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 Lupo, Volkswagen Polo 1.4 Magneti Marelli IAW 4AV.V7 036906014CE 6160039705
Vendors's code: 6160039705
Product code: IAW4AVV7
Barcode:
Code 39:
ISBN:
€101.63
Price
€101.63
€125.00
Price
€125.00
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 Lupo, Volkswagen Polo 1.4 Magneti Marelli IAW 4AV.V7 036906014CE 6160039705
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Shipping
from
€30.00
-
shipping
(Poland)
from
€30.00
-
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.
What does the number 036906014CE on a Lupo or Polo 1.4 ECU mean?
It is the VW part number of the Magneti Marelli IAW 4AV.V7 engine control unit (also 61600.397.05 on the label). This used, working unit comes from a Volkswagen Lupo or Volkswagen Polo with a 1.4 petrol engine.
Engine Control Unit Volkswagen Lupo, Volkswagen Polo 1.4 Magneti Marelli IAW 4AV.V7 036906014CE 6160039705
The same ECU was fitted to two models: the Volkswagen Lupo and Volkswagen Polo with a 1.4 petrol engine. Magneti Marelli designated it IAW 4AV.V7 and gave it the number 61600.397.05, while Volkswagen gave it 036906014CE. The unit reads the sensor signals and uses them to control fuel injection and ignition.
How to identify this ECU
- 036906014CE – VW part number
- 6160039705 – Magneti Marelli number, on the label 61600.397.05
- IAW 4AV.V7 – ECU type
The letters CE at the end of the VW number define the version. The Lupo and Polo 1.4 also have 036906014 units with a different ending – they are not automatically interchangeable.
Symptoms that may point to the ECU
- the engine will not start or is very hard to start,
- no spark on any cylinder,
- surging revs and jerking with no mechanical faults,
- the unit does not respond in the diagnostic tester.
Before replacing it, check the earth leads, power supply and the condition of the plug.
Available ECU versions
In the unlocked version, we prepare the 036906014CE unit before dispatch, usually within 1–2 working days. In the locked version, you receive it with the data and immobiliser of the previous car – this is the solution for workshops that will take care of the unlocking, programming and matching themselves.
PIN / CAR PASS code, Virgin, IMMO OFF, auto programming or clone – which method will work depends on the part number, software and immobiliser. Please ask before you buy. Description of the options: ECU preparation options.
Questions and answers
| Does this ECU fit a Polo 1.4? |
|---|
| According to our data, yes – it was used in the Lupo and Polo 1.4. Check that the number matches the label. |
| What does IAW 4AV.V7 mean? |
| It is the ECU type assigned by the manufacturer, Magneti Marelli. |
| What condition is the ECU in? |
| It is a used, working part in good condition. You will find the warranty period in the product specification table. |
Questions about compatibility? Email us at contact@auto24parts.com.
