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 3451689823901
Vendors's code: 689823901
Product code: 3451
Barcode:
Code 39:
ISBN:
€569.11
Price
€569.11
€700.00
Price
€700.00
Ask about the product
ABS pump BMW TRW 3451689823901
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Price 30 euros applies shipments to 5 kg on worldwide. Above this weight, please contact us by email to check price
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Where to find number 3451689823901 on BMW ABS pumps
ABS pump 3451689823901 complete with control unit, used and inspected. Compare the numbers with the original in your car.
How to identify ABS pump 3451689823901 for your BMW
The hydraulic block and control unit of this ABS pump form a single module that works with the wheel speed sensors in BMW cars. You will find number 3451689823901 on the label, and the full set of numbers is given in the description below. The listing does not state the car model or year, so we do not give them here and match the part by its numbers. The listing gives the markings HYBRID. They help tell the module versions apart, but the full part number is what decides compatibility.
Numbers to compare
Below are the numbers as they appear on the labels, together with the single-string form used in catalogues:
- 3451 6898239 01 (catalogue format: 3451689823901), BMW number of the ABS pump (hydraulic part).
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
What ABS problems can point to
- the ABS warning light comes on after the engine is started and stays on,
- the pump motor switches on at unusual moments or runs louder than usual,
- brake fluid leaks from the hydraulic block, which requires immediate action,
- the ABS warning light comes on together with the stability control warning light.
First check the wheel sensors, their wiring and the supply voltage. Only a fault code pointing to the module justifies replacing the pump. After fitting, clear the fault codes and, if necessary, bleed the brake system.
Questions and answers
| Which car model does this pump fit? |
|---|
| The listing does not state a model or year, so confirm compatibility with the number from the original pump in your car, or send us a photo of 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 do the markings HYBRID in the listing mean? |
| They are markings of the module version or type. They help tell the units apart, but the full part number is what decides compatibility. |
| What condition is this pump in? |
| It is a used original part, 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 block and sticker on your ABS pump and we will check that the numbers match.
