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.
CAS comfort module BMW 61356943854 5WK47905
Vendors's code: 61356943854
Product code: 61356943854
Barcode:
Code 39:
ISBN:
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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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How to choose the CAS comfort module for BMW?
This listing is for a used, working part for BMW: CAS comfort module, numbers 61356943854; 5WK47905. Before buying, compare the numbers with the label on the part in your car.
CAS comfort module BMW
The part in this listing handles body electronics in: BMW. Choose it by the numbers on the list. It is used, working and in good condition.
Vehicle and manufacturer
- BMW - model
- Siemens - manufacturer
Function in the car
The module collects the driver's commands and distributes power to individual body circuits, so many small functions in the car depend on it.
CAS (Car Access System) in BMW combines car access with engine starting, so after replacement the keys usually have to be programmed.
When to replace the part
- electric windows respond with a delay or not at all,
- interior lights or indicators work incorrectly,
- the central locking or locking signal does not work,
- communication errors appear on the dashboard.
Before buying a module, check fuses, earth points and connectors - corrosion and damaged wiring cause similar symptoms.
Part markings
- 61356943854 - part number
- 5WK47905 - manufacturer number (Siemens)
Fitment
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model alone.
Frequently asked questions
| How can I check whether this part fits my car? |
|---|
| Compare the model, year and the numbers of the part fitted in your car with the numbers in the description. You can also send us a photo. |
| What does "used, working" mean? |
| We sell it as a used, working part in good condition; the warranty length is given in the offer features. |
| What does "used, working" mean? |
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
Send fitment questions to contact@auto24parts.com - give the model, year and the number from the label.