What is an Infiniti FX50 S51 airbag control unit?
The Infiniti FX50 S51 airbag control unit is your vehicle's central safety unit, tirelessly monitoring all sensors and instantly deploying the airbags and seatbelt pretensioners in the event of an accident. It also stores important crash data and is essential for the proper functioning of the entire restraint system, so the Infiniti FX50 S51 airbag control unit repair restores safety.
This sophisticated, microcontroller-based platform is specifically designed to process rapid sensor impulses during impact events. It plays a critical role in the passive safety of all occupants in the Infiniti FX50 S51.
The control unit is powered by the 12V vehicle electrical system and communicates seamlessly with the vehicle's network via a CAN bus interface. It is robustly built to function reliably even under extreme conditions.
Why is the Infiniti FX50 S51 airbag control unit defective?
The Infiniti FX50 S51 airbag control unit often fails because it stores crash data after an accident that can't be easily erased, or because internal components fail due to age. These "hard codes" or an internal malfunction then lead to the persistent activation of the airbag warning light, necessitating an Infiniti FX50 S51 airbag control unit repair.
A common cause of malfunction is the storage of so-called crash data, which is permanently stored in the control unit after an airbag deployment or a significant impact. This data prevents the system from being restarted.
Internal electronic defects, such as faulty capacitors or processors, can also lead to failure and cannot be repaired without specialized tools. Communication errors in the CAN bus system can also indicate a defect in the control unit itself.
Common error codes for Infiniti FX50 S51 airbag control unit repair
During an Infiniti FX50 S51 airbag control unit repair, specific error codes often occur that indicate problems with the airbag control unit itself, rather than with sensors or other components. These codes typically signal communication problems, internal malfunctions, or crash data stored in the module.
- B1000 : Control unit communication error → The airbag control unit cannot communicate correctly with other systems.
- B1015 : Airbag control unit malfunction → A general malfunction or an internal defect has occurred in the airbag control unit.
- B1049 : Control unit error (typically clockspring/spiral cable) → A problem that often points to the control unit itself or its connection to the steering wheel.
- B1054 : Control unit error (similar to B1049) → Similar to the B1049 code, indicates an internal error of the control unit or its peripherals.
- B1018 : Control Unit Error → Another general error code that indicates a malfunction within the airbag control unit.
- B1139 : Control unit error (more detailed description not available) → This code is often documented in connection with serious, internal defects of the airbag control unit.
After an accident, airbag control units often store permanent crash data that blocks the system and requires an Infiniti FX50 S51 airbag control unit repair to clear it and restore the module to operation.
What part numbers are available for the Infiniti FX50 S51 airbag control unit repair?
Unfortunately, a precisely verified, publicly available OEM part number for the Infiniti FX50 S51 airbag control unit cannot be found from open sources, as these are very specific and manufacturer-specific. Infiniti FX50 S51 airbag control unit repairs often require a VIN-based query from an authorized dealer or access to professional databases.
While Infiniti lists airbags and other electrical components, it does not list directly traceable control unit part numbers specifically for the FX50 S51 model in publicly accessible catalogs. This makes open procurement significantly more difficult.
To determine the correct part number for your airbag control unit, we strongly recommend contacting an Infiniti dealer directly and having your vehicle's vehicle identification number (VIN) ready. Alternatively, specialized workshops with access to databases such as TecAlliance can assist with this.
The control unit type number is often also noted directly on the component itself, which is a valuable source of information for Infiniti FX50 S51 airbag control unit repairs. This number can then be used for a specific replacement or repair.