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 ATE A2044312012 10021204164 A2049012500
Vendors's code: A2049012500
Product code: A2044312012
Barcode:
Code 39:
ISBN:
1 300,81 zł
Price
1 300,81 zł
1 600,00 zł
Price
1 600,00 zł
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ABS pump Mercedes ATE A2044312012 10021204164 A2049012500
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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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Does ABS pump A2044312012 come complete with the control unit?
Used ABS pump with control unit, number A2044312012, inspected before sale. Matched by the numbers on the block and sticker.
How to identify ABS pump A2044312012 for your Mercedes
If the ABS warning light is on in your Mercedes, one possible cause is the hydraulic module or its control unit. ABS pump A2044312012 is a used original part, inspected before sale. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Part number A2044312012 and related numbers
The numbers as written on the labels and as a single string, the way catalogues list them:
- A 204 431 20 12 (catalogue format: A2044312012), Mercedes number stamped on the hydraulic block,
- 10.0212-0416.4 (catalogue format: 10021204164), hydraulic block manufacturer's number,
- A 204 901 25 00 (catalogue format: A2049012500), Mercedes control unit number.
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
What ABS problems can point to
- the ABS warning light comes on after the engine is started and stays on,
- valve or pump motor faults are stored in the control unit memory,
- brake fluid leaks from the hydraulic block, which requires immediate action,
- the ABS warning light comes on together with the stability control warning light.
ABS faults should not be ignored, because without anti-lock protection the car brakes less well on wet or slippery roads. Diagnosis and fitting are best left to a garage with a suitable scanner.
Questions and answers
| 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. |
| Does a lit ABS warning light always mean a faulty pump? |
| No. Read the fault codes first, because the cause may be a wheel sensor, its wiring or too low a supply voltage. |
| Do the brakes need bleeding after replacing the module? |
| If the brake lines are disconnected during fitting, the system must be bled. The fault codes in the control unit usually need to be cleared as well. |
| What condition is this pump in? |
| It is a used original part, inspected before sale. You will find the warranty period in the product features table. |
Not sure about the match? Send us a photo of the numbers on your ABS pump and we will check whether this module will fit.
