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 X1 Bosch 0265236446 6768550 0265951785
Vendors's code: 6768550
Product code: 0265951785
Barcode:
Code 39:
ISBN:
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Does ABS pump 0265236446 come complete with the control unit?
ABS pump 0265236446 complete with control unit, used and inspected. Compare the numbers with the original in your car.
Used BMW X1 ABS pump with number 0265236446
This is a used original ABS pump with a control unit for BMW X1 cars: an aluminium hydraulic block with valves and a pump motor, with the electronics bolted to it. The main number is 0265236446, and the other numbers from the labels are listed below. According to the listing, the pump comes from the BMW X1 model.
Part number 0265236446 and related numbers
You will find the numbers on the labels, while catalogues list them as a single string:
- 6768550, BMW number in short form, without the group prefix,
- 0 265 236 446 (catalogue format: 0265236446), hydraulic block manufacturer's number,
- 0 265 951 785 (catalogue format: 0265951785), 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 ABS stops working, although basic braking usually remains functional,
- the pump motor switches on at unusual moments or runs louder than usual,
- brake fluid leaks from the hydraulic block, which requires immediate action.
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
| 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. |
| Can I send a photo for a compatibility check? |
| Yes. Contact us and send a photo of the numbers on your original pump, and we will help you check whether this module will fit. |
| 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 certain this is the right module? Send us the numbers from the label on your pump and we will help you compare them.