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 Passat 3AA907801G 18233201A
Vendors's code: 3AA907801G
Product code: 3AA907801G
Barcode:
Code 39:
ISBN:
$81.96
Price
$81.96
$100.82
Price
$100.82
Ask about the product
Comfort control module Volkswagen Passat 3AA907801G 18233201A
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from
$30.24
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(Poland)
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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How can I check whether the comfort control module will fit Volkswagen Passat?
This listing is for a used, working part for Volkswagen Passat: comfort control module, numbers 3AA 907 801 G / 3AA907801G; 18233201-A / 18233201A. Before buying, compare the numbers with the label on the part in your car.
Comfort control module Volkswagen Passat
For Volkswagen Passat 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,
- random errors appear in the diagnostic memory,
- a selected body function does not work although the switch is fine,
- the module gets hot or smells burnt.
Inspect the module connectors: green or burnt pins cause symptoms similar to faulty electronics.
Fitment
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.
Numbers on the label
- 3AA 907 801 G / 3AA907801G - VAG group number (OEM)
- 18233201-A / 18233201A - additional part number
Role of the part in the car
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 module is sometimes described as the onboard power supply control unit (Bordnetzsteuergerät); its version depends on the equipment.
Application according to the listing
- Volkswagen Passat - model
- 2009-2012 - year
Questions before buying
| What if I cannot see my number in the description? |
|---|
| Write to us and give the number from your part. We will check whether we have it in stock, also in another listing. |
| What should I check on delivery? |
| Check that the numbers match the description and that the connectors and housing show no cracks or corrosion. |
Send fitment questions to contact@auto24parts.com - give the model, year and the number from the label.
