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A 001 820 21 26 (Mercedes-Benz / Bosch)
underscoring its compatibility for a comprehensive repair
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the control unit stores relevant crash data that can be read out for diagnostic purposes
U1111 00 → Function restricted due to lack of communication with airbag control unit → This communication error code indicates that the control unit is not sending or receiving messages
Peugeot 207 SW I Airbag-Steuergerät Reparatur Select repair type:Control unit defective A 001 820 21 26What is a Peugeot 207 SW I airbag control unit? The Peugeot 207 SW I airbag control unit is the central safety unit in the vehicle, responsible for monitoring and triggering occupant restraint systems such as airbags and seatbelt pretensioners. It receives signals from crash sensors, stores relevant accident information, and ensures the rapid activation of all safety components in an emergency. This electronic control unit, also known as the airbag
