Airbag control unit with part number 277245

What is the function of Airbag Control Unit 277245?

The airbag control unit with part number 277245 is the central control module for the occupant protection system in the Ferrari 458 Italia (F142). It processes data from acceleration and seatbelt force sensors to ensure precise, timely deployment of airbags and belt tensioners in the event of a crash.

Technically, it serves as an AIRBAG ECU (Electronic Control Unit) and is responsible for monitoring all safety‑related components of the restraint system. Its primary task is to detect a collision and activate the appropriate restraint devices.

This control unit is model‑specific to the Ferrari 458 Italia of the F142 series (approximately model years 2009–2015). For this vehicle, it is hardware‑identical or interchangeable with the alternative OE reference number 220244103.

Why does control unit 277245 fail?

The most common cause of failure for control unit 277245 is the storage of crash data after an accident. Even minor collisions where not all airbags deploy can result in internal locking of the module. Other potential defects include internal electronic malfunctions or communication issues.

Following a collision, a permanent crash record is stored in the control unit’s internal EEPROM memory. This entry locks the module’s functionality and cannot be cleared using standard diagnostic tools, necessitating professional repair or reset procedures.

Beyond accidents, internal electronic faults may also occur. These include power supply errors, defective memory chips, or signal‑processing problems that prevent the safe operation of the occupant protection system.

Another possible issue is complete loss of communication. In such cases, the control unit becomes unreachable via the diagnostic interface, making on‑vehicle fault analysis impossible and indicating a direct defect within the module.

How do you recognize a defect in Airbag Control Unit 277245?

A defective Airbag Control Unit 277245 typically manifests as a continuously illuminated airbag warning light on the Ferrari 458’s instrument cluster. Additionally, specific entries such as “Crash Data Stored” or “Internal Control Unit Error” may appear in the fault memory.

The primary and unmistakable symptom is the persistent activation of the airbag warning light. It fails to extinguish after starting the vehicle, signaling a serious malfunction in the occupant protection system and compromising operational safety.

Even after professionally replacing deployed components like belt tensioners or knee airbags, the warning light remains active. This occurs because the crash data stored in the control unit has not been erased, continuing to block system functionality.

During workshop diagnostics, the control unit may refuse communication altogether. The diagnostic tester cannot establish a connection, often pointing to a severe internal defect within the module.

In which vehicles is control unit 277245 installed?

Part number 277245 is specifically assigned to the Ferrari 458 Italia. At Airbag24, this control unit—alongside the alternative OE reference 220244103—is professionally refurbished for this highly specialized vehicle model.

The repair service at Airbag24 covers the airbag control unit for the following model:

Ferrari 458 Italia, F142 series (approximately model years 2009–2015)

How is control unit 277245 repaired?

Repair of control unit 277245 at Airbag24 is designed as a mail‑in service. After removal by a qualified workshop, you send us the module. Our technicians erase the stored crash data and rectify any electronic faults before returning the tested unit.

Beforehand, a specialist workshop should confirm through diagnostics that the root cause of the issue lies within the control unit itself, rather than external components such as wiring or sensors.

Following removal, the control unit is securely packaged and shipped to Airbag24 along with a detailed fault description. This allows our technicians to precisely analyze and resolve the problem.

The core of the repair involves resetting the memory—that is, erasing the crash data. If necessary, additional electronic components on the circuit board are also restored to fully reinstate functionality.

After successful repair, the control unit undergoes a functional test on a dedicated test bench. Only upon passing this test is it approved for return shipment. We provide 2 years' statutory liability for defects on all repairs performed.

Is repairing control unit 277245 worthwhile?

Yes, repair represents the most cost‑effective solution. Compared to purchasing an expensive new unit or a used replacement whose history remains unknown, refurbishment delivers substantial cost savings. Moreover, it preserves the original vehicle coding, avoiding subsequent expenses.

The cost of a new airbag control unit for a Ferrari 458 ranges in the high three- to four-digit euro bracket. Even used modules often trade for between 450 and 900 euros. Repair, by contrast, is significantly more affordable.

A key technical advantage is retaining your vehicle’s original programming. Since your original control unit is repaired, there’s no need for time-consuming and costly re‑coding at the workshop. Once reinstalled, the unit is immediately fully functional again.

You receive 2 years' statutory liability for defects on the professional refurbishment, ensuring that a tested, fully functional original part remains in your vehicle—preserving both its value and safety.