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 1.9 TDI Bosch 038906018BC 0281001755
Vendors's code: 0281001755
Product code: 038906018BC
Barcode:
Code 39:
ISBN:
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 1.9 TDI Bosch 038906018BC 0281001755
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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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How can I check whether the 038906018BC ECU will fit my Octavia?
Compare the VW number 038906018BC, the Bosch number 0 281 001 755 and the software number 28SA3489 with the label on your ECU. The unit comes from an Octavia 1.9 TDI and is used and fully working.
Engine Control Unit Skoda Octavia 1.9 TDI Bosch 038906018BC 0281001755
The label on this ECU shows three markings: VW 038906018BC, Bosch 0281001755 and the Bosch software number 28SA3489. The unit comes from a Skoda Octavia with the 1.9 TDI engine and manages fuel injection on this diesel.
Part numbers and what they mean
- 038906018BC – VW/Skoda number
- 0281001755 – Bosch number, shown on the label as 0 281 001 755
- 28SA3489 – Bosch software number
The BC suffix identifies the version of the 038906018 ECU. The software number 28SA3489 additionally confirms which software is stored in the unit.
Engine control unit fault symptoms
- the engine will not fire even though the starter turns and fuel is getting through,
- no communication with the diagnostic tool,
- limp mode and a noticeable loss of power that is not caused by the sensors,
- internal ECU faults stored in the fault memory.
First rule out a weak battery, chafed wires and loose plugs; only then suspect the unit itself.
Preparation for fitting
You do not have to have a used ECU unlocked by us. The locked version, which retains the data and immobiliser of the car it came from, is usually bought by workshops – they unlock, program and match it themselves. The unlocked version is prepared before dispatch; this normally takes 1–2 working days.
What is possible varies: PIN / CAR PASS, Virgin, IMMO OFF, auto programming or cloning are available depending on the part number, software version and type of immobiliser. Get in touch before ordering and we will check this for 038906018BC. Described on the ECU preparation options page.
Questions and answers
| What is 28SA3489? |
|---|
| It is the Bosch software number, which identifies the software version in the 038906018BC ECU. |
| Will the 038906018BC replace the BQ or BR version? |
| Do not assume so – the letters denote different versions. Choose the same number or check with us. |
| Is the ECU new? |
| No – it is a used, fully working unit in good condition. You will find the warranty period in the product specification table. |
Questions about compatibility? Email contact@auto24parts.com with a photo of your ECU label – we will check the numbers.
