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 Audi 8P0907279C
Vendors's code: 8P0907279C
Product code: 8P0907279C
Barcode:
Code 39:
ISBN:
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Part number 8P0907279C - is it the right choice?
Used, working part: comfort control module for Volkswagen Audi - numbers 8P0 907 279 C / 8P0907279C. Compare the numbers with the label of the part currently in your car.
Comfort control module Volkswagen Audi
In Volkswagen Audi the comfort control module collects signals from switches and distributes them to consumers. We sell a used, working unit in good condition.
What a fault looks like
- the car does not enter full sleep mode,
- a selected body function does not work although the switch is fine,
- random errors appear in the diagnostic memory,
- the module gets hot or smells burnt.
Remember that the module may need coding or adaptation after replacement - check this for your model.
Vehicle and manufacturer
- Volkswagen Audi - model
Part markings
- 8P0 907 279 C / 8P0907279C - VAG group number (OEM)
Function 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 module is sometimes described as the onboard power supply control unit (Bordnetzsteuergerät); its version depends on the equipment.
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.
Frequently asked questions
| What condition is this part in? |
|---|
| The part is used but working. The warranty is stated in the product 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. |
Send a photo of your part or its number to contact@auto24parts.com and we will confirm whether this listing fits.