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 and control module Audi Bosch 4H0614517S 0265250588 4H0907379AA 0265960468
Vendors's code: 4H0614517S
Product code: 9A1B-517A3
Barcode:
Code 39:
ISBN:
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What markings should you look for on ABS pump 4H0614517S?
The block of this used, working Bosch unit for Audi bears number 4H0 614 517 S, and the module is marked 4H0 907 379 AA. These two numbers are the basis for selection.
Bosch ABS unit 4H0614517S – block 0 265 250 588 and control module 4H0907379AA
With this hydraulic unit it is easy to get it wrong: our shop has 7 more versions that differ only in the ending of the number. The letter S is not decoration – a different suffix may mean a different version of the system. That is why you compare the whole string 4H0614517S and the control module number, not just the first few characters.
Full numbers to compare with your part
- 4H0614517S – VAG number of the ABS pump (hydraulic unit); marking on the block: 4H0 614 517 S
- 0265250588 – Bosch number of the hydraulic block (pump): 0 265 250 588
- 4H0907379AA – VAG number of the ABS/ESP control module – on the label 4H0 907 379 AA
- 0265960468 – Bosch number of the control module, written 0 265 960 468
The pump markings are engraved in the metal of the hydraulic block, which also has its ports labelled HZ1, HZ2, VL, VR, HL and HR. The module details are on the label stuck to its housing. Read them character by character – especially the double letter AA in the control module number.
When to suspect the ABS unit
Most often one of these signs appears:
- ABS and ESP/ASR both not working,
- a valve fault has been stored in memory,
- the ABS light on from the moment the engine is started.
First check whether the cause is a wheel sensor, a fuse, a chafed wire or a weak battery – a scan tool reading will settle this quickly. After fitting, remember to bleed the brake system and carry out a basic setting of the ESP sensors.
Questions about pump 4H0614517S
| Which make is this part for? |
|---|
| Audi. You will confirm the specific car by the numbers on the block and the module label, since the model alone does not determine the pump version. |
| What condition is this pump in? |
| It is a used, genuine and working part. Please see the product features table for the warranty period. |
| Which number should I look at first? |
| The pump's VAG number 4H0 614 517 S with the letter at the end, followed straight away by control module number 4H0 907 379 AA. |
| Does the module need coding after replacement? |
| On many VW Group cars, yes – the control module is coded to the specific car with a diagnostic tool. |
Not sure you have read it correctly? Send a photo of the engraving on the block and the module label – we will help you interpret them.