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 Volvo V50 31310743 31310740AA
Vendors's code: 31310743
Product code: 31310743
Barcode:
Code 39:
ISBN:
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Is Volvo V50 the right part for your car?
Used, working part: comfort control module for Volvo V50 - numbers 31310743; 31310740AA. Before ordering, make sure the numbers match the label of your part.
Comfort control module Volvo V50
For Volvo V50 we offer a used comfort control module that you can match by the numbers on the list. It is working and in good condition.
Which car it is for
- Volvo V50 - model
- 2007-2012 - year
Compatibility with your car
Compare number 31310743 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.
Numbers on the label
- 31310743 - part number
- 31310740AA - additional part number
Role of the part in the car
A module failure is often mistaken for faulty individual consumers: when several unrelated functions stop working at once, it is worth checking the module as well.
Symptoms of a fault
- cabin illumination or signalling does not work,
- locks and windows behave inconsistently,
- fault messages appear after starting,
- the module connector shows signs of corrosion.
It is worth reading the fault codes first, because many body faults come from switches or wiring rather than the module itself.
Questions and answers
| Which number matters most when matching? |
|---|
| It is best to compare all numbers on the label, above all the one marked as the manufacturer or OEM number. |
| What does "used, working" mean? |
| The part is used but working. The warranty is stated in the product features. |
| What does "used, working" mean? |
| 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.