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.
ABS pump and control module Mercedes-Benz A1664311712 A1669013400
Vendors's code: A1669013400
Product code: A1664311712
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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ABS pump number A1664311712 - is this the right part?
This is a used, working ABS pump with control module for the Mercedes-Benz - numbers A 166 431 17 12 / A1664311712; A1669013400. Before buying, compare the numbers with the label on the module in your car.
ABS pump and control module Mercedes-Benz
For the Mercedes-Benz we offer a used ABS pump together with its control module, which you can match by the numbers in the list. It is working and in good condition.
Numbers to compare
- A 166 431 17 12 / A1664311712 - part number (OEM)
- A1669013400 - part number (OEM)
Application according to the listing
- Mercedes-Benz - model
How an ABS pump with control module works
The module electronics store fault codes that can be read with a diagnostic tool. This makes it easier to determine whether the sensors, the wiring or the hydraulic unit itself is to blame.
Matching
We also offer other pumps for this model with different numbers. Choose by the number on the module, not by the model alone. The electronics and the hydraulic block are matched to each other, so we treat the listing as a set that should be compared with the original by its numbers.
Symptoms of a faulty ABS pump
- the ABS warning light is on,
- ABS stops working during braking,
- the control module does not communicate with the diagnostic tool,
- sometimes the ESP or traction control light comes on as well.
Remember that after replacement the module may need coding or adaptation - check this for your model.
Questions and answers
| Is the part new? |
|---|
| The pump is used, but in working order. You will find its condition in the product features. |
| Which number matters most when choosing? |
| It is best to compare all the numbers on the module, above all the one marked as the manufacturer or OEM number. |
| Can I fit a pump from a different equipment version? |
| We do not assume so. Modules differ in functions (ABS, ESP, ASR) and software, so compare the numbers and the version of your car. |
Send a photo of your ABS pump or its number to contact@auto24parts.com and we will confirm whether this part will fit.