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 Skoda Roomster Octavia 5DK00812720 5J0959433
Vendors's code: 5DK00812720
Product code: 5DK00812720
Barcode:
Code 39:
ISBN:
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Part number 5DK00812720 - is it the right choice?
Used, working part: comfort control module for Skoda Roomster Octavia - numbers 5DK 008 127-20 / 5DK00812720; 5J0 959 433 / 5J0959433. Before ordering, check the numbers on the label of the part removed from your car.
Comfort control module Skoda Roomster Octavia
If several body functions in your Skoda Roomster Octavia have stopped working at once, the module may be the cause. We sell a used, working unit in good condition.
Function in the car
A module failure is often mistaken for faulty individual consumers: when several unrelated functions stop working at once, it is worth checking the module as well.
In VAG group cars the same model came with different module versions, so it is worth comparing the manufacturer number too.
Which car it is for
- Skoda Roomster Octavia - model
- Hella - manufacturer
Symptoms of a fault
- the tester reports no communication with the module,
- several unrelated functions stop working at the same time,
- the car does not respond to the remote,
- wipers or lights switch on by themselves.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
How to choose the part
Compare number 5DK 008 127-20 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 to compare
- 5DK 008 127-20 / 5DK00812720 - manufacturer number (Hella)
- 5J0 959 433 / 5J0959433 - VAG group number (OEM)
Buyers' questions
| What does "used, working" mean? |
|---|
| The part is used but working. The warranty is stated in the product features. |
| What condition is this part in? |
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
| 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. |
Send fitment questions to contact@auto24parts.com - give the model, year and the number from the label.