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 1.6 BSF Siemens Simos 7.1A 06A906033KB 5WP40716
Vendors's code: 5WP40716
Product code: 06A906033KB
Barcode:
Code 39:
ISBN:
€284.55
Price
€284.55
€350.00
Price
€350.00
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 Skoda Octavia 1.6 BSF Siemens Simos 7.1A 06A906033KB 5WP40716
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Shipping
from
€30.00
-
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
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.
How can I check whether the 06A906033KB ECU will fit the BSF engine?
Compare the label: VW number 06A906033KB and Siemens number 5WP40716. The Simos 7.1A unit comes from an Octavia 1.6 BSF with a petrol engine; it is used and fully working.
Engine Control Unit Skoda Octavia 1.6 BSF Siemens Simos 7.1A 06A906033KB 5WP40716
Engine code BSF denotes the 1.6 petrol engine in the Octavia, which was managed by this Siemens Simos 7.1A ECU. Simos is a family of Siemens/Continental petrol engine ECUs. The unit has VW/Skoda part number 06A906033KB and a short manufacturer's number, 5WP40716. It controls injection, ignition and the throttle body. It is used, fully working and in good condition.
Numbers to check
- 06A906033KB – VW/Skoda part number
- 5WP40716 – Siemens number (Siemens VDO / Continental numbering)
- Simos 7.1A – ECU type
- BSF – engine code
The suffix "KB" is the software or hardware version identifier. An ECU with the same engine code but a different letter may differ – what counts is the full number 06A906033KB.
When the ECU may be to blame
- the engine will not start, but the fuel pump and spark are fine,
- the revs fluctuate when stationary,
- diagnostics cannot see the engine module,
- the car goes into limp mode with no sensor fault codes.
Before replacing the unit, check the fuses, the power supply relay and the ECU connector.
How we prepare the ECU
Depending on your needs, we send the ECU locked – with the data and immobiliser of the Octavia it came from, for unlocking, programming and adaptation at your own garage – or unlocked, prepared by us before dispatch, usually within 1–2 working days.
The availability of PIN / CAR PASS, Virgin, IMMO OFF, auto-programming or clone depends on the part number, software and immobiliser – not every method will work with every unit. Please ask before you buy. Description: engine control unit variants.
Questions and answers
| Is the BSF engine code enough to find the right part? |
|---|
| No. The most important thing is the number 06A906033KB on the label of your current ECU. |
| Will the locked version work straight away? |
| No, it needs to be unlocked, programmed and matched to the immobiliser. |
| What condition is the unit in? |
| Used, fully working, in good condition. You will find the warranty period in the product specifications table. |
Any questions? Email contact@auto24parts.com and attach a photo of the label.
