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 BMW Sport 6135770557902 10681810
Vendors's code: 6135770557902
Product code: 6135770557902
Barcode:
Code 39:
ISBN:
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Part number 6135770557902 - is it the right choice?
We sell a used, working part (comfort control module) for BMW Sport with numbers 6135770557902; 106 818 10 / 10681810. Before buying, compare the numbers with the label on the part in your car.
Comfort control module BMW Sport
The part in this listing handles body electronics in: BMW Sport. Choose it by the numbers on the list. It is used, working and in good condition.
Part markings
- 6135770557902 - part number
- 106 818 10 / 10681810 - additional part number
Listing details
- BMW Sport - model
How to choose the part
Compare number 6135770557902 in full with the number on your part. Different versions were fitted to the same models, so the number decides, not the model alone.
What this part does
The module electronics are exposed to moisture and contact corrosion, especially when fitted in the scuttle, under the dashboard or near the doors.
Typical failure symptoms
- cabin illumination or signalling does not work,
- the module connector shows signs of corrosion,
- locks and windows behave inconsistently,
- fault messages appear after starting.
Inspect the module connectors: green or burnt pins cause symptoms similar to faulty electronics.
Frequently asked questions
| Is the part new? |
|---|
| It is a used, working part in good condition. Warranty details are listed in the offer features. |
| 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. |
Send a photo of your part or its number to contact@auto24parts.com and we will confirm whether this listing fits.