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 W204 ATE A2044313712 10021223194 10092623133 A2045455132
Vendors's code: A2045455132
Product code: A2044313712
Barcode:
Code 39:
ISBN:
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How to check whether ABS pump A2044313712 fits your Mercedes W204
Used ABS pump with control unit, number A2044313712, inspected before sale. Matched by the numbers on the block and sticker.
Is ABS pump A2044313712 the right part for your Mercedes?
This module is made by ATE. ABS pump A2044313712 is sold together with its control unit, just as it is fitted to Mercedes cars. According to the listing, the pump comes from the Mercedes W204 model.
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 204 431 37 12 (catalogue format: A2044313712), Mercedes number stamped on the hydraulic block,
- 10.0212-2319.4 (catalogue format: 10021223194), hydraulic block manufacturer's number,
- 10.0926-2313.3 (catalogue format: 10092623133), control unit number,
- A 204 545 51 32 (catalogue format: A2045455132), Mercedes 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 warning light comes on after the engine is started and stays on,
- 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.
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
| What is the difference between numbers A2044313712 and 10021223194? |
|---|
| 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. |
| What condition is this ABS module in? |
| It is an original recycled part in good condition, checked by us. Warranty details are 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.