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 8E0614517AQ 0265234105 8E0910517A 0265950357
Vendors's code: 0265234105
Product code: 8E0910517A
Barcode:
Code 39:
ISBN:
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Looking for ABS pump 8E0614517AQ?
We are offering a genuine Bosch assembly for Audi - used, in working order, with control module 8E0 910 517 A bolted on. You match the part by VAG number 8E0 614 517 AQ and the Bosch numbers.
Bosch ABS assembly 8E0614517AQ with control module 8E0910517A
The control module of this assembly, designated by VAG as 8E0 910 517 A and by Bosch as 0 265 950 357, continuously compares the signals coming from the wheel speed sensors. When, under braking, one of the wheels starts to slow down noticeably faster than the rest, the module responds by actuating the valves in the block, and the pump motor builds the pressure back up. The electronics therefore rely entirely on the sensors - a damaged sensor or its wire can produce symptoms resembling a module failure.
Bosch pump and control module numbers
- 8E0614517AQ - VAG number of the ABS pump (hydraulic unit), written as 8E0 614 517 AQ
- 0265234105 - Bosch number of the hydraulic block (pump), written as 0 265 234 105
- 8E0910517A - VAG number of the ABS/ESP control module, written as 8E0 910 517 A
- 0265950357 - Bosch number of the control module, written as 0 265 950 357
The Bosch pump number 0 265 234 105 is stamped directly into the metal of the aluminium hydraulic block, while VAG number 8E0 614 517 AQ and the electronics markings are to be found on the label on the control module housing. We list eight other versions of this pump with a different suffix, so compare the two letters AQ very carefully.
Symptoms that make it worth checking the ABS assembly
A problem with the pump or the module may be indicated by:
- a diagnostic tool that cannot connect to the ABS control module,
- a permanently lit ABS warning light,
- a stored pump motor fault.
Before buying, it is worth reading the fault memory and ruling out simpler causes: a wheel sensor, wiring, a plug, a fuse or a weak battery. Once the assembly is fitted, bleed the brakes; on many VW Group cars, coding the control module is also needed, and with ESP, so is calibration of the sensors.
FAQ - Bosch pump 8E0614517AQ
| Which car is this assembly intended for? |
|---|
| For Audi. Whether it fits a specific car is decided by the numbers - it is worth comparing them with those on your part. |
| What condition is this unit in? |
| It is a used, working genuine part. You will find information on the warranty period in the product features table. |
| Will a pump with a different number suffix, e.g. other than AQ, fit? |
| Do not assume so. A different suffix may indicate a different version of the system, so the safest option is to choose a unit with an identical number. |
| What needs to be done after fitting? |
| The brake system must be bled. Module coding and the basic setting of the ESP sensors are usually needed as well. |
Can't read the number on the block? Send us a photo of it or the vehicle's VIN, and we will help you identify it.