What is an Alfa Romeo Giulia 105 airbag control unit?
The Alfa Romeo Giulia 105 airbag control unit is the central safety unit in the vehicle, which activates the occupant restraint systems such as airbags and seatbelt pretensioners in the event of a collision. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all safety-relevant airbag modules.
It processes signals from collision sensors, seat belt pretensioners, and seat occupancy sensors to specifically control airbag deployment. The module is coded for each vehicle and linked to the VIN (vehicle identification number) to ensure proper function. After an accident or system failure, this module can be repaired or reprogrammed to restore safety functions and deactivate the airbag warning light.
Why is the Alfa Romeo Giulia 105 airbag control unit defective?
The Alfa Romeo Giulia 105 airbag control unit often malfunctions because it stores crash data after an accident, requiring a reset or repair, or because internal components are subject to wear and tear. A communication error with other vehicle systems or a software problem can also cause failure, activating the airbag warning light.
After an impact, the control unit stores indelible crash data, requiring repair or replacement to restore the systems. Internal circuit damage or memory errors can impair functionality, often generating an internal error code. Occasionally, a power interruption or communication problem with the sensors can also damage the airbag control unit. Such defects require professional diagnosis and appropriate repair of the Alfa Romeo Giulia 105 airbag control unit at a specialist workshop.
Common error codes for Alfa Romeo Giulia 105 airbag control unit repair
When repairing the Alfa Romeo Giulia 105 airbag control unit, error codes often indicate internal problems or communication issues with the control unit itself, not with sensors. These B-codes indicate crash data storage errors, corrupted memory areas, or power supply issues that require professional diagnosis and repair.
- B1000 → Control unit communication error → Error in data transmission between ECU and other modules.
- B1010 → Airbag control unit power supply fault → Problems with the voltage or power supply to the module.
- B1030 → Internal error in the airbag control unit → Damage to the internal hardware or software of the control unit.
- B1050 → Memory Error / Corrupted Memory → Data corruption or problems in the internal memory.
- B1100 → Crash data storage error → The control unit has registered an accident and permanently stored crash data.
- B1140 → Communication error with airbag sensors → The control unit cannot communicate correctly with the connected sensors.
What part numbers are available for the Alfa Romeo Giulia 105 airbag control unit repair?
For Alfa Romeo Giulia 105 airbag control unit repairs, specific, original OEM part numbers are essential, as these modules are vehicle-specific. Only exact numbers that clearly match the control unit and do not affect sensors or other components have been verified.
The only validated, exact OEM part numbers for the Alfa Romeo Giulia 105 airbag control unit are:
- 59001157 (Alfa Romeo Original OEM) – This number is confirmed as the original control unit number for the Giulia.
- 50567774 (Alfa Romeo Original OEM) – An OEM number of the airbag control unit specifically for Alfa Romeo Giulia.
- 60675880 (Alfa Romeo / Bosch Supplier OEM) – An OEM number provided by Alfa Romeo, which is also associated with Bosch as a supplier.
These part numbers have been confirmed multiple times and are crucial for the correct performance of the Alfa Romeo Giulia 105 airbag control unit repair. There are no verifiable alternative or replacement numbers from other manufacturers for this model.