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 C280 W202 2028200926[01] 05072021
Vendors's code: 2028200926[01]
Product code: 2028200926[01]
Barcode:
Code 39:
ISBN:
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Part number 2028200926[01] - is it the right choice?
Used, working part: comfort control module for Mercedes C280 W202 - numbers 2028200926[01]; 05072021. Before ordering, make sure the numbers match the label of your part.
Comfort control module Mercedes C280 W202
This module (comfort control module) is intended for: Mercedes C280 W202. This is a used, working part in good technical condition.
Which car it is for
- Mercedes C280 W202 - model
Numbers to compare
- 2028200926[01] - part number
- 05072021 - additional part number
Matching by numbers
Compare number 2028200926[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.
Function in the car
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.
What a fault looks like
- wipers or lights switch on by themselves,
- several unrelated functions stop working at the same time,
- the tester reports no communication with the module,
- the car does not respond to the remote.
Before buying a module, check fuses, earth points and connectors - corrosion and damaged wiring cause similar symptoms.
Frequently asked questions
| 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. |
| What condition is this part in? |
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
| What condition is this part in? |
| We sell it as a used, working part in good condition; the warranty length is given in the offer features. |
If you have questions about the application, write to contact@auto24parts.com and give the number from the label.