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 8K0614517FK 0265236191 8K0907379BT 0265951171
Vendors's code: 0265236191
Product code: 57AE-208B9
Barcode:
Code 39:
ISBN:
£92.69
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£92.69
£114.00
Price
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ABS pump and control module Audi Bosch 8K0614517FK 0265236191 8K0907379BT 0265951171
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How can ABS pump 8K0614517FK be matched to your car?
The key is the number stamped into the metal of the block: if the block in your Audi shows 8K0 614 517 FK, this used and working Bosch unit is the right candidate. The set includes a control module with Bosch number 0 265 951 171.
Bosch 8K0614517FK - hydraulic block 0265236191 with ABS/ESP module
Under hard braking, this unit's control module compares the signals from the wheel speed sensors. A drop in the speed of one wheel that is too rapid means it is at risk of locking - the module then switches the valves, briefly reducing the pressure in that circuit, after which the pump motor raises it again. In item 8K0 614 517 FK, this whole cycle is handled by Bosch block 0 265 236 191 together with bolted-on control module 0 265 951 171. As a result the wheels keep their grip and the driver can still steer the car.
Numbers worth checking against yours
- 8K0614517FK - VAG number of the hydraulic unit (ABS pump), stamped in the metal: 8K0 614 517 FK
- 0265236191 - Bosch number of the hydraulic block, stamped in the metal: 0 265 236 191
- 8K0907379BT - VAG number of the ABS/ESP control module (8K0 907 379 BT) - from the product data, as the control module's VAG label is not visible in the photos
- 0265951171 - Bosch number of the control module, written: 0 265 951 171
The pump numbers are stamped directly into the metal of the front face of the block, next to the port markings HZ1, HZ2, VL, VR, HL and HR. Control module VAG number 8K0 907 379 BT comes from the product data, so when comparing the module rely on Bosch number 0 265 951 171 - the same control module also appears in our shop in a listing with pump 8K0 614 517 CT. Remember too that we have 35 other versions of 8K0 614 517 with a different ending.
When the ABS unit may be faulty
The driver will then most often notice:
- the ABS and ESP lights on simultaneously,
- ABS not working under harder braking,
- a pump fault stored in the control module.
Before you buy a replacement, connect a scan tool and check what codes the control module has stored - the culprit often turns out to be a wheel speed sensor, a damaged wiring loom or low battery voltage. After replacement, bleeding the brakes is essential, and on many VW Group cars so are module coding and ESP sensor calibration.
Questions and answers - pump 8K0614517FK
| Will this unit suit my car? |
|---|
| It is intended for Audi cars, but the number has the final say - compare 8K0 614 517 FK with the marking on your block. |
| What condition is the pump on offer in? |
| It is a used, genuine and working part. Information on the warranty period can be found in the product features table. |
| Which number comes first when checking? |
| The pump's VAG number including the final letters. The control module's Bosch number 0 265 951 171 helps to further confirm module compatibility. |
| Does the control module need coding? |
| On many VW Group cars - yes. After fitting it is coded with a diagnostic tool, and on cars with ESP a basic setting of the steering angle sensor is usually carried out as well. |
Send us a photo of the stamped numbers on your block or your car's VIN, and we will compare them with this item.
