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 A4 B6 B7 8E0959433AJ 00007251B9
Vendors's code: 8E0959433AJ
Product code: 8E0959433AJ
Barcode:
Code 39:
ISBN:
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Part number 8E0959433AJ - is it the right choice?
Used, working part: comfort control module for Audi A4 B6 B7 - numbers 8E0959433AJ; 00007251B9. Compare the numbers with the label of the part currently in your car.
Comfort control module Audi A4 B6 B7
If several body functions in your Audi A4 B6 B7 have stopped working at once, the module may be the cause. We sell a used, working unit in good condition.
What a fault looks like
- electrical faults appear after rain or a car wash,
- the system returns to normal after the battery is disconnected,
- some functions work only intermittently,
- warning lights on the dashboard come on for no reason.
Before buying a module, check fuses, earth points and connectors - corrosion and damaged wiring cause similar symptoms.
Which car it is for
- Temic - manufacturer
- Audi A4 B6 B7 - model
Role of the part in the car
The module is not universal - the same name covers different versions depending on equipment, year and the market where the car was sold.
Part numbers to check
- 8E0959433AJ - VAG group number (OEM)
- 00007251B9 - additional part number
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.
Questions and answers
| Is coding needed after replacement? |
|---|
| It depends on the make, model and version. Before buying, check whether your car needs adaptation or coding after the replacement. |
| What condition is this part in? |
| The part is used but working. The warranty is stated in the product features. |
Send fitment questions to contact@auto24parts.com - give the model, year and the number from the label.