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 2115454501 5DK00804755
Vendors's code: 2115454501
Product code: 2115454501
Barcode:
Code 39:
ISBN:
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Part number 2115454501 - is it the right choice?
Used, working part: SAM comfort module for Mercedes - numbers 211 545 45 01 / 2115454501; 5DK 008 047-55 / 5DK00804755. Compare the numbers with the label of the part currently in your car.
SAM comfort module Mercedes
The SAM comfort module controls selected body consumers. The unit offered applies to: Mercedes; it is used, working and in good condition.
Matching by numbers
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model alone.
Part markings
- 211 545 45 01 / 2115454501 - Mercedes-Benz number (OEM)
- 5DK 008 047-55 / 5DK00804755 - manufacturer number (Hella)
What this part does
The module is not universal - the same name covers different versions depending on equipment, year and the market where the car was sold. In Mercedes the SAM (Signalerfassungs- und Ansteuermodul) collects signals from switches and controls body consumers, so its version depends on the model and equipment.
Typical failure symptoms
- the system returns to normal after the battery is disconnected,
- electrical faults appear after rain or a car wash,
- warning lights on the dashboard come on for no reason,
- some functions work only intermittently.
Before buying, make sure the cause is not the power supply or wiring, and only then replace the module.
Vehicle and manufacturer
- Mercedes - model
- Hella - manufacturer
Buyers' questions
| 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. |
| 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. |
| Is the part new? |
| This is a used, working part in good condition. You will find the warranty period in the product features table. |
Not sure? Write to contact@auto24parts.com and we will help you choose the right part for your car.