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 Golf 1.6 Magneti Marelli IAW 4MV.DR 036906034DR 6160066609
Vendors's code: 6160066609
Product code: C261-86767
Barcode:
Code 39:
ISBN:
325,20 zł
Price
325,20 zł
400,00 zł
Price
400,00 zł
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 Golf 1.6 Magneti Marelli IAW 4MV.DR 036906034DR 6160066609
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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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What do the numbers 036906034DR and 61600.666.09 on the ECU mean?
The first is the VW part number, the second is the Magneti Marelli number (6160066609). This used, working IAW 4MV.DR ECU from a Golf 1.6 with a petrol engine also carries a second Marelli number: 6160066608.
Engine Control Unit Volkswagen Golf 1.6 Magneti Marelli IAW 4MV.DR 036906034DR 6160066609
On this ECU you will find two Magneti Marelli numbers: 6160066609 (on the label 61600.666.09) and 6160066608. The Volkswagen part number is 036906034DR and the family is IAW 4MV.DR. The unit comes from a Golf with a 1.6 petrol engine and is responsible for fuel injection, ignition and idle control.
Numbers on the label
- 036906034DR – VW part number
- 6160066609 – Magneti Marelli number, printed on the label as 61600.666.09
- 6160066608 – second Magneti Marelli number
- IAW 4MV.DR – ECU type
Above all, compare the VW number with the DR suffix – the letters at the end indicate the hardware and software version, and 036906034 ECUs come in many variants.
When to suspect the ECU
- the engine will not start, yet the power supply and fuel are fine,
- stalling when braking or when stationary,
- no activation of the injectors or coil,
- the tester cannot connect to the engine module.
Before replacing it, check the earths on the engine block and the condition of the ECU connector.
Locked, unlocked – the differences
Locked: the data and immobiliser of the previous Golf remain in memory. This is the choice for workshops that will unlock, program and match the unit themselves. Unlocked: we will prepare it before dispatch, usually within 1–2 working days.
The possible preparation methods (PIN / CAR PASS, Virgin, IMMO OFF, auto programming, clone) depend on the part number, software and immobiliser. Before you buy, ask what is available for 036906034DR. Full description: ECU preparation options page.
Questions and answers
| My ECU only has the number 61600.666.08 – will this one fit? |
|---|
| Both Marelli numbers appear on this unit, but what decides is a match of VW number 036906034DR. Send us a photo of the label and we will check. |
| How long is the wait for the unlocked version? |
| Usually 1–2 working days of preparation before dispatch. |
| Has the ECU been checked? |
| It is a used, working part in good condition. You will find the warranty period in the product specification table. |
If you have any questions, email us at contact@auto24parts.com.
