What to know about ECU 0261201759
On this page you can buy a Bosch engine ECU – Bosch number 0261201759, OEM number 51819961F – intended for Fiat 500. It is a used unit, but working and tested.
How to check compatibility
The safest way is to compare the stickers. Your ECU should show numbers 0261201759 (Bosch) and 51819961F (OEM). This unit is intended for Fiat 500, but the number decides, not the model.
What to know before fitting
No programming: once plugged in, the Virgin version codes itself to the car and immobiliser – as long as the numbers match and the immobiliser works.
Before dispatch, the unit is tested on the bench and in our test car.
Cloning on request – free of charge: send us your damaged ECU or its files and we will transfer the data to this unit.
The warranty is 6 months.
When should the ECU be replaced?
The most common symptoms:
- no communication with the ECU during diagnostics,
- the engine does not start, no spark or no injector control,
- rough running, misfires,
- no power supply to the ECU although the fuses are fine.
These symptoms can also have other causes – wiring, power supply or sensors. Run a diagnosis before buying.
Numbers to compare
- Bosch number: 0261201759
- OEM number: 51819961F
The full range is in the Fiat engine ECU category, and this manufacturer’s ECUs are collected on the Bosch page.
Frequently asked questions about ECU 0261201759 51819961F
Does ECU 0261201759 fit my Fiat 500?
Compare the label of your ECU: Bosch number 0261201759 and OEM number 51819961F. If both match, the ECU fits – the car model alone does not decide this.
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Can I clone my old ECU?
Yes, free of charge on request. Send us your damaged ECU or its files and we will transfer the data to ECU 0261201759.
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Does ECU 0261201759 need programming?
No. In the Virgin version, the ECU codes itself to the car and immobiliser. A working immobiliser and matching numbers are required.
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