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 2.0 TFSI Bosch MED9.1 1Z0907115A 0261S02339 8P0907115B
Vendors's code: 0261S02339
Product code: 0261S02339
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 2.0 TFSI Bosch MED9.1 1Z0907115A 0261S02339 8P0907115B
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What does the number 8P0907115B on the 1Z0907115A ECU mean?
It is a second VW number on the same Bosch MED9.1 unit. This used, fully working ECU comes from a 2006 Octavia 2.0 TFSI; when matching, compare both VW numbers and Bosch number 0 261 S02 339.
Engine Control Unit Skoda Octavia 2.0 TFSI Bosch MED9.1 1Z0907115A 0261S02339 8P0907115B
The 2006 Octavia 2.0 TFSI has a turbocharged petrol engine with direct injection, and this Bosch MED9.1 ECU is responsible for running it. In addition to the main VW number 1Z0907115A, the casing shows a second number, 8P0907115B, and Bosch number 0261S02339. The unit regulates injection, ignition and boost. It is used, fully working and in good condition.
Numbers on the casing
- 1Z0907115A – main VW/Skoda number, version "A"
- 8P0907115B – second VW number
- 0261S02339 – Bosch number, as shown on the label: 0 261 S02 339
The letter after the VW number is the software or hardware version. Unit 1Z0907115A is not the same as 1Z0907115 without a letter – always compare the numbers in full.
When the unit may be causing problems
- the engine lacks power and the turbo produces no boost,
- the car only starts sometimes, or not at all,
- diagnostics cannot see the engine control unit,
- several unrelated sensor fault codes at once.
First rule out a wiring fault and a weak power supply – only then replace the ECU.
Versions: locked and unlocked
We will send this ECU in one of two versions. The locked version is for programming in your own garage – it holds the data and immobiliser of the previous car, and unlocking and adaptation are up to the mechanic. We prepare the unlocked version before dispatch, usually within 1–2 working days.
Please note: PIN / CAR PASS, Virgin, IMMO OFF, auto-programming and clone are not available for every unit – it depends on the part number, software and immobiliser. Ask before you buy. Details on the engine control unit variants page.
Questions and answers
| Are 8P0907115B and 1Z0907115A the same ECU? |
|---|
| Yes, both numbers are on a single unit. |
| Will the unlocked version start the car after fitting? |
| That depends on the agreed preparation method – we settle it before purchase. |
| What condition is the 1Z0907115A ECU in? |
| Used, fully working, in good condition. You will find the warranty period in the product specifications table. |
Questions? contact@auto24parts.com – give us the numbers from the label and we will check compatibility.
