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 Audi Seat Skoda Volkswagen H37S1301 3C0937049J
Vendors's code: H37S1301
Product code: H37S1301
Barcode:
Code 39:
ISBN:
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Part number H37S1301 - is it the right choice?
Used, working part: comfort control module for Audi Seat Skoda Volkswagen - numbers H37/S1301 / H37S1301; 3C0 937 049 J / 3C0937049J. Before ordering, make sure the numbers match the label of your part.
Comfort control module Audi Seat Skoda Volkswagen
The part in this listing handles body electronics in: Audi Seat Skoda Volkswagen. Choose it by the numbers on the list. It is used, working and in good condition.
Fitment
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model alone.
What this part does
Which functions the module handles depends on the software and equipment of the car; the same physical module may work differently in another car.
Symptoms of a fault
- the module connector shows signs of corrosion,
- locks and windows behave inconsistently,
- fault messages appear after starting,
- cabin illumination or signalling does not work.
Compare all numbers with the label on your module, because the same car model may have had several versions.
Numbers on the label
- H37/S1301 / H37S1301 - part number
- 3C0 937 049 J / 3C0937049J - VAG group number (OEM)
Which car it is for
- Audi Seat Skoda Volkswagen - model
Frequently asked questions
| Is the part new? |
|---|
| We sell it as a used, working part in good condition; the warranty length is given in the offer features. |
| Is the part new? |
| This is a used, working part in good condition. You will find the warranty period in the product features table. |
Any doubts? Send a photo of your part to contact@auto24parts.com - we will check it for you.