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 Audi A8 S8 0000551586 4E0907279K
Vendors's code: 0000551586
Product code: 0000551586
Barcode:
Code 39:
ISBN:
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Is Audi A8 S8 the right part for your car?
Used, working part: comfort control module for Audi A8 S8 - numbers 0000551586; 4E0 907 279 K / 4E0907279K. Compare the numbers with the label of the part currently in your car.
Comfort control module Audi A8 S8
The part in this listing handles body electronics in: Audi A8 S8. Choose it by the numbers on the list. It is used, working and in good condition.
What a fault looks like
- electric windows respond with a delay or not at all,
- the central locking or locking signal does not work,
- communication errors appear on the dashboard,
- interior lights or indicators work incorrectly.
Before buying, make sure the cause is not the power supply or wiring, and only then replace the module.
Function in the car
The module collects the driver's commands and distributes power to individual body circuits, so many small functions in the car depend on it.
Part markings
- 0000551586 - part number
- 4E0 907 279 K / 4E0907279K - VAG group number (OEM)
Matching by numbers
Compare number 0000551586 in full with the number on your part. Different versions were fitted to the same models, so the number decides, not the model alone.
Which car it is for
- Audi A8 S8 - model
- Temic - manufacturer
Questions before buying
| Can a part with a different number fit as well? |
|---|
| Sometimes it can, but we do not assume that listings are interchangeable. Compare all numbers with the label on your part or ask us. |
| Is the part new? |
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
Write to contact@auto24parts.com with the model, year and the number from your part - we will check the fitment.