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 TRW 5N0614109AF 17618851 17618951A
Vendors's code: 5N0614109AF
Product code: CF89-44582
Barcode:
Code 39:
ISBN:
€406.50
Price
€406.50
€500.00
Price
€500.00
Ask about the product
ABS pump and control module Audi TRW 5N0614109AF 17618851 17618951A
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ABS pump 5N0614109AF - how do you check it matches your part?
The deciding factors are an identical VAG number, 5N0 614 109 AF, and matching TRW numbers on the label. This genuine TRW unit comes from an Audi; it is used, working and has its control module fitted.
TRW 5N0614109AF - ABS hydraulic unit with numbers 17618851 and 17618951-A
You will find three numbers on this item. Marking 5N0614109AF comes from the VAG numbering system and describes the ABS pump - it is the basis on which you match the part to an Audi. The other two, 17618851 and 17618951-A, are TRW numbers from the unit label, which does not explain which component they refer to. Treat them as additional confirmation and compare every character.
List of numbers on this unit
- 5N0614109AF - VAG number of the ABS pump (hydraulic unit), written as 5N0 614 109 AF
- 17618851 - TRW number from the unit label: 17618851
- 17618951A - TRW number from the unit label, ending in -A: 17618951-A
The dot-punched characters on the aluminium block are illegible, and the pump motor only has a small barcode sticker - so use the unit label for comparison. We also have 10 versions of this pump with a different suffix, which makes the letters AF crucial here.
Possible symptoms of a faulty hydraulic unit
It is worth taking a closer look at the ABS unit when you get:
- ABS and ESP/ASR deactivated simultaneously,
- a recorded valve fault code,
- the ABS warning light as soon as the car is started.
First diagnose the car with a scan tool and rule out the parts that cause similar messages - wheel sensors, fuses, the wiring loom with connector and the battery. After replacing the unit, bleeding the brakes is unavoidable; on VAG vehicles the control module quite often has to be coded, and cars with ESP usually need sensor calibration.
Questions about TRW pump 5N0614109AF
| Does this item fit my car? |
|---|
| If you drive an Audi and your part has number 5N0 614 109 AF and the same TRW numbers - yes. We do not give the model. |
| How do you rate the pump's condition? |
| It is an original TRW part: used and working. The warranty period is given in the product features table. |
| I have number 5N0 614 109 with a different letter - can I fit this unit? |
| That cannot be guaranteed, because a different ending may mean a different version of the system. Look for an item with the same letters as in your car. |
| What can I do to be sure before ordering? |
| Send a photo of the unit label from your car or your VIN - we will compare the markings. |
Want to clear up any doubts? Show us the label of your unit in a photo or pass on your VIN - we will judge whether this item will do the job.
