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 4E0907279C 00007898B1
Vendors's code: 4E0907279C
Product code: 4E0907279C
Barcode:
Code 39:
ISBN:
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Comfort control module Audi A8 4E0907279C 00007898B1
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€30.00
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(Poland)
Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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Part number 4E0907279C - is it the right choice?
Used, working part: comfort control module for Audi A8 - numbers 4E0 907 279 C / 4E0907279C; 00007898B1. Before ordering, check the numbers on the label of the part removed from your car.
Comfort control module Audi A8
The comfort control module controls selected body consumers. The unit offered applies to: Audi A8; it is used, working and in good condition.
Role of the part 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 module is sometimes described as the onboard power supply control unit (Bordnetzsteuergerät); its version depends on the equipment.
Numbers to compare
- 4E0 907 279 C / 4E0907279C - VAG group number (OEM)
- 00007898B1 - additional part number
Vehicle and manufacturer
- Audi A8 - model
- Temic - manufacturer
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.
Symptoms of a fault
- the interior lighting does not switch off,
- the battery drains overnight for no obvious reason,
- door signalling works incorrectly,
- nothing happens when settings are changed.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
Questions and answers
| 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. |
| What does "used, working" mean? |
| We sell it as a used, working part in good condition; the warranty length is given in the offer features. |
| How can I check whether this part fits my car? |
| Compare the model, year and the numbers of the part fitted in your car with the numbers in the description. You can also send us a photo. |
If you have questions about the application, write to contact@auto24parts.com and give the number from the label.
