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 Volkswagen 5DK00858318 1K0959433AK
Vendors's code: 5DK00858318
Product code: 5DK00858318
Barcode:
Code 39:
ISBN:
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Part number 5DK00858318 - is it the right choice?
Used, working part: comfort control module for Volkswagen - numbers 5DK008583-18 / 5DK00858318; 1K0 959 433 AK / 1K0959433AK. Compare the numbers with the label of the part currently in your car.
Comfort control module Volkswagen
For Volkswagen we offer a used comfort control module that you can match by the numbers on the list. It is working and in good condition.
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.
Before buying a module, check fuses, earth points and connectors - corrosion and damaged wiring cause similar symptoms.
Application according to the listing
- Volkswagen - model
- Hella - manufacturer
Numbers on the label
- 5DK008583-18 / 5DK00858318 - manufacturer number (Hella)
- 1K0 959 433 AK / 1K0959433AK - VAG group number (OEM)
Matching by numbers
For this model we offer several parts that differ in their numbers. The number on the label decides, not the model name alone.
How this part works
Which functions the module handles depends on the software and equipment of the car; the same physical module may work differently in another car.
In VAG group cars the same model came with different module versions, so it is worth comparing the manufacturer number too.
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. |
| What does "used, working" mean? |
| The part is used but working. The warranty is stated in the product features. |
Any doubts? Send a photo of your part to contact@auto24parts.com - we will check it for you.