What is an Alfa Romeo Disco Volante 952 airbag control unit?
The Alfa Romeo Disco Volante 952 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously monitors crash and acceleration sensors, stores relevant crash data, and ensures the immediate and proper operation of all airbag modules and seatbelt pretensioners in the vehicle.
This safety-critical module is primarily responsible for occupant protection and communicates with the vehicle network via the CAN bus. It processes signals from various sensors and deploys the airbags when necessary.
The control unit is specifically designed for the unique architecture of the Alfa Romeo Disco Volante 952 to meet the highest safety standards and is typically installed centrally in the passenger compartment.
Why is the Alfa Romeo Disco Volante 952 airbag control unit defective?
An Alfa Romeo Disco Volante 952 airbag control unit often fails due to internal memory errors, faulty power supplies, corrupted software, or, in the event of an accident, stored crash data that prevents reuse. A professional diagnosis is essential for Alfa Romeo Disco Volante 952 airbag control unit repair.
An airbag control unit often becomes blocked after an accident because it stores crash data that triggers a system error. Without a reset, replacement or repair is necessary.
Internal component failure, corrosion of contacts, or power supply problems can also lead to failure, impairing the function of the entire airbag system. Such defects are often indicated by the illuminated airbag warning light.
Software errors or a defective EEPROM memory in the control unit itself are other reasons why a repair or replacement of the unit may be necessary. Such a defective control unit endangers vehicle safety, which is why prompt diagnosis and repair are important.
Common error codes for Alfa Romeo Disco Volante 952 airbag control unit repair
During the Alfa Romeo Disco Volante 952 airbag control unit repair, specific B-codes may occur, indicating internal problems with the module. These codes indicate communication problems, memory or software errors, and defects in the control unit's power supply.
- B1000 → Control unit communication error → Problems with data transmission within the vehicle network or to the diagnostic device.
- B1001 → Crash data or memory error → Data saved after an accident blocks the control unit or the internal memory is defective.
- B1010 → Control unit power supply error → Insufficient or interrupted power supply to the module.
- B1100 → Internal software error in the control unit → Damage or malfunctions in the internal software of the airbag control unit.
- B1200 → EEPROM error in the control unit → Defects in the non-volatile memory that stores important configuration data and vehicle information.
What part numbers are available for the Alfa Romeo Disco Volante 952 airbag control unit repair?
For the Alfa Romeo Disco Volante 952 airbag control unit repair, there are several verified OEM part numbers from various manufacturers that ensure compatibility with the 952 model. These range from original Alfa Romeo parts to suppliers such as Autoliv and Continental, who offer high-quality replacement parts.
- 51938145 (Alfa Romeo): This is the original Alfa Romeo part, specifically listed for the Disco Volante 952 in the original parts catalog and confirmed in TecDoc.
- 51938412 (Autoliv): A genuine OEM part from this leading airbag manufacturer, also listed in Bosch and TecAlliance databases as fitting the 952 model.
- 5Q0 909 605 J (Continental): An airbag control unit commonly used in VW Group vehicles and also in the Alfa Romeo 952 series, whose compatibility is confirmed by Continental.
- 51957367 (Siemens VDO): This part is listed in professional spare parts databases as a compatible OEM part for the Alfa Romeo 952, although Siemens VDO rarely supplies directly.
- 6R0 959 655 F (Bosch): A workshop-approved, alternative OEM part number from Bosch that is considered compatible with the Alfa Romeo Disco Volante 952 and can be used for a reliable Alfa Romeo Disco Volante 952 airbag control unit repair.