |
| 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 or a photo of the label to contact@auto24parts.com and we will advise on the right version.
