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 Volkswagen TRW 5N0614109BC 54085768U 17618892 17618992A
Vendors's code: 5N0614109BC
Product code: C19B-15984
Barcode:
Code 39:
ISBN:
€162.60
Price
€162.60
€200.00
Price
€200.00
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ABS pump and control module Audi Volkswagen TRW 5N0614109BC 54085768U 17618892 17618992A
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Does ABS pump 5N0614109BC fit your Audi or Volkswagen?
It does if your part carries the same number, 5N0 614 109 BC, and matching TRW numbers. We are offering a used TRW unit in working order, combined with its control module, from Audi and Volkswagen cars.
TRW ABS unit 5N0614109BC with control module - Audi and VW
You brake hard and one of the wheels starts to lock - the speed sensor immediately reports this to the module of unit 5N0614109BC. The electronics open the appropriate valve and briefly reduce the pressure at that wheel, after which the pump motor forces the fluid back into the circuit. The wheel turns again, so the car remains steerable. The same mechanism works in an Audi and in a Volkswagen fitted with a unit bearing this number.
Numbers on the TRW label of this unit
- 5N0614109BC - VAG number of the ABS pump (hydraulic unit), written as 5N0 614 109 BC
- 54085768U - TRW number from the unit label: 54085768U
- 17618892 - TRW number from the unit label: 17618892
- 17618992A - TRW number from the unit label, where it appears as 17618992-A
The motor and the side of the block only have small barcode stickers, with no legible part number - you will find the actual markings on the unit label. The shop has another 10 variants of this pump with a different ending, so check the letters BC carefully.
Typical symptoms of an ABS failure
A damaged unit often makes itself known through:
- the ABS and ESP lamps coming on,
- ABS switching off during braking,
- a pump fault stored by the module.
Before you buy a replacement, read the faults and then go over the wheel sensors, fuses, wiring and battery condition. Once the block is fitted, it is time to bleed the brakes and usually to code the module; if the car has ESP, the steering angle sensor is generally calibrated too.
Key questions - pump 5N0614109BC
| Does the unit fit both Audi and Volkswagen? |
|---|
| Yes, both makes are possible - provided number 5N0 614 109 BC and the TRW numbers match. We do not give specific models. |
| What is the pump's technical condition? |
| Working - it is a used genuine part. The warranty period is given in the product features table. |
| Will the module need coding? |
| On many Audi and Volkswagen cars, yes; it is done with a diagnostic tool. |
| Will the brake system have to be bled? |
| Yes - fitting an ABS unit is not complete until the brakes have been bled. |
Give us your VIN or attach a photo of the label on your current unit - we will confirm the fit for your car.
