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 5DK00906420 3C0959433R
Vendors's code: 5DK00906420
Product code: 5DK00906420
Barcode:
Code 39:
ISBN:
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Part number 5DK00906420 - is it the right choice?
Used, working part: comfort control module for Volkswagen - numbers 5DK009064-20 / 5DK00906420; 3C0 959 433 R / 3C0959433R. Before ordering, make sure the numbers match the label of your part.
Comfort control module Volkswagen
The comfort control module controls selected body consumers. The unit offered applies to: Volkswagen (2006); it is used, working and in good condition.
Which car it is for
- Volkswagen - model
- 2006 - year
- Hella - manufacturer
Fitment
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model and year alone.
Part markings
- 5DK009064-20 / 5DK00906420 - manufacturer number (Hella)
- 3C0 959 433 R / 3C0959433R - VAG group number (OEM)
Typical failure symptoms
- random errors appear in the diagnostic memory,
- the car does not enter full sleep mode,
- a selected body function does not work although the switch is fine,
- the module gets hot or smells burnt.
Inspect the module connectors: green or burnt pins cause symptoms similar to faulty electronics.
Role of the part in the car
It is an electronic node of the body wiring: it receives signals from switches and sensors and then activates consumers such as lights, locks or ventilation.
In VAG group cars the same model came with different module versions, so it is worth comparing the manufacturer number too.
Buyers' questions
| What does "used, working" mean? |
|---|
| The part is used but working. The warranty is stated in the product features. |
| What if I cannot see my number in the description? |
| Write to us and give the number from your part. We will check whether we have it in stock, also in another listing. |
Write to contact@auto24parts.com with the model, year and the number from your part - we will check the fitment.