Airbag control unit with part number SI-AB-150F1

What is the function of the SI-AB-150F1 airbag control unit?

The SI-AB-150F1 airbag control unit is the central control module for the occupant protection system in the Ferrari LaFerrari F150 (2013–2018). As a Siemens product, it processes signals from crash sensors and controls the deployment of airbags and seatbelt pretensioners to ensure occupant safety in the event of a collision.

This module serves as the brain of the passive safety system. It continuously monitors data from acceleration and pressure sensors distributed throughout the vehicle. In the event of a collision exceeding predefined thresholds, the control unit makes the decision to activate the relevant restraint systems within milliseconds.

The proper functioning of the SI-AB-150F1 is critical, as it not only deploys airbags and seatbelt pretensioners but also communicates with other vehicle systems—for example, to cut off fuel supply or unlock doors.

What defects occur in the SI-AB-150F1?

Typical defects of the SI-AB-150F1 include stored crash data after an accident that prevents reactivation of the system. Other common failure causes are internal electronic faults on the circuit board, communication issues with the sensors, or a permanently illuminated airbag warning light indicating a hardware defect within the control unit itself.

Following a crash, the control unit stores so‑called crash data. This data irreversibly locks the module to prevent reuse of a potentially damaged system. A professional repair can safely erase this data and restore full functionality.

Internal electronic failures are another frequent cause. Individual components such as processors, memory chips, or capacitors on the circuit board may fail. Such defects often result in complete system failure or sporadic malfunctions.

Communication problems between the control unit and peripheral sensors or other control units in the vehicle network can also point to a fault within the airbag module itself. In these cases, the control unit can no longer process signals correctly.

This control unit is also known under alternative part numbers 283337, 6H1-003-412, 5WK48001, and 0 285 001 580. The fault patterns are identical across these variants.

How do you recognize a defect in the SI-AB-150F1?

A defect in the SI-AB-150F1 control unit primarily manifests as a persistently illuminated airbag warning light in the cockpit. Additionally, communication issues may arise, preventing diagnostic tools from accessing the module. In some cases, specific error codes are stored, indicating an internal fault within the control unit.

The most obvious sign is the red airbag warning light (SRS light) that fails to extinguish after the engine starts. This indicates that the entire occupant protection system is disabled and would not deploy in the event of a crash.

Another clear symptom occurs when a workshop’s diagnostic tool cannot establish communication with the airbag control unit. The module no longer responds to requests, suggesting a severe internal hardware failure.

Error codes such as “Internal Control Unit Error” or “Communication Fault” are frequently logged in the fault memory. These directly indicate a problem with the control unit itself, rather than with the sensors or airbags.

In which vehicles is the SI-AB-150F1 installed?

The airbag control unit with part number SI-AB-150F1 and alternative numbers like 283337 or 0 285 001 580 was specifically developed for the Ferrari LaFerrari F150 supercar, produced from 2013 to 2018. Airbag24 offers expert repair services for this highly specialized control unit.

Specifically, this module is used in the following model:

Ferrari: LaFerrari F150 (2013–2018)

Due to the vehicle’s high level of specialization and complexity, professional repair of the original control unit represents the most technically sound and economically viable solution.

How does Airbag24 perform repairs on the SI-AB-150F1?

After submitting the removed control unit to Airbag24, a systematic analysis is conducted to identify the fault. Depending on the defect, repairs may involve erasing crash data, replacing faulty electronic components, or resolving communication issues. Following successful restoration and final functional testing, the device is returned with 2 years’ statutory liability for defects.

The process begins with the proper removal of the control unit from the vehicle. Upon receipt at Airbag24, the module is first inspected using state-of-the-art diagnostic equipment to pinpoint the exact cause of the malfunction.

Following this, the actual electronic repair takes place. Specialized technicians erase stored crash data, replace defective processors or other components on the circuit board, and restore full functionality. The repair ensures that the unit meets the specifications of a new part.

All repairs at Airbag24 are backed by 2 years’ statutory liability for defects, underscoring the quality and durability of the work performed.