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 T5 7H0937049K 12243929
Vendors's code: 7H0937049K
Product code: 12243929
Barcode:
Code 39:
ISBN:
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Comfort control module for Volkswagen T5 - what to check before buying?
Used, working part: comfort control module for Volkswagen T5 - numbers 7H0937049K; 12243929. Before ordering, make sure the numbers match the label of your part.
Comfort control module Volkswagen T5
This module (comfort control module) is intended for: Volkswagen T5 (2004). This is a used, working part in good technical condition.
What a fault looks like
- the car does not respond to the remote,
- wipers or lights switch on by themselves,
- several unrelated functions stop working at the same time,
- the tester reports no communication with the module.
Inspect the module connectors: green or burnt pins cause symptoms similar to faulty electronics.
Part markings
- 7H0937049K - VAG group number (OEM)
- 12243929 - additional part number
How this part works
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 same model came with different module versions, so it is worth comparing the manufacturer number too.
Matching by numbers
For this model we offer several parts that differ in their numbers. The number on the label and the year decide, not the model name alone.
Listing details
- Volkswagen T5 - model
- 2004 - year
Buyers' questions
| How can I check whether this part fits my car? |
|---|
| Compare the model, year and the numbers of the part fitted in your car with the numbers in the description. You can also send us a photo. |
| 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 should I check on delivery? |
| Check that the numbers match the description and that the connectors and housing show no cracks or corrosion. |
Not sure? Write to contact@auto24parts.com and we will help you choose the right part for your car.