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 A2044312212 A2045455232
Vendors's code: A2045455232
Product code: 7E57-29262
Barcode:
Code 39:
ISBN:
£432.53
Price
£432.53
£532.02
Price
£532.02
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ABS pump Mercedes ATE A2044312212 A2045455232
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Does ABS pump A2044312212 come complete with the control unit?
Used original ABS module with number A2044312212 for Mercedes. Confirm compatibility with the number from your original pump.
Is ABS pump A2044312212 the right part for your Mercedes?
ABS pump A2044312212 for Mercedes is a used original module that regulates brake pressure when a wheel starts to lock up. It is matched by the numbers on its labels, not by the car model alone. 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 A2044312212 and related numbers
Below are the numbers as they appear on the labels, together with the single-string form used in catalogues:
- A 204 431 22 12 (catalogue format: A2044312212), Mercedes number stamped on the hydraulic block,
- A 204 545 52 32 (catalogue format: A2045455232), Mercedes control unit number.
The full numbers matter, including their endings. If in doubt, send us a photo of your pump.
What can point to an ABS pump failure
- the brake pedal pulses or feels uneven for no obvious reason,
- the ABS activates for no reason during normal braking,
- the ABS switches itself off shortly after the engine is started,
- on a slippery surface the wheels lock up noticeably sooner than they used to.
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
| What is the difference between numbers A2044312212 and A2045455232? |
|---|
| One of the numbers is stamped on the hydraulic block, while the other comes from the module manufacturer or from the control unit sticker. When matching the part, compare all the numbers. |
| 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. |
Not certain this is the right module? Send us the numbers from the label on your pump and we will help you compare them.
