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 Alfa Romeo Bosch 0265225268 51721792 0265950121
Vendors's code: 0265950121
Product code: 51721792
Barcode:
Code 39:
ISBN:
€121.95
Price
€121.95
€150.00
Price
€150.00
Ask about the product
ABS pump and control module Alfa Romeo Bosch 0265225268 51721792 0265950121
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What to check on your Alfa before you decide on ABS unit 0265225268?
The fault first, then the numbers: 0265225268, 51721792 and 0265950121. The pump and control module unit is used, working and original.
Alfa Romeo ABS unit 0265225268 - a five-move inspection plan
Buying an ABS unit is best preceded by a short procedure. Move one: note what the warning lights are doing. Move two: read the fault codes. Third: check the sensors and wiring. Fourth: ask yourself whether the unit is under suspicion. Fifth: compare the numbers with the list below. The listing is for the Alfa Romeo brand. We do not state the model - selection by part numbers. The part is used, but working and original.
Move five - the numbers in the listing
- 0265225268 - Bosch number: 0265225268
- 51721792 - part number (OEM): 51721792
- 0265950121 - Bosch number: 0265950121
Three entries, two of them from Bosch (they start with 0265). We give number 51721792 as an OEM number, without indicating which part it refers to. It is written in the title without spaces or dots; check that format in catalogues.
Moves 1-4: symptoms and initial diagnosis
The situations below often point to an ABS unit, but they do not settle the matter of replacement:
- the ABS warning light stays on after every start,
- the ABS works only at times and then drops out,
- a brake system assist failure message appears on the dashboard,
- the fault read-out points to the pump, a valve or the module.
Before you start looking for the part, look at the wheel sensors and their wiring. Check the fuses and connectors. As a general rule, replace the unit only once these elements are in order. When fitting, remember to bleed the brakes. Leave any coding to the workshop.
Questions asked when buying
| How many numbers must match? |
|---|
| Ideally all three: 0265225268, 51721792 and 0265950121. One number is not enough to be sure. |
| Is number 0265225268 the same as 0 265 225 268? |
| Yes. It is the same number written with spaces and as a continuous string. |
| How do I tell that the problem is not in the sensors? |
| Read the fault codes with a tester and check the sensor wiring. If these are in order and the fault concerns the module, you come back to the unit. |
| Can I order without knowing the model? |
| Yes, but only after checking the numbers. We do not state the model in the listing. |
Not sure about one of the numbers? Get in touch before buying and we will help you compare it.
