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.
SAM comfort module Mercedes Benz 2115454101
Vendors's code: 2115454101
Product code: 2115454101
Barcode:
Code 39:
ISBN:
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Does number 2115454101 fit your car?
Used, working part: SAM comfort module for Mercedes Benz - numbers 2115454101. Before buying, compare the numbers with the label on the part in your car.
SAM comfort module Mercedes Benz
Looking for a replacement for a faulty module for Mercedes Benz? We offer a used, working SAM comfort module in good condition.
Numbers to compare
- 2115454101 - Mercedes-Benz number (OEM)
Application according to the listing
- Mercedes Benz - model
What this part does
In many models the module communicates with other control units over the bus, so after replacement it may need coding or matching to the car. In Mercedes cars the SAM (Signalerfassungs- und Ansteuermodul) collects signals from switches and controls body consumers, so its version depends on the model and equipment.
Fitment
For this model we offer several parts that differ in their numbers. The number on the label decides, not the model name alone.
Symptoms of a fault
- the battery drains overnight for no obvious reason,
- the interior lighting does not switch off,
- door signalling works incorrectly,
- nothing happens when settings are changed.
Remember that the module may need coding or adaptation after replacement - check this for your model.
Questions and answers
| Is the part new? |
|---|
| This is a used, working part in good condition. You will find the warranty period in the product features table. |
| 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. |
| Which number matters most when matching? |
| It is best to compare all numbers on the label, above all the one marked as the manufacturer or OEM number. |
Any doubts? Send a photo of your part to contact@auto24parts.com - we will check it for you.