A properly functioning ABS system is the foundation of road safety. Its main task is to prevent wheel lock-up during emergency braking, which allows the driver to maintain full control of the vehicle. The heart of this system is the electronic ABS pump controller. When it fails, the system stops working. A proper diagnosis of the problem allows you to avoid unnecessary costs and quickly restore brake efficiency.
ECU Engine controller VW Volkswagen Seat Leon 1.9 TDI Bosch 0281015336 03G906056AA 03G906021AB Diesel EDC16U34
Vendors's code: 03G906056AA
Product code: 0281015336
Barcode:
Code 39:
ISBN:
£93.61
Price
£93.61
£115.14
Price
£115.14
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
ECU Engine controller VW Volkswagen Seat Leon 1.9 TDI Bosch 0281015336 03G906056AA 03G906021AB Diesel EDC16U34
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ECU ENGINE CONTROLLER VW VOLKSWAGEN SEAT LEON 0281015336 03G906056AA
Tested ECU Engine controller for VW Volkswagen (also used in Seat Leon 1.9 TDI), part numbers 0281015336 and 03G906056AA, with warranty and fast shipping.
ECU Engine controller VW Volkswagen Seat Leon 1.9 TDI Bosch 0281015336 03G906056AA 03G906021AB Diesel EDC16U34
Which vehicles use Bosch ECU 0281015336 (03G906056AA)?
This Bosch ECU Engine controller 0281015336 with reference 03G906056AA is listed for selected 1.9 TDI diesel applications, including Seat Leon 1.9 TDI. The safest way to confirm fitment is to match the exact numbers on your original ECU label.
If your original unit also shows 03G906021AB, compare every marking on the label, as EDC16U34 units can exist in different variants.
What do 0 281 015 336 and 0281015336 mean on the same ECU?
0 281 015 336 and 0281015336 are the same Bosch number shown in two formats: spaced and compact. This makes it easier to match the unit even if your label uses a different print style.
When selecting an ECU for VW/Seat, you should also match the VAG reference 03G906056AA.
What does an EDC16U34 engine ECU do in a 1.9 TDI?
The engine ECU manages key diesel engine functions while you drive. It processes sensor signals and controls essential operating parameters to keep the engine running smoothly and consistently.
That’s why choosing the correct EDC16U34 ECU by numbers (for example 0281015336 / 03G906056AA) matters so much.
Common symptoms of a faulty ECU 0281015336 in Seat Leon 1.9 TDI
A failing ECU can cause hard starting, loss of power, rough running, limp mode, or a Check Engine light. In some cases, fault codes may return even after clearing.
This ECU is offered as a tested product with warranty and fast shipping.
Why should I compare 03G906056AA and 03G906021AB before ordering?
03G906056AA and 03G906021AB may refer to different ECU variants in similar applications. Even if the units look alike, configuration or software differences can affect operation after installation.
Before ordering, match all label numbers: 0281015336, 03G906056AA and (if present) 03G906021AB.
Does EDC16U34 ECU 0281015336 require coding/adaptation after installation?
Depending on the vehicle version and electronic setup, ECU replacement may require adaptation/coding after installation so it can work correctly with other modules.
Exact matching of 0281015336 and 03G906056AA makes installation easier and helps ensure correct operation after replacement.
