What is an Opel Combo B airbag control unit?
The Opel Combo B airbag control unit is the central safety unit in your vehicle, precisely activating all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of an accident. It continuously monitors sensors, stores important crash data, and ensures the proper functioning of all airbag modules for maximum protection.
This electronic module is crucial for the passive safety of the Opel Combo B. It continuously analyzes driving situations and immediately initiates the necessary steps in an emergency.
A professional diagnosis and a possible Opel Combo B airbag control unit repair are essential to ensure the full functionality of the safety system and to optimally protect occupants in the event of an impact.
Why is the Opel Combo B airbag control unit defective?
The Opel Combo B airbag control unit can fail for a variety of reasons, often due to internal component failures, non-erasable crash data after an accident, or communication problems. A failure is often indicated by a permanently illuminated airbag warning light, which requires urgent Opel Combo B airbag control unit repair.
Internal memory corruption or a short circuit in the control unit can often lead to a defect. A faulty or inconsistent power supply can also damage the module.
After an accident, the crash data stored in the control unit must be deleted; if this is not possible due to a defect, professional repair at a specialist workshop is necessary.
Common error codes for Opel Combo B airbag control unit repair
When repairing the Opel Combo B airbag control unit, specific error codes are crucial for identifying the exact cause of a defect. These codes, read during diagnostics, directly indicate problems within the control unit or its electrical circuits that require professional repair.
- B1000: Control unit communication error - The module can no longer communicate with other systems or has failed.
- B0065: Low test current/contact problem in the airbag control module - This indicates resistance problems or loose contacts in the internal test circuit.
- B0021: Airbag control unit diagnostic circuit error (driver airbag loop open) - The control unit detects an open circuit in the driver airbag circuit.
- B0022: Passenger airbag diagnostic circuit error - The control unit reports an error in the passenger airbag circuit.
- B0014: Airbag control module short circuit (general internal fault) - An internal short circuit in the module itself, causing malfunctions.
- B0032: Airbag control module internal error - A generic internal system error that often indicates damage to the control module.
- B0101: Airbag Control Module Power Supply Error - The module is not receiving the correct power supply or there is an internal voltage error.
- B0116: Control Unit Memory Error - Crash Data Not Erasable - Stored crash data cannot be erased, requiring repair or replacement.
- B0086: Control unit internal error detection - A general internal defect detected by the control unit itself.
- 55: Airbag control unit defective (manufacturer-specific error code) - This specific Opel code often indicates a total failure of the airbag control unit.
What part numbers are available for the Opel Combo B airbag control unit repair?
For a successful Opel Combo B airbag control unit repair, accurate identification of the OEM part number is crucial to ensure compatibility. Verified OEM numbers ensure that the replacement part or repair is tailored to the specific model and year of manufacture, preventing repair errors.
- 09114587: Opel (Bosch 5WK4) - Original OEM airbag control unit for Opel Combo B.
- 90486293: GM/Opel - Another verified original OEM part number for the Opel Combo B airbag control unit.
- 834585: Opel - Also an original OEM part number used for the airbag control unit of the Opel Combo B.