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 Volkswagen Bosch 8E0614111AB 0265216559 0273004281
Vendors's code:
Product code: E4E7-627CD
Barcode:
Code 39:
ISBN:
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Do you need ABS unit 8E0614111AB with control module 0 273 004 281?
In this used, working Bosch set, the hydraulics carry the number 8E0 614 111 AB stamped into the metal, and the electronics 0 273 004 281. It was used in Audi and Volkswagen cars, and these are the markings you match it by.
8E0614111AB and Bosch module 0 273 004 281 – complete ABS unit
Buying the whole assembly is worthwhile when the fault codes concern both the pump motor and the electronics, or when your existing module cannot be transferred. The listing comprises Bosch housing 0 265 216 559 with valves and motor, with control module 0 273 004 281 bolted onto it. The VAG designation of the hydraulic unit is 8E0614111AB – start your comparison there.
Hydraulic unit and module numbers
- 8E0614111AB – VAG number of the ABS pump (hydraulic unit), stamped into the block metal: 8E0 614 111 AB
- 0265216559 – Bosch number of the hydraulic block (pump), stamped into the metal: 0 265 216 559
- 0273004281 – Bosch control module number, on the module housing: 0 273 004 281
The hydraulic numbers are stamped or cast into the aluminium – there is no sticker here – while the electronics details appear on the control module housing. The passages are marked with the symbols HZ1, HZ2, VL, VR, HL, HR. We also have 8 related variants of this pump, so the full marking 8E0 614 111 AB is what determines the choice.
Faults that call for replacing the whole unit
A mechanic will take a closer look at this unit when they see:
- an ABS warning light that stays on constantly,
- an entry for an internal electronics defect,
- a control module that stays silent when diagnosis is attempted,
- the brake light on together with ABS.
Before buying, rule out cheaper causes: a wheel sensor, a broken wiring loom, corrosion on the connector, a fuse or too low a battery voltage. After fitting, the brakes require bleeding, and on many VW Group models the module needs coding with a diagnostic tool.
Frequently asked questions – 8E0 614 111 AB
| Which makes is this unit found in? |
|---|
| Audi and Volkswagen. We do not name the model, as compatibility follows from the VAG and Bosch markings. |
| Is the part new or used? |
| Used, genuine and working, from a dismantled vehicle. The warranty period is given in the product features table. |
| Will a version with a suffix other than AB be fine too? |
| Not always – different letters can indicate a different variant of the system. As there are 8 variants in our shop, it is easier to pick the one that matches your number than to risk fitting something other than 8E0614111AB. |
| Do the brakes need bleeding once the unit is fitted? |
| Yes, it is a mandatory step; it is often done with a scan tool that activates the block valves. |
Write to us with your VIN or attach snaps of the housing and control module – we will compare the markings before anything is dispatched.