The automatic transmission control unit (often designated as TCU or TCM) is a crucial electronic component responsible for smooth and trouble-free gear shifting. Its failure, most often caused by overheating, short circuits, or water damage, results in jerking, an inability to shift gears, or the vehicle entering limp mode. Purchasing a new module at an authorized dealership is a massive expense, which is why replacing it with a fully functional, used original is the most reasonable solution.
ABS pump Mercedes Bosch A0004311500 0265256538 0265956296
Vendors's code: A0004311500
Product code: 0265256538
Barcode:
Code 39:
ISBN:
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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 A0004311500 come complete with the control unit?
Used ABS pump with control unit, number A0004311500, inspected before sale. Matched by the numbers on the block and sticker.
Mercedes ABS pump: numbers A0004311500 and 0265256538
ABS module A0004311500 is used and has been inspected before sale. It is intended for Mercedes cars, but whether it fits is decided by comparing the numbers with the original part in your car. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Numbers to compare
The numbers from the listing, as written on the labels and as a single string:
- A 000 431 15 00 (catalogue format: A0004311500), Mercedes number stamped on the hydraulic block,
- 0 265 256 538 (catalogue format: 0265256538), hydraulic block manufacturer's number,
- 0 265 956 296 (catalogue format: 0265956296), control unit number.
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
Symptoms of a faulty ABS pump or control unit
- the ABS stops working, although basic braking usually remains functional,
- the ABS warning light comes on together with the stability control warning light,
- 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.
First check the wheel sensors, their wiring and the supply voltage. Only a fault code pointing to the module justifies replacing the pump. After fitting, clear the fault codes and, if necessary, bleed the brake system.
Questions and answers
| What is the difference between numbers A0004311500 and 0265256538? |
|---|
| 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. |
| 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. |
| Who makes this module? |
| The module is made by Bosch. 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 be certain? Send us the numbers from the block and sticker on your ABS pump, and together we will check whether this part will fit.