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 8E0959433AS
Vendors's code: 8E0959433AS
Product code: 8E0959433AS
Barcode:
Code 39:
ISBN:
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Part number 8E0959433AS - is it the right choice?
This listing is for a used, working part for Audi: comfort control module, numbers 8E0959433AS. Before buying, compare the numbers with the label on the part in your car.
Comfort control module Audi
For Audi we offer a used comfort control module that you can match by the numbers on the list. It is working and in good condition.
Typical failure symptoms
- 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,
- random errors appear in the diagnostic memory.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
Numbers to compare
- 8E0959433AS - VAG group number (OEM)
How to choose the part
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model alone.
How this part works
The module is not universal - the same name covers different versions depending on equipment, year and the market where the car was sold.
In VAG group cars the module is sometimes described as the onboard power supply control unit (Bordnetzsteuergerät); its version depends on the equipment.
Application according to the listing
- Audi - model
Questions before buying
| What does "used, working" mean? |
|---|
| 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. |
| Do you also sell connectors or wiring? |
| This listing covers only the part described in the title. You will find other items in the remaining shop categories, or ask us about availability. |
Send a photo of your part or its number to contact@auto24parts.com and we will confirm whether this listing fits.