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 W209 CLK ATE A0054314312 10020405044 A0345457932
Vendors's code: A0345457932
Product code: A0054314312
Barcode:
Code 39:
ISBN:
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Will ABS pump A0054314312 fit your Mercedes?
Used ABS pump with control unit, number A0054314312, inspected before sale. Matched by the numbers on the block and sticker.
Mercedes W209 CLK ABS pump: numbers A0054314312 and 10020405044
If the ABS warning light is on in your Mercedes W209 CLK, one possible cause is the hydraulic module or its control unit. ABS pump A0054314312 is a used original part, inspected before sale. According to the listing, the pump comes from the Mercedes W209 CLK model.
Numbers and markings on the ABS pump
The numbers from the listing, as written on the labels and as a single string:
- A 005 431 43 12 (catalogue format: A0054314312), Mercedes number stamped on the hydraulic block,
- 10.0204-0504.4 (catalogue format: 10020405044), hydraulic block manufacturer's number,
- A 034 545 79 32 (catalogue format: A0345457932), Mercedes control unit number.
Compare the numbers with the original pump in your car, and if any of them differs, write to us before buying.
What ABS problems can point to
- 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,
- the ABS switches itself off shortly after the engine is started.
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
| Where do I find number A0054314312 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. |
| Who makes this module? |
| The module is made by ATE. The manufacturer's name does not change the numbers you should use to match the part. |
| 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. |
Want to check before you buy? Send a photo of the block and sticker on your ABS pump and we will check that the numbers match.