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 0265233335 51753652 0265900321
Vendors's code: 0265900321
Product code: 51753652
Barcode:
Code 39:
ISBN:
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Do the numbers 0265233335 and 0265900321 match your ABS unit?
A used, working, original ABS pump with control module from an Alfa Romeo. Alongside the two Bosch numbers, the listing gives part number (OEM) 51753652. Selection is by part numbers.
Alfa Romeo ABS pump and control module unit - Bosch 0265233335, 0265900321
An ABS unit for the Alfa Romeo brand, used, working, original. We do not state the model - selection by part numbers. The identification scheme is simple: two Bosch numbers with the 0265 prefix and part number (OEM) 51753652. In units of this type the pump and control module work as a single whole, so the numbers should be read together. One matching number while the others differ is not enough.
List of numbers to compare
- 0265233335 - Bosch, main number in the title: 0 265 233 335
- 51753652 - part number (OEM): 51753652
- 0265900321 - Bosch, second number with the 0265 prefix: 0 265 900 321
Entries with the 0265 prefix come from Bosch numbering. We treat number 51753652 neutrally as a part number (OEM), without assigning it to a specific element of the unit.
Situations in which the unit may be needed
The search usually begins with these symptoms:
- the ABS warning light comes on and no longer goes out,
- diagnostics cannot establish communication with the ABS module,
- the ABS system stops responding during emergency braking,
- the control module reports a fault even though the wheel sensors are working.
Replacing the unit is the last step. Beforehand, check the supply voltage, the condition of the connectors and sensor wiring, and the fault log. After fitting, bleed the brakes and ask your workshop whether the control module needs adapting to the vehicle.
Technical questions
| Which number in the listing is the most important? |
|---|
| We take 0265233335 as the main one, but all three are used for selection: two Bosch and OEM number 51753652. |
| Can I select the unit by the car model alone? |
| No, we do not state the model. Selection is by part numbers, not by model name. |
| Is the unit in working order? |
| Yes, it is used, working and original. You will find details of the warranty period in the product features table. |
| Does the set include separate pump and control module numbers? |
| We do not assign the numbers such roles. We give the three numbers from the listing and recommend comparing all of them. |
Unsure about the numbers? Get in touch with the numbers as they are written on your part, and we will check them against this listing.