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 Bosch MED17.5.5 03C906026J 0261S08147
Vendors's code: 0261S08147
Product code: 0261S08147
Barcode:
Code 39:
ISBN:
1 300,81 zł
Price
1 300,81 zł
1 600,00 zł
Price
1 600,00 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 Bosch MED17.5.5 03C906026J 0261S08147
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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 03C906026J for a 2012–2013 Skoda Fabia?
This used, fully working Bosch MED17.5.5 unit, number 0261S08147, comes from a petrol-engined Fabia. You can order it locked or unlocked – we agree the available preparation method before you buy.
Engine Control Unit Skoda Fabia Bosch MED17.5.5 03C906026J 0261S08147
The Bosch MED17.5.5 belongs to the Motronic family of petrol engine ECUs – the letter D in the name indicates direct injection. This unit, VW number 03C906026J, comes from a Skoda Fabia built in 2012–2013. It controls injection and ignition, adjusting the operating parameters continuously according to sensor readings.
Numbers on the label
- 03C906026J – VW/Skoda part number
- 0261S08147 – Bosch number, shown on the sticker as 0 261 S08 147
- MED17.5.5 – Bosch ECU family
When matching, compare the VW number first and foremost. The letter J at the end denotes a specific software or hardware version, so a unit with a different letter may not suit your Fabia.
Signs of ECU damage
- the engine will not start or cuts out after a few seconds,
- the engine warning light stays on and the diagnostic tool cannot connect to the unit,
- uneven idle even though the plugs and coils are working,
- injector or ignition faults that return after clearing.
It is worth ruling out a damaged wiring loom, a corroded connector and a weak battery first.
Locked or unlocked version?
You can order this unit in one of two versions. The locked one holds the data and immobiliser of the car it came from – the choice for a garage that will unlock, program and adapt it itself. We prepare the unlocked one before dispatch, usually within 1–2 working days.
The available method (PIN / CAR PASS, Virgin, IMMO OFF, auto programming or cloning) depends on the part number, software and immobiliser, so please ask about it before you buy. Details: ECU preparation options.
Questions and answers
| Are 03C906026J and 0261S08147 the same ECU? |
|---|
| Yes. The first number was assigned by Volkswagen/Skoda, the second by Bosch as the unit's manufacturer. |
| Will ECU 03C906026J start the engine straight after fitting? |
| The locked version will not – it has to be unlocked and matched to the immobiliser. With the unlocked version, it depends on the preparation method agreed before purchase. |
| How long does it take to prepare the unlocked version? |
| Usually 1–2 working days before dispatch. We confirm the method beforehand, as it depends on the part number, software and immobiliser. |
| What condition is this ECU in? |
| It is a used part, fully working and in good condition. You will find the warranty period in the product specification table. |
Have a question about compatibility? Email contact@auto24parts.com with a photo of your ECU's label.
