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 W639 Vito Viano A6395450201
Vendors's code: A6395450201
Product code: A6395450201
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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Does this comfort control module fit Mercedes W639 Vito Viano?
Used, working part: comfort control module for Mercedes W639 Vito Viano - numbers A 639 545 02 01 / A6395450201. Before ordering, check the numbers on the label of the part removed from your car.
Comfort control module Mercedes W639 Vito Viano
For Mercedes W639 Vito Viano we offer a used comfort control module that you can match by the numbers on the list. It is working and in good condition.
How to choose the part
Compare number A 639 545 02 01 in full with the number on your part. Different versions were fitted to the same models, so the number decides, not the model alone.
Numbers on the label
- A 639 545 02 01 / A6395450201 - Mercedes-Benz number (OEM)
Vehicle and manufacturer
- Mercedes W639 Vito Viano - model
- Temic - manufacturer
Role of the part in the car
It is an electronic node of the body wiring: it receives signals from switches and sensors and then activates consumers such as lights, locks or ventilation.
Symptoms of a fault
- wipers or lights switch on by themselves,
- the car does not respond to the remote,
- the tester reports no communication with the module,
- several unrelated functions stop working at the same time.
Before buying, make sure the cause is not the power supply or wiring, and only then replace the module.
Buyers' questions
| 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. |
| 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. |
Not sure? Write to contact@auto24parts.com and we will help you choose the right part for your car.