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 Volkswagen Crafter Bosch EDC17C64-2.39 03L906021N 0281032054
Vendors's code: 0281032054
Product code: 0281032054
Barcode:
Code 39:
ISBN:
€487.80
Price
€487.80
€600.00
Price
€600.00
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 Volkswagen Crafter Bosch EDC17C64-2.39 03L906021N 0281032054
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Shipping
from
€30.00
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shipping
(Poland)
from
€30.00
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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
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The shipping cost applies to this product (in the selected variant - if applicable). It may change after adding other products to the cart.
Are 0281032054 and 03L906021N the same ECU?
Yes – 0281032054 (shown on the label as 0 281 032 054) is the Bosch number and 03L906021N is the Volkswagen number of the same EDC17C64-2.39 module. The unit comes from a Volkswagen Crafter and is used and fully working.
Engine Control Unit Volkswagen Crafter Bosch EDC17C64-2.39 03L906021N 0281032054
The diesel Volkswagen Crafter relies on an ECU that uses sensor signals to control fuel injection, rail pressure and boost. This unit is a Bosch EDC17C64-2.39 with VW number 03L906021N. Typical reasons for replacement are a no-start, loss of communication or a module damaged by a voltage spike.
Numbers on the label
- 03L906021N – Volkswagen number, version N
- 0281032054 – Bosch number, written as 0 281 032 054
- EDC17C64-2.39 – Bosch EDC17 type designation
The base number 03L906021 comes with many different letters. Choose this module if your ECU ends in N – a different letter means a different version.
Possible fault symptoms
- the starter cranks but the engine will not fire,
- warning lights on the dashboard flicker when the ignition is switched on,
- the diagnostic tool reports no response from the engine computer,
- the vehicle goes into limp mode while driving.
Start by checking the power supply and the connector – corroded pins can easily mimic an ECU failure.
Available options
In the locked version the ECU still holds the immobiliser and data from the previous vehicle. This is the choice for workshops that carry out the unlocking, programming and adaptation themselves.
We prepare the unlocked version before dispatch (usually 1–2 working days). Which method is possible – PIN / CAR PASS, Virgin, IMMO OFF, auto programming or clone – depends on the part number, software and immobiliser, so please ask before you buy. Details: engine control unit options.
Questions and answers
| Will 03L906021N replace 03L906021A? |
|---|
| They are different versions. Do not treat them as interchangeable without comparing the software. |
| Will the vehicle start straight after fitting the ECU? |
| The locked version – no. With the unlocked version it depends on the preparation method agreed before purchase. |
| Which numbers should I send before ordering? |
| The VW number, the Bosch number and the type designation from the label – or simply a clear photo of it. |
| What condition is the module in? |
| Used, fully working, in good condition. You will find the warranty period in the product features table. |
Any questions? Email contact@auto24parts.com and include the numbers from your ECU's label.
