Airbag unit (SRS control unit) for Citroën C2, C3 and C3 Pluriel. Original PSA part, ideal replacement in case of “Airbag fault” or damage to the original unit. You can use it during repairs after an accident and when solving an internal malfunction of the control unit.

Key benefits
– Original PSA unit – correct communication with the car’s electronics and connected sensors/pretensioners
– Suitable for Citroën C2, C3 and C3 Pluriel cars according to the listed OEM numbers
– Solving frequent problems: SRS internal error, unit not communicating, airbag error message on the instrument panel

Compatibility by OEM numbers
– Main unit number: 9647794280
– Spare/service PSA numbers: 654581, 654582, 6546H2, 654689
Note: PSA uses multiple numbers for identical or interchangeable revisions. Always compare the unit label to your original part before purchasing.

Car models
– Citroën C2 (JM) – according to equipment and year of manufacture
– Citroën C3 (FC/FN) – according to equipment and year of manufacture
– Citroën C3 Pluriel (HB) – according to equipment and year of manufacture
Recommendation: verify compatibility by VIN or exact match of OEM numbers on the label is most reliable.

Technical information
– Part Type: Airbag Control Unit (SRS/ACU)
– Power supply: 12 V on-board network
– Communication: depending on the car version (PSA architecture; management of airbags, pretensioners and impact sensors)
– Connectors: multi-pin sockets (number and color may vary by revision)
– Location in the vehicle: usually center tunnel/console under the dashboard (may vary by model and year of manufacture)
– Body material: die-cast aluminum with electronic module

Condition and origin
– Used original part from a PSA car. Condition corresponds to use – refer to photos and numbers on label.
– The offer includes the airbag control unit itself without mounting material.

Assembly, coding and commissioning
– Disconnect the negative battery terminal and wait at least 10 minutes (discharging the SRS capacitors) before mounting.
– The unit may require deletion of “crash data” and coding for a specific vehicle (equipment configuration: number of airbags, belt pretensioners, etc.).
– Recommended tools: PSA diagnostics DiagBox/Lexia/PP2000.
– Entrust installation and work on the SRS to an expert – it is a safety system.

How to choose correctly
– The most reliable is the matching of the complete part number (e.g. 9647794280) and possibly one of the PSA service numbers (654581, 654582, 6546H2, 654689).
– Also compare the physical design, location and number of connectors, year of manufacture and equipment of the car.

Warning
– The SRS safety system is critical for crew protection. Improper assembly or an incorrectly coded unit can cause the airbags to malfunction. Installation should be performed by a qualified person.

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