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 Phaeton 3D0937049J 03D0937039J
Vendors's code: 3D0937049J
Product code: 3D0937049J
Barcode:
Code 39:
ISBN:
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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 3D0937049J - is it the right choice?
Used, working part: comfort control module for Volkswagen Phaeton - numbers 3D0 937 049 J / 3D0937049J; 03D0937039J. Before ordering, check the numbers on the label of the part removed from your car.
Comfort control module Volkswagen Phaeton
For Volkswagen Phaeton (2006) we offer a used comfort control module that you can match by the numbers on the list. It is working and in good condition.
Matching by numbers
Compare number 3D0 937 049 J in full with the number on your part. Different versions were fitted to the same models, so the number decides, not the model and year alone.
Listing details
- Volkswagen Phaeton - model
- 2006 - year
Numbers on the label
- 3D0 937 049 J / 3D0937049J - VAG group number (OEM)
- 03D0937039J - additional part number
- 03D937049 - VAG group number (OEM)
- 05 0756 00 / 05075600 - additional part number
Role of the part in the car
The comfort control module controls body functions such as interior lighting, central locking, windows or wipers; the exact scope depends on the make and version of the car.
In VAG group cars the module is sometimes described as the onboard power supply control unit (Bordnetzsteuergerät); its version depends on the equipment.
When to replace the part
- the module connector shows signs of corrosion,
- cabin illumination or signalling does not work,
- locks and windows behave inconsistently,
- fault messages appear after starting.
Before buying a module, check fuses, earth points and connectors - corrosion and damaged wiring cause similar symptoms.
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. |
Write to contact@auto24parts.com with the model, year and the number from your part - we will check the fitment.