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 Touareg 7L6937049K
Vendors's code: 7L6937049K
Product code: 7L6937049K
Barcode:
Code 39:
ISBN:
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Part number 7L6937049K - is it the right choice?
We sell a used, working part (comfort control module) for Volkswagen Touareg with numbers 7L6 937 049 K / 7L6937049K. Before buying, compare the numbers with the label on the part in your car.
Comfort control module Volkswagen Touareg
Looking for a replacement for a faulty module for Volkswagen Touareg (2004)? We offer a used, working comfort control module in good condition.
Numbers to compare
- 7L6 937 049 K / 7L6937049K - VAG group number (OEM)
Typical failure symptoms
- electric windows respond with a delay or not at all,
- communication errors appear on the dashboard,
- interior lights or indicators work incorrectly,
- the central locking or locking signal does not work.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
Which car it is for
- Volkswagen Touareg - model
- 2004 - year
Compatibility with your car
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model and year alone.
How this part works
The module electronics are exposed to moisture and contact corrosion, especially when fitted in the scuttle, under the dashboard or near the doors.
In VAG group cars the module is sometimes described as the onboard power supply control unit (Bordnetzsteuergerät); its version depends on the equipment.
Frequently asked questions
| What condition is this part in? |
|---|
| 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? |
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
| Can I use a part from a different equipment version? |
| We do not assume so. Versions differ in functions and software, so compare the numbers and the equipment of your car. |
Any doubts? Send a photo of your part to contact@auto24parts.com - we will check it for you.