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The Bosch numbers are especially important because Bosch is a major supplier to BMW
These numbers refer exclusively to the airbag control unit
U3000 → Control unit error (internal) → Internal defect or damage to the airbag control unit
B1102 → Supply voltage too low → The electrical voltage to the control unit is insufficient
Common causes are internal defects in the memory or problems with the module's power supply
Citroën C4 Picasso II Airbag-Steuergerät Reparatur Select repair type:Control unit defective The Bosch numbers are especiallyWhat is a Citron C4 Picasso II airbag control unit? The Citron C4 Picasso II airbag control unit is the central safety unit that precisely controls all occupant restraint systems, such as airbags and seatbelt pretensioners, in the event of a collision. It receives signals from sensors, evaluates them at lightning speed, and ensures the life saving activation of the vehicle's safety systems. This unit is crucial for passive safety. This module stores
