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 Porsche Cayenne 956 4.8 Turbo S 4.8 TURBO 5WP4650306 022906032ME
Vendors's code: 5WP4650306
Product code: 43B0-5740D
Barcode:
Code 39:
ISBN:
€569.11
Price
€569.11
€700.00
Price
€700.00
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 Porsche Cayenne 956 4.8 Turbo S 4.8 TURBO 5WP4650306 022906032ME
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(Poland)
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€30.00
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(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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Is this Porsche Cayenne 956 4.8 Turbo S control unit the right one for your engine?
This is a used engine control unit in working order for the Porsche Cayenne 956 4.8 Turbo S - numbers 5WP46503 06 / 5WP4650306; 022906032ME. Before buying, compare the numbers with the label on the module in your car.
Engine control unit for Porsche Cayenne 956 4.8 Turbo S
According to the listing data, this electronic module fits: Porsche Cayenne 956 4.8 Turbo S 4.8 TURBO. This is a used part in working order and in good condition - match it using the numbers in the list.
Numbers to compare
- 5WP46503 06 / 5WP4650306 - Siemens number (manufacturer)
- 022906032ME - vehicle part number
- 6576635305 - another part number
According to the listing data: Porsche Cayenne 956 4.8 Turbo S (model), 4.8 TURBO (engine), Siemens (manufacturer).
How an engine control unit works
The control unit communicates with the car's other modules over the CAN bus, including the ABS, the gearbox and the instrument cluster. That is why the software version and the hardware number matter when matching. Damage can result from water ingress, a voltage surge or wear of the electronic components, and it can show up intermittently.
Locked or unlocked variant?
We prepare an unlocked control unit before dispatch (approx. 1-2 working days), so you do not have to do it yourself. A locked control unit is sold with the previous vehicle's data - this is an option for workshops that can unlock and program it. Not all unlocking methods - PIN / CAR PASS, Virgin, IMMO OFF, auto-programming or cloning - are available for every number, as a lot depends on the software and the immobiliser. If in doubt, ask us before ordering. Read about the variants: locked and unlocked explained.
How to match this part
Compare number 5WP46503 06 in full with the number on your control unit. Different versions were fitted to the same models, so it is the number that decides the match, not the model alone. The same engine type was sometimes controlled by different module versions, so the number decides the match first, and only then the model and year.
Symptoms of a faulty control unit
- the engine only runs intermittently,
- the control unit gets hot or resets,
- injector faults appear,
- the diagnostic tool cannot detect the module.
Check whether the car has been flooded and whether there are any signs of moisture around the module in the engine bay.
Questions and answers
| What condition is this part in? |
|---|
| This is a used part in working order and in good condition. Warranty details are given in the features of this listing. |
| Does the control unit need coding after replacement? |
| That depends on the make, model and version. The module usually has to be matched to the car, especially when it works with the immobiliser. |
| How long does it take to prepare an unlocked control unit? |
| Usually about 1-2 working days before dispatch. We will confirm the timing once you have placed your order. |
Send a photo of your control unit or its number to contact@auto24parts.com and we will confirm whether this part will fit.
