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.
Comfort control module Mercedes Benz A90654552101
Vendors's code: A90654552101
Product code: A90654552101
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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Part number A90654552101 - is it the right choice?
Used, working part: comfort control module for Mercedes Benz - numbers A90654552101. Before ordering, make sure the numbers match the label of your part.
Comfort control module Mercedes Benz
For Mercedes Benz we offer a used comfort control module that you can match by the numbers on the list. It is working and in good condition.
Function in the car
The comfort control module controls body functions such as interior lighting, central locking, windows or wipers; the exact scope depends on the make and version of the car.
Compatibility with your car
For this model we offer several parts that differ in their numbers. The number on the label decides, not the model name alone.
Typical failure symptoms
- random errors appear in the diagnostic memory,
- a selected body function does not work although the switch is fine,
- the module gets hot or smells burnt,
- the car does not enter full sleep mode.
Before buying, make sure the cause is not the power supply or wiring, and only then replace the module.
Vehicle and manufacturer
- Mercedes Benz - model
Numbers to compare
- A90654552101 - part number
Questions before buying
| Why does the number have several spellings? |
|---|
| The same label number is written with spaces, dashes or as one string. We give both forms so that it is easier to find. |
| Is the part new? |
| We sell it as a used, working part in good condition; the warranty length is given in the offer features. |
| Can I use a part from a different equipment version? |
| We do not assume so. Versions differ in functions and software, so compare the numbers and the equipment of your car. |
Not sure? Write to contact@auto24parts.com and we will help you choose the right part for your car.