What is a Citroën C4 SpaceTourer II airbag control unit?
The Citroën C4 SpaceTourer II airbag control unit is the central safety unit in the vehicle. It continuously monitors all occupant restraint systems, such as airbags and seatbelt pretensioners. In the event of an accident, it detects the impact force in milliseconds and precisely activates the necessary protection systems to optimally protect the occupants and prevent serious injuries.
This essential module stores important crash data and is responsible for the self-diagnosis of the airbag system.
A functioning unit is crucial for the passive safety of your Citroën C4 SpaceTourer II and ensures the correct functioning of all connected components.
Why is the Citroën C4 SpaceTourer II airbag control unit defective?
The Citroën C4 SpaceTourer II airbag control unit may be defective because it stores crash data after an accident, causing the system to lock. Internal hardware errors, short circuits, or low voltage can also lead to failure. The airbag warning light then illuminates continuously, completely disabling the vehicle's safety system.
Common causes of failure include water ingress or power surges, which can damage sensitive electronics.
A defective airbag control unit must be repaired or replaced immediately to restore full safety and correct any failure.
Common error codes for Citroën C4 SpaceTourer II airbag control unit repair
During Citroën C4 SpaceTourer II airbag control unit repairs, specific error codes occur that directly indicate problems with the control unit itself. These codes help specialist workshops identify the exact cause of the defect and take targeted measures to restore system functionality.
Diagnosis of the airbag system always begins with reading these error codes.
They provide information about communication problems or internal damage to the control unit and are crucial for a precise diagnosis.
- B1000 → Control unit communication error → Internal fault of the airbag control unit or communication problem in the CAN bus.
- B0028 11 → Front right side airbag cable short circuit to ground → Short circuit in the supply line to the airbag module, recognized as relevant by the control unit.
What part numbers are available for the Citroën C4 SpaceTourer II airbag control unit repair?
For Citroën C4 SpaceTourer II airbag control unit repairs, several specific OEM part numbers are relevant to ensure exact compatibility. These include both original Citroën numbers and those from the primary supplier Bosch, all of which are directly related to the airbag control unit for this vehicle model.
Knowing the correct part number is crucial for sourcing the right replacement part or professionally repairing the existing module.
These numbers are stored in professional parts catalogs and diagnostic systems, confirming their validity for the Citroën C4 SpaceTourer II and serving as a reference for any workshop performing a Citroën C4 SpaceTourer II airbag control unit repair.
Verified OEM part numbers for the Citroën C4 SpaceTourer II airbag control unit:
9807547380 (Citroën Original): A frequently listed and verified genuine part number for the airbag control unit of the C4 SpaceTourer II.
9675027180 (Citroën Original): Another official Citroën part number used specifically for airbag control units on this model.
9812824480 (Bosch OEM supplier / Bosch 0285012934): The Bosch part number indicates Bosch as the primary OEM supplier for airbag control units in PSA vehicles.