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 Renault A2C9987670100 284B17439P
Vendors's code: A2C9987670100
Product code: A2C9987670100
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 A2C9987670100 - is it the right choice?
Used, working part: comfort control module for Renault - numbers A2C9987670100; 284B17439P. Compare the numbers with the label of the part currently in your car.
Comfort control module Renault
The comfort control module controls selected body consumers. The unit offered applies to: Renault; it is used, working and in good condition.
How this part works
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.
Typical failure symptoms
- door signalling works incorrectly,
- the battery drains overnight for no obvious reason,
- nothing happens when settings are changed,
- the interior lighting does not switch off.
Remember that the module may need coding or adaptation after replacement - check this for your model.
Compatibility with your car
Our range also includes other parts for this model with different numbers. Choose by the number on the label, not by the model alone.
Vehicle and manufacturer
- Renault - model
Part markings
- A2C9987670100 - part number
- 284B17439P - additional part number
Frequently asked questions
| Where can I find the number on the part? |
|---|
| The number is on the label or housing, usually visible after removing the part from the car. If you cannot read it, send us a photo. |
| 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? |
| We sell it as a used, working part in good condition; the warranty length is given in the offer features. |
Write to contact@auto24parts.com with the model, year and the number from your part - we will check the fitment.