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 ATE 3451678930001 6789301 10020604174 10096008453
Vendors's code: 6789300
Product code: 6789301
Barcode:
Code 39:
ISBN:
£92.69
Price
£92.69
£114.00
Price
£114.00
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ABS pump BMW ATE 3451678930001 6789301 10020604174 10096008453
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Where to find number 3451678930001 on BMW ABS pumps
Used ABS pump with control unit, number 3451678930001, inspected before sale. Matched by the numbers on the block and sticker.
BMW ABS pump: numbers 3451678930001 and 6789301
If the ABS warning light is on in your BMW, one possible cause is the hydraulic module or its control unit. ABS pump 3451678930001 is a used original part, inspected before sale. 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 6789300 01 (catalogue format: 3451678930001), BMW number of the ABS pump (hydraulic part),
- 6789301, BMW number in short form, without the group prefix,
- 10.0206-0417.4 (catalogue format: 10020604174), hydraulic block manufacturer's number,
- 10.0960-0845.3 (catalogue format: 10096008453), control unit number.
Check the numbers on your pump and compare them with those above. If any of them differs, contact us before ordering.
When an ABS module needs replacing
- 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,
- the ABS activates for no reason during normal braking,
- brake fluid leaks from the hydraulic block, which requires immediate action.
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
| Are the make and model of the car enough to choose the part? |
|---|
| No. A single model comes with different versions of the module, depending on the engine, year of manufacture and drivetrain. The most reliable reference is the number on the original pump. |
| 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. |
| Do the brakes need bleeding after replacing the module? |
| If the brake lines are disconnected during fitting, the system must be bled. The fault codes in the control unit usually need to be cleared as well. |
| 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. |
Not sure about the match? Send us a photo of the numbers on your ABS pump and we will check whether this module will fit.
