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 AKL 06A906019AS 5WP437204
Vendors's code: 5WP437204
Product code: 06A906019AS
Barcode:
Code 39:
ISBN:
€81.30
Price
€81.30
€100.00
Price
€100.00
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 Golf 1.6 AKL 06A906019AS 5WP437204
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Shipping
from
€30.00
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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.
Does the 06A906019AS ECU fit a Golf 1.6 AKL?
It fits if your unit has VW number 06A906019AS and manufacturer number 5WP437204 (shown on the label as 5WP4372 04). This is a used, working ECU for the 1.6 AKL petrol engine – available locked or unlocked.
Engine Control Unit Volkswagen Golf 1.6 AKL 06A906019AS 5WP437204
The AKL engine code denotes the 1.6 petrol unit in the Volkswagen Golf, and this ECU comes from just such a car. It carries VW number 06A906019AS and manufacturer number 5WP437204, printed on the label with a space. The unit controls fuel injection and ignition; it is used, working and in good condition.
Markings on the label
- 06A906019AS – VW part number
- 5WP437204 – ECU manufacturer number, shown on the label as 5WP4372 04
- AKL – 1.6 engine code
The AS suffix in the VW number identifies the software and hardware version. Check it together with the manufacturer number – 06A906019 ECUs with other letters are different versions.
Typical failure symptoms
- the 1.6 engine will not start, even though ignition and fuel supply are working,
- the tester cannot connect to the unit,
- the engine hesitates or stalls with no sensor fault,
- signs of moisture on the casing or connector.
First clean and check the connector pins and measure the supply voltage.
Prepared before dispatch or locked ECU
If you order the unlocked version, we will prepare the ECU before dispatch – this usually takes 1–2 working days. The locked version keeps the data and immobiliser of the previous Golf; it is the option for workshops that will unlock, program and match the unit themselves.
Not every preparation method is available for 06A906019AS: PIN / CAR PASS, Virgin, IMMO OFF, auto programming or a clone depend on the part number, software and immobiliser. Please ask before you buy. Description of the options: ECU preparation options.
Questions and answers
| Are 5WP4372 04 and 5WP437204 the same number? |
|---|
| Yes, only the format differs – on the label the number is split by a space. |
| Does this ECU fit a Golf 1.6 with an engine code other than AKL? |
| We list it for the AKL engine. In any other case, compare the numbers and get in touch with us. |
| What condition is the 06A906019AS ECU in? |
| Used, working, in good condition. You will find the warranty period in the product specification table. |
Send the numbers from your unit to contact@auto24parts.com – we will help you find the right one.
