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 BMW TRW 34515A5F9F7 5A5F9F9
Vendors's code: 5A5F9F7
Product code: 7DD1-20404
Barcode:
Code 39:
ISBN:
€284.55
Price
€284.55
€350.00
Price
€350.00
Ask about the product
ABS pump BMW TRW 34515A5F9F7 5A5F9F9
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Will ABS pump 34515A5F9F7 fit your BMW?
Used ABS pump with control unit, number 34515A5F9F7, inspected before sale. Matched by the numbers on the block and sticker.
BMW ABS pump 34515A5F9F7: hydraulic module with control unit
This module is made by TRW. ABS pump 34515A5F9F7 is sold together with its control unit, just as it is fitted to BMW cars. The listing does not state the car model or year, so we do not give them here and match the part by its numbers.
Where to find the numbers on an ABS pump
Below are the numbers as they appear on the labels, together with the single-string form used in catalogues:
- 3451 5A5F9F7 (catalogue format: 34515A5F9F7), BMW number of the ABS pump (hydraulic part),
- 5A5F9F9, BMW number in short form, without the group prefix.
The full numbers matter, including their endings. If in doubt, send us a photo of your pump.
What ABS problems can point to
- valve or pump motor faults are stored in the control unit memory,
- the ABS activates for no reason during normal braking,
- brake fluid leaks from the hydraulic block, which requires immediate action,
- the ABS switches itself off shortly after the engine is started.
It is worth reading the fault codes and checking the sensor wiring before replacement. Fitting and bleeding the brake system are usually carried out by a garage with the right equipment.
Questions and answers
| What is the difference between numbers 34515A5F9F7 and 5A5F9F9? |
|---|
| The module carries several numbers, because it is identified both by the car brand and by the manufacturer of the block and control unit. When matching the part, compare all the numbers. |
| 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 a lit ABS warning light always mean a faulty pump? |
| No. Read the fault codes first, because the cause may be a wheel sensor, its wiring or too low a supply voltage. |
| What condition is this ABS module in? |
| It is an original recycled part in good condition, checked by us. Warranty details are in the product features table. |
Want to be certain? Send us the numbers from the block and sticker on your ABS pump, and together we will check whether this part will fit.
