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.
BSI comfort module Fiat Panda S118578020D 51740049
Vendors's code: S118578020D
Product code: S118578020D
Barcode:
Code 39:
ISBN:
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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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Part number S118578020D - is it the right choice?
Used, working part: BSI comfort module for Fiat Panda - numbers S118578020D; 51740049. Before ordering, check the numbers on the label of the part removed from your car.
BSI comfort module Fiat Panda
If several body functions in your Fiat Panda have stopped working at once, the module may be the cause. We sell a used, working unit in good condition.
What a fault looks like
- warning lights on the dashboard come on for no reason,
- electrical faults appear after rain or a car wash,
- the system returns to normal after the battery is disconnected,
- some functions work only intermittently.
Remember that the module may need coding or adaptation after replacement - check this for your model.
Vehicle and manufacturer
- Fiat Panda - model
- Siemens - manufacturer
Part markings
- S118578020D - part number
- 51740049 - additional part number
Fitment
For this model we offer several parts that differ in their numbers. The number on the label decides, not the model name alone.
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. BSI (Boîtier de Servitude Intelligent) is the name of the comfort module used in PSA group cars and, in some models, in vehicles linked to that group.
Questions and answers
| What condition is this part in? |
|---|
| The part is used but working. The warranty is stated in the product features. |
| 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. |
Not sure? Write to contact@auto24parts.com and we will help you choose the right part for your car.