51994084 9GF.TA BC0116762E – ECU ENGINE CONTROLLER FIAT 500 1.2 8V VIRGIN Plug & Play
ECU engine controller 51994084 / 9GF.TA / BC0116762E for FIAT 500 1.2 8V petrol is a fully tested module prepared in VIRGIN Plug & Play condition. This means the unit automatically adapts itself to the vehicle and immobilizer after installation, working like an original factory-installed ECU.
This ECU ENGINE CONTROLLER has been professionally checked and configured for installation. It is the ideal solution when searching by part number 51994084, version 9GFTA or hardware reference BC0116762E. In this type of module, exact number matching is crucial – always compare labels before purchase.
VIRGIN = Plug & Play solution
The VIRGIN version means the internal memory has been reset and prepared for a new vehicle. After installation, the ECU automatically synchronizes with the immobilizer system, making it a true Plug & Play ECU ENGINE CONTROLLER.
Each unit is fully tested before shipping and covered by warranty. This is especially important for Magneti Marelli 9GF.TA ECUs, where proper memory preparation is essential for correct engine operation.
Compatibility
- Part number: 51994084
- Model: 9GF.TA / 9GFTA
- Hardware number: BC0116762E
- Manufacturer: Magneti Marelli
- Application: FIAT 500 1.2 8V petrol
- Engine capacity: 1242cc
- Engine code: 169A4000
- Power: 69 HP / 51 kW
- Production years: approx. 2007–2019
Fits FIAT 500 1.2 8V vehicles originally equipped with ECU 51994084 9GF.TA. Always verify compatibility by part number – model or year alone is not sufficient for ECU selection.
Why part number matching is critical?
For modules like 51994084 9GF.TA BC0116762E, the exact number determines software configuration, equipment compatibility and immobilizer integration. Even similar engines may use different ECU variants.
Common failure symptoms
- engine will not start,
- no communication with diagnostic tool,
- misfires or unstable engine operation,
- internal ECU fault codes,
- engine stalls when warm,
- ignition or injection errors,
- loss of signal from sensors controlled by ECU.
Tested ECU ENGINE CONTROLLER with warranty
The offered 51994084 9GF.TA ECU ENGINE CONTROLLER is ready for installation and professionally prepared. If your original unit has matching numbers, this is a direct and reliable replacement solution.
FAQ – Frequently Asked Questions
Is ECU ENGINE CONTROLLER 51994084 9GF.TA BC0116762E compatible with FIAT 500 1.2 8V?
Yes, this ECU ENGINE CONTROLLER is compatible with FIAT 500 1.2 8V petrol engines when the original unit carries the exact same part number 51994084 and designation 9GF.TA. Always verify the full label including BC0116762E before purchase, as ECU compatibility depends on exact matching, not only engine type or model.
Does 51994084 ECU for FIAT 500 1.2 require programming after installation?
No, the unit is supplied in VIRGIN Plug & Play condition. After installation, it automatically synchronizes with the immobilizer and adapts to the vehicle configuration, meaning no additional coding or programming is required in standard cases.
What vehicles use ECU 51994084 9GF.TA besides FIAT 500 1.2?
This ECU is mainly used in FIAT 500 1.2 8V petrol models, but depending on production batch it may also appear in closely related FIAT small platform vehicles with engine 169A4000. However, compatibility must always be confirmed by part number, not by model similarity.
What does VIRGIN mean for ECU 51994084 9GFTA Magneti Marelli?
VIRGIN means the internal memory of the ECU has been reset to factory-like state. The module behaves like a new unit, allowing it to automatically pair with the immobilizer system and vehicle electronics after installation.
What are typical failure symptoms of ECU 51994084 in FIAT 500 1.2 69HP?
Common issues include no engine start, lack of communication with diagnostic tools, intermittent engine stalling, misfires, injector or ignition errors, and internal ECU fault codes. In many cases, the vehicle may stop working suddenly due to ECU internal failure.
Is BC0116762E hardware number important when replacing ECU?
Yes, the hardware number BC0116762E is part of the full identification. Matching all numbers (51994084 + 9GF.TA + BC0116762E) ensures the highest compatibility and avoids software mismatch issues.
Can ECU 51994084 9GF.TA be installed without diagnostic tools?
In most cases, yes. Since the ECU is prepared as VIRGIN, installation is straightforward and does not require additional diagnostic tools. However, a basic diagnostic check is always recommended after installation.
Will ECU 51994084 work in FIAT 500 1.2 from different production years?
Yes, typically within the range 2007–2019, but only if the part number matches. Even within the same model year, different ECU variants may exist.
Is 9GF.TA the same as 51994084 ECU?
Yes, 9GF.TA refers to the ECU model/type, while 51994084 is the part number. Both must match for proper identification.
Can I replace ECU 51994084 with a different number in FIAT 500 1.2?
No, it is not recommended. Even slight differences in ECU numbers may result in incompatibility with immobilizer, engine management or vehicle electronics.
Does ECU 51994084 support automatic and manual gearbox versions?
This ECU is typically used in manual transmission FIAT 500 1.2 8V. Configuration differences may exist, so matching part number remains the safest method.
Is ECU 51994084 a reliable replacement for faulty FIAT 500 engine controller?
Yes, if properly prepared and tested, it is a reliable replacement solution. The VIRGIN preparation ensures correct adaptation and stable operation.
