The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
Engine Control Unit Skoda Octavia 1.6 Siemens VDO Simos 7.1A 06A906033HA 5WP4036604
Vendors's code: 5WP4036604
Product code: 5WP4036604
Barcode:
Code 39:
ISBN:
€203.25
Price
€203.25
€250.00
Price
€250.00
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 Siemens VDO Simos 7.1A 06A906033HA 5WP4036604
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€30.00
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(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 5WP4036604 on the 06A906033HA ECU mean?
It is the manufacturer's number – Siemens VDO – shown on the label as 5WP40366 04. Together with VW number 06A906033HA, it identifies this used, fully working Simos 7.1A ECU from a 2008 Octavia 1.6.
Engine Control Unit Skoda Octavia 1.6 Siemens VDO Simos 7.1A 06A906033HA 5WP4036604
Siemens VDO is the manufacturer of this Simos 7.1A ECU, which comes from a 2008 petrol Octavia 1.6. The number 5WP4036604 follows the Siemens VDO / Continental numbering system, and the VW/Skoda part number is 06A906033HA. The unit manages injection, ignition and idle. Condition: used, fully working, good.
ECU markings
- 06A906033HA – VW/Skoda part number, version "HA"
- 5WP4036604 – Siemens VDO number, shown on the sticker as 5WP40366 04
- Simos 7.1A – ECU family and type
The letters "HA" denote the software or hardware version. There are many versions within the Simos 7.1A family, so the number on your unit should match character for character.
Symptoms of a faulty ECU
- intermittent engine running and dips in revs,
- no start with no fault in the fuel pump or ignition,
- no response from the unit on the tester,
- problems that appear after a voltage surge in the electrical system.
First measure the battery voltage during cranking and check the earth connections.
Locked or unlocked: the differences in brief
Unlocked unit – we prepare it before dispatch (usually 1–2 working days). Locked – it contains the data and immobiliser of the previous car, and the garage unlocks, programs and adapts it itself.
For this ECU, the availability of PIN / CAR PASS, Virgin, IMMO OFF, auto-programming and clone depends on the part number, software and immobiliser. So please ask what is possible before you buy. Full description: engine control unit variants.
Questions and answers
| Siemens VDO vs Siemens – is there a difference? |
|---|
| 5WP numbering is the Siemens VDO / Continental designation. When matching, what counts is the number, not the name on the casing. |
| Does the 06A906033HA ECU fit every Octavia 1.6? |
| No. Compare the number on your unit's label. |
| What condition is the ECU in? |
| Used, fully working, in good condition. You will find the warranty period in the product specifications table. |
| What should I send to order the unlocked version? |
| A photo of the label on your current unit, or the numbers copied from it. |
Any questions: contact@auto24parts.com.
