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 and control module Audi Bosch 8E0614517AK 0265234336 8E0910517D 0265950474
Vendors's code: 0265234336
Product code: 8E0614517AK
Barcode:
Code 39:
ISBN:
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8E0614517AK - is this the number you can see on your ABS pump?
If 8E0 614 517 AK is stamped on the block of your assembly, you are on the right track: this used, working Bosch unit comes from an Audi. The control module has Bosch number 0 265 950 474, and we give VAG number 8E0 910 517 D from the product data.
Bosch ABS/ESP unit 8E0614517AK with electronics 0265950474
Replacing the complete assembly makes sense when diagnostics point to both the hydraulic section and the module, or when the control module has stopped communicating and it is hard to tell what has failed. With this listing you get block 8E0614517AK - with valves and motor - together with the module, whose label bears the text ‘ESP’. The Bosch block number is 0 265 234 336.
Markings to compare with your own part
- 8E0614517AK - VAG number of the ABS pump (hydraulic unit), stamped into the metal of the block: 8E0 614 517 AK
- 0265234336 - Bosch number of the hydraulic block (pump), stamped into the metal of the block: 0 265 234 336
- 8E0910517D - VAG number of the ABS/ESP control module: 8E0 910 517 D - from the product data, there is no VAG sticker on the control module
- 0265950474 - Bosch number of the control module, on the label: 0 265 950 474
The pump numbers are stamped into the metal at the front of the block, next to the port symbols HZ1, HZ2, VL, VR, HL and HR; the metal is dirty and the stamping faint. On the side facing the pump there is a white barcode sticker. The same module 0 265 950 474 is also listed in our shop with pump 8E0614517BF - so when comparing parts, go primarily by the number stamped on the block.
Signs of a damaged ABS unit
Problems with this assembly typically appear as:
- loss of communication with the control module in the diagnostic tool,
- the ABS warning light coming on while driving,
- a stored pump motor fault.
The first step should be reading the fault codes, and the second checking the wheel sensors, fuses, electrical connections and battery condition. Once the assembly is installed, bleed the brakes. Coding the module and calibrating the ESP sensors are the next steps wherever the vehicle manufacturer specifies them.
8E0614517AK - questions and answers
| Which make does this pump fit? |
|---|
| Audi. We do not give a specific model - you check the fit by comparing the block and control module numbers. |
| What condition is this unit in? |
| Used, working, genuine Bosch. The warranty period is given in the product features table. |
| Is the control module included? |
| Yes - the listing covers the pump with its hydraulic block and Bosch control module 0 265 950 474 bolted to it. |
| Is comparing the Bosch number alone enough? |
| Not always. Control module 0 265 950 474 also comes with a different pump, so as well as the Bosch numbers, check VAG number 8E0 614 517 AK. |
Can't read the stamped number? Send a photo of the block and the control module or your VIN, and we will help you compare it.