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 Fiat Bravo 503440170103 51786512
Vendors's code: 503440170103
Product code: 503440170103
Barcode:
Code 39:
ISBN:
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Part number 503440170103 - is it the right choice?
This listing is for a used, working part for Fiat Bravo: comfort control module, numbers 503440170103; 51786512. Before buying, compare the numbers with the label on the part in your car.
Comfort control module Fiat Bravo
The part in this listing handles body electronics in: Fiat Bravo. Choose it by the numbers on the list. It is used, working and in good condition.
Numbers on the label
- 503440170103 - part number
- 51786512 - additional part number
Role of the part in the car
In many models the module communicates with other control units over the bus, so after replacement it may need coding or matching to the car.
Listing details
- Fiat Bravo - model
What a fault looks like
- the central locking or locking signal does not work,
- interior lights or indicators work incorrectly,
- communication errors appear on the dashboard,
- electric windows respond with a delay or not at all.
Compare all numbers with the label on your module, because the same car model may have had several versions.
Compatibility with your car
Compare number 503440170103 in full with the number on your part. Different versions were fitted to the same models, so the number decides, not the model alone.
Questions and answers
| 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. |
| 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. |
Any doubts? Send a photo of your part to contact@auto24parts.com - we will check it for you.