ECU ENGINE CONTROLLER Fiat 500L 1.4 55253697 0261S07817 VIRGIN Plug & Play
The offered ECU ENGINE CONTROLLER 55253697 / 0261S07817 is a fully tested unit prepared in VIRGIN mode, ensuring fast installation without coding. After installation, the ECU automatically adapts to the vehicle – simply plug it in and start the engine.
Key product features
- Part number: 55253697
- Bosch number: 0261S07817
- Condition: used, fully tested, 100% working
- Version: VIRGIN – Plug & Play
- No coding, programming or PIN required
- Automatic immobilizer synchronization
- Start-up warranty included
Application – ECU ENGINE CONTROLLER 55253697 compatibility
This ECU is suitable for Fiat Group vehicles equipped with 1.4 16V petrol engines. Compatibility must always be verified by part number.
- Fiat 500L 1.4 16V – approx. 2012–2018
- Fiat 500 1.4 petrol
- Fiat Punto / Punto Evo 1.4 16V
- Fiat Tipo 1.4 petrol
- Lancia Ypsilon 1.4 16V
Common engine codes:
- 350A1000
- 198A4000
- Other 1.4 16V FIRE variants
IMPORTANT: The only reliable way to match this ECU is by part number: 55253697 / 0261S07817. Visual appearance or additional markings are not relevant.
Typical symptoms of ECU failure
- Engine does not start
- No communication via OBD diagnostics
- Immobilizer errors / CODE warning light
- Irregular engine operation
- Random sensor faults despite working components
FAQ 55253697 – Frequently Asked Questions
Does ECU 55253697 for Fiat 500L 1.4 require coding after installation?
No – this ECU is supplied in VIRGIN Plug & Play mode, meaning no coding, programming or adaptation is required.
Is ECU 0261S07817 compatible with Fiat Punto Evo 1.4 16V?
Yes, as long as the part number 0261S07817 matches exactly. Always verify compatibility by part number.
How to identify a faulty ECU 55253697?
Common signs include lack of OBD communication, immobilizer faults, or engine not starting despite correct power supply and wiring.
Will ECU 0261S07817 work in Fiat 500 1.4 petrol without PIN?
Yes – VIRGIN version does not require a PIN code. The ECU automatically synchronizes with the vehicle.
Can ECU 55253697 be installed in Lancia Ypsilon 1.4?
Yes, if the part number matches. Always confirm compatibility using 55253697 or 0261S07817.