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 Mercedes Bosch A2124311948 0265244329 0265956094
Vendors's code: A2124311948
Product code: 0265244329
Barcode:
Code 39:
ISBN:
975,61 zł
Price
975,61 zł
1 200,00 zł
Price
1 200,00 zł
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ABS pump Mercedes Bosch A2124311948 0265244329 0265956094
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Does ABS pump A2124311948 come complete with the control unit?
ABS pump A2124311948 complete with control unit, used and inspected. Compare the numbers with the original in your car.
Is ABS pump A2124311948 the right part for your Mercedes?
The hydraulic block and control unit of this ABS pump form a single module that works with the wheel speed sensors in Mercedes cars. You will find number A2124311948 on the label, and the full set of numbers is given in the description below. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Where to find the numbers on an ABS pump
You will find the numbers on the labels, while catalogues list them as a single string:
- A 212 431 19 48 (catalogue format: A2124311948), Mercedes number stamped on the hydraulic block,
- 0 265 244 329 (catalogue format: 0265244329), hydraulic block manufacturer's number,
- 0 265 956 094 (catalogue format: 0265956094), control unit number.
The full numbers matter, including their endings. If in doubt, send us a photo of your pump.
When an ABS module needs replacing
- the ABS stops working, although basic braking usually remains functional,
- the brake pedal pulses or feels uneven for no obvious reason,
- the ABS warning light comes on together with the stability control warning light,
- the ABS switches itself off shortly after the engine is started.
It is worth reading the fault codes and checking the sensor wiring before replacement. Fitting and bleeding the brake system are usually carried out by a garage with the right equipment.
Questions and answers
| Where do I find number A2124311948 on my pump? |
|---|
| The numbers are stamped or printed on the aluminium hydraulic block, and the control unit has a separate sticker. Take a close-up photo of both places in good light. |
| Are the make and model of the car enough to choose the part? |
| No. A single model comes with different versions of the module, depending on the engine, year of manufacture and drivetrain. The most reliable reference is the number on the original pump. |
| Are the pump and the control unit sold separately? |
| In this listing they are a single module: a hydraulic block with the pump and valves, with the control unit attached to it. |
| Is this a new part? |
| No. We sell used original modules, each one inspected before sale. You will find the warranty period in the product features table. |
Not certain this is the right module? Send us the numbers from the label on your pump and we will help you compare them.
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