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 Octavia 2.0 TDI Bosch EDC16U34 03G906021LD 0281013187
Vendors's code: 0281013187
Product code: 03G906021LD
Barcode:
Code 39:
ISBN:
487,80 zł
Price
487,80 zł
600,00 zł
Price
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 Octavia 2.0 TDI Bosch EDC16U34 03G906021LD 0281013187
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Shipping
from
120,00 zł
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shipping
(Poland)
from
120,00 zł
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shipping
(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
Shipping cost for the selected product
The shipping cost applies to this product (in the selected variant - if applicable). It may change after adding other products to the cart.
Looking for an EDC16U34 unit numbered 03G906021LD?
This ECU has exactly that VW number, plus the Bosch number 0281013187 and software 1039S14575. It comes from a Skoda Octavia 2.0 TDI, is used and fully working – we will ship it locked or unlocked.
Engine Control Unit Skoda Octavia 2.0 TDI Bosch EDC16U34 03G906021LD 0281013187
Every start and every press of the accelerator in an Octavia 2.0 TDI goes through the engine control unit. The 03G906021LD unit from the Bosch EDC16U34 family converts sensor signals into fuel quantity and boost pressure. The Bosch number of this unit is 0281013187.
Numbers to compare
- 03G906021LD – VW/Skoda number (the letters LD denote a specific version),
- 0281013187 – Bosch number, written on the label as 0 281 013 187,
- 1039S14575 – Bosch software number,
- EDC16U34 – ECU family.
When comparing numbers, pay attention to the suffix. 03G906021GD and 03G906021LD look similar, but they are different versions of the unit.
Possible fault symptoms
- the engine starts with a delay or not at all,
- the car suddenly loses power when accelerating,
- an internal ECU fault appears in the fault memory,
- no communication via the diagnostic socket.
Rule out simpler causes first: a weak battery, a blown fuse or a loose earth.
Preparing the ECU for fitting
We can prepare the 03G906021LD unit before dispatch – this is the unlocked version, which usually takes 1–2 working days. If you prefer, we will ship it locked, i.e. with the previous car's data and immobiliser; in that case your workshop does the unlocking, programming and matching.
The PIN / CAR PASS, Virgin, IMMO OFF, auto programming and cloning methods are available depending on the part number, software and immobiliser. Get in touch before buying and we will check what can be done. We have described all the options on the ECU preparation options page.
Questions and answers
| Is EDC16U34 the same family as EDC16U1? |
|---|
| No. They are different Bosch ECU families – do not treat them as interchangeable without checking the numbers. |
| What is the number 1039S14575 useful for? |
| It is the Bosch software number; it helps us choose the unlocking method. |
| What condition is the ECU in? |
| Used, fully working and in good condition. You will find the warranty period in the product specification table. |
Send your questions to contact@auto24parts.com – ideally with a photo of the label.
