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 3C0937049H
Vendors's code: 3C0937049H
Product code: 3C0937049H
Barcode:
Code 39:
ISBN:
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Part number 3C0937049H - is it the right choice?
Used, working part: comfort control module for Volkswagen Audi - numbers 3C0 937 049 H / 3C0937049H. Before ordering, check the numbers on the label of the part removed from 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.
Part markings
- 3C0 937 049 H / 3C0937049H - VAG group number (OEM)
How this part works
Which functions the module handles depends on the software and equipment of the car; the same physical module may work differently in another car.
In VAG group cars the same model came with different module versions, so it is worth comparing the manufacturer number too.
Typical failure symptoms
- a selected body function does not work although the switch is fine,
- the module gets hot or smells burnt,
- the car does not enter full sleep mode,
- random errors appear in the diagnostic memory.
Remember that the module may need coding or adaptation after replacement - check this for your model.
Matching by numbers
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model alone.
Which car it is for
- Volkswagen Audi - model
Buyers' questions
| 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. |
| What condition is this part in? |
| The part is used but working. The warranty is stated in the product features. |
If you have questions about the application, write to contact@auto24parts.com and give the number from the label.