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 4K0614517R 0265291331 4K0907379P 4K0907379A 0265956621
Vendors's code: 0265291331
Product code: 16B1-32451
Barcode:
Code 39:
ISBN:
$785.69
Price
$785.69
$966.40
Price
$966.40
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ABS pump and control module Audi Bosch 4K0614517R 0265291331 4K0907379P 4K0907379A 0265956621
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Want a unit with ABS pump 4K0614517R?
We have one: a used, working Bosch part from an Audi, with pump 4K0 614 517 R and control module 4K0 907 379 P. Before you buy, make sure the same numbers appear on your part.
ABS pump 4K0614517R and module 4K0907379P (Bosch 0265956621) - Audi
In this unit, electronic module 4K0 907 379 P is the decision-maker: it processes the wheel speed sensor signals and compares how fast each wheel is turning. When it detects that a wheel is losing grip and starting to lock, it sends commands to the valves of block 4K0614517R. The pump motor then restores pressure so that braking stays smooth. A failure of a sensor or of the control module itself usually ends with ABS being switched off.
Numbers from the block, housing and label
- 4K0614517R - VAG number of the ABS pump (hydraulic unit), stamped: 4K0 614 517 R
- 0265291331 - Bosch number of the hydraulic block (pump), laser-marked: 0 265 291 331
- 4K0907379P - VAG number of the ABS/ESP control module, on the label: 4K0 907 379 P
- 4K0907379A - second VAG number on the control module label: 4K0 907 379 A
- 0265956621 - Bosch number of the control module, on the label: 0 265 956 621
The pump's VAG number is stamped into the metal of the block, and the pump's Bosch number is laser-marked on top of the plastic housing. The control module label contains two VAG numbers - 4K0 907 379 P and 4K0 907 379 A - and the markings include the text ‘ZSB Hydroaggregat ESP9’. The block also carries the port symbols HZ1, HZ2, VL, VR, HL and HR.
How a failure shows itself
Typical signs of a fault are:
- the diagnostic tool cannot establish a connection with the control module,
- an ABS warning light on the dashboard,
- a recorded pump motor fault.
Before removal, check the entries in the fault memory and the condition of the wheel sensors, fuses, wiring and connector, as well as the battery voltage. After installation, bleed the brake system; on cars with ESP the steering angle sensor and ESP sensors are usually calibrated, and the control module often has to be coded.
Questions about unit 4K0614517R
| Which make is this pump for? |
|---|
| Audi. The fit is decided by the numbers: 4K0614517R for the pump and 4K0 907 379 P for the control module. |
| What condition, and what warranty? |
| A genuine used part in working order. You will find the warranty period in the product features table. |
| What should I do to be certain before ordering? |
| Read the numbers off the block and the control module label, compare them with the list above, and if in doubt send us photos of them or your VIN. |
| Is comparing only the Bosch number enough? |
| Not always. Numbers 0 265 291 331 and 0 265 956 621 are helpful, but the VAG number with the letter R remains the basis for selection. |
Send us your VIN or photos of the markings - we will reply whether this unit suits your Audi.
