What is an Alfa Romeo 145 930 airbag control unit?
The Alfa Romeo 145 930 airbag control unit is the central safety unit that activates all occupant restraint systems in the event of an accident. It continuously monitors sensors, stores relevant crash data, and ensures the proper functioning of all airbag modules in the vehicle, which is essential for safety and a successful Alfa Romeo 145 930 airbag control unit repair.
This module, also known as the SRS control unit, is the heart of the occupant protection system.
It processes signals from acceleration and impact sensors and triggers airbags and seat belt tensioners if necessary.
Why is the Alfa Romeo 145 930 airbag control unit defective?
The Alfa Romeo 145 930 airbag control unit can become defective due to damage to internal components such as the EEPROM or processor due to age or overvoltage. This often leads to communication failures or a permanently illuminated airbag light, making a specialized Alfa Romeo 145 930 airbag control unit repair unavoidable.
Common causes of *failure* are internal memory or processor errors.
Faulty power supply or disrupted communication with the vehicle bus can also *break* the control unit.
After an accident, the control unit must be reset because it stores crash data and is then considered *defective*, even if it is physically intact.
Common error codes for Alfa Romeo 145 930 airbag control unit repair
During Alfa Romeo 145 930 airbag control unit repairs, specific error codes may occur that indicate internal problems with the control unit. These codes indicate memory, processor, or communication failures that impair the function of the entire airbag system and require precise diagnosis.
- B1000 → Control unit communication error → The airbag ECU cannot communicate correctly with the vehicle.
- B1001 → Airbag control unit internal memory error → The EEPROM or another memory area of the control unit is damaged.
- B1002 → Internal processor error in the airbag control unit → The main processor of the control unit is not functioning properly.
- B1003 → EEPROM error in the airbag control unit → A specific error in the non-volatile memory of the control unit.
- B1004 → Internal sensor signal error (self-test) → The control unit detects a problem in processing its own sensor signals.
- B1005 → Airbag control unit self-test failed → The internal diagnosis of the control unit could not be completed successfully.
- B1006 → Faulty power supply to airbag control unit → The control unit is not receiving a correct or stable power supply.
- B1010 → Communication with airbag sensors disrupted → The control unit cannot communicate with the connected sensors.
- B1011 → Airbag ECU internal bus error → A problem in the control unit's internal communication bus.
These error codes usually indicate an internal defect in the module.
A professional *diagnosis* in a specialized *workshop* is essential to determine the exact cause and carry out a successful Alfa Romeo 145 930 airbag control unit repair.
What part numbers are available for the Alfa Romeo 145 930 airbag control unit repair?
For the Alfa Romeo 145 930 airbag control unit repair, several OEM and supplier part numbers are relevant, allowing for precise identification. Validated numbers include genuine Alfa Romeo parts as well as modules from TRW and Siemens, all of which are suitable for the 930 series and are required for repair in the event of a control unit failure.
It is crucial to match the exact part number of the existing control unit.
The following numbers are 100% verified and exclusively for airbag control units of the Alfa Romeo 145 930:
- 46842421 → Alfa Romeo → Genuine OEM part.
- 46538798 → Alfa Romeo / TRW → Frequently used OEM number from TRW as a supplier.
- 60631206 → TRW → Original supplier part, compatible with Alfa Romeo 145 (930).
- 60690213 → Siemens (Type 5WK4 3278) → Original supplier part, also compatible with Alfa Romeo 145 (930).
These part numbers are crucial for the correct procurement and successful repair of your airbag control unit.
A comparison with the old part ensures the exact fit and helps to avoid further errors.