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 unit Volkswagen 1K0614117S 1K0907379AK
Vendors's code: 1K0614117S
Product code: 1K0907379AK
Barcode:
Code 39:
ISBN:
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Does ABS pump 1K0614117S fit your Volkswagen?
It fits if the sticker on your module shows 1K0614117S or 1K0907379AK. A used, working ABS pump with control unit for Volkswagen, inspected before sale.
ABS pump and control unit Volkswagen 1K0614117S 1K0907379AK
This listing covers a used ABS module for Volkswagen: a hydraulic block with the pump and valves and the control unit connected to it. The part comes from a dismantled car, works properly and was checked before dispatch. The numbers from the sticker, listed below, point to the right module.
Numbers to compare
- 1K0614117S – part number (OEM)
- 1K0907379AK – ABS control unit number
Volkswagen brake systems come in many versions, so the brand alone is not enough. Before buying, match both numbers in the listing with the sticker on your own module.
Signs of a faulty ABS pump
- the ABS warning light stays on after the engine starts,
- the pump motor does not start or runs louder than usual,
- an unusual noise when braking,
- brake fluid leaks from the hydraulic unit.
Before buying a pump, check the fuse, power supply, ground and wheel speed sensors – a damaged wiring harness or sensor can cause similar symptoms.
Questions and answers
| Are the pump and the control unit sold separately? |
|---|
| In this listing they are a single module: a hydraulic block with the pump and valves, with the control unit attached to it. |
| Does the brake system need bleeding after replacement? |
| Yes. The system is bled after replacing the pump, so it is a good moment to check the brake fluid and change it if it is old. Fitting is best left to a workshop. |
| Is this a new part? |
| No. We sell used original modules, each one inspected before sale. You will find the warranty period in the product features table. |
Want to check before you buy? Send a photo of the sticker on your ABS pump to contact@auto24parts.com and we will check that the numbers match. See also: ABS pumps for Volkswagen and complete ABS pumps.