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 2.5 TDI Bosch 03L906012C 0281017660
Vendors's code: 0281017660
Product code: 0281017660
Barcode:
Code 39:
ISBN:
€447.15
Price
€447.15
€550.00
Price
€550.00
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 2.5 TDI Bosch 03L906012C 0281017660
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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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What does the number 03L906012C on the Crafter ECU mean?
It is the VW part number of an engine control unit, in which the final letter C indicates the version. The Bosch 0281017660 module for the Crafter 2.5 TDI is used, working and available locked or unlocked.
Engine Control Unit Volkswagen Crafter 2.5 TDI Bosch 03L906012C 0281017660
The Crafter 2.5 TDI is a Volkswagen van in which the engine control unit works under heavy load. The Bosch module with number 03L906012C controls injection in the diesel engine and monitors the sensor readings. Its failure usually means the vehicle is off the road, so it is worth confirming the replacement number quickly.
How to identify this ECU
- 03L906012C – Volkswagen designation, the easiest way to find a replacement
- Crafter 2.5 TDI – vehicle and engine we offer the module for
- 0 281 017 660 – Bosch number as written on the sticker; in catalogues without spaces: 0281017660
Here the VW number has only one letter at the end – C. 03L906012 modules with a different letter are different software or hardware versions, so do not treat them as replacements without checking.
How does an ECU fault show itself?
- the engine cutting out or jerking while driving even though the ancillaries are working,
- faults returning straight after being cleared, even though the wiring is sound,
- internal ECU faults stored in the fault memory,
- software cannot be read or written via the diagnostic port.
Before removal, check the power supply and earths, and read the fault memory of the other control units.
Choosing the ECU version
If you choose the unlocked option, we will prepare the ECU before sending the parcel; this most often takes 1–2 working days. A locked ECU is a unit in its as-removed state – with the data and immobiliser of the previous vehicle. Unlocking and adapting it to your vehicle is then up to the workshop.
The available methods (PIN / CAR PASS, Virgin, IMMO OFF, auto programming, data cloning) depend on the part number, software version and immobiliser system. Before ordering, tell us which method you are interested in – we will confirm whether it is possible for 03L906012C.
You will find a comparison of the locked and unlocked versions on the ECU preparation options page.
Questions and answers
| Is the ECU tested and covered by a warranty? |
|---|
| Yes, it is a working used module in good condition. You will find the warranty period in the product features table. |
| Is it enough that I have a Volkswagen Crafter 2.5 TDI? |
| Not always. Different ECU versions may have been fitted to the same vehicle, so compare the number 03L906012C. |
| Who can program the locked version? |
| A workshop or auto electronics specialist with equipment for programming ECUs and adapting immobilisers. If you do not have access to this, choose the unlocked version. |
| Are 0281017660 and 03L906012C the same ECU? |
| Yes, they are two numbers of one module: 03L906012C was assigned by Volkswagen, and 0281017660 by Bosch. |
If in doubt, email contact@auto24parts.com; give the VW number and the manufacturer's number from your module.
