Description
Autoliv Airbag Control Unit for Peugeot 407
Restore correct airbag and pretensioner operation with this Autoliv airbag control unit (SRS module) for the Peugeot 407. This unit is commonly searched by part numbers 9655880780, 603602600, 6545HW and 6545HX — useful keywords for fast lookup in online catalogs and search engines. The module monitors crash sensors, decides deployment and stores fault information in the event of a collision; replacing a faulty unit is essential to bring the vehicle safety system back to full function.
Key Features
- Original Autoliv SRS Control Unit Designed For Peugeot 407
- Direct Replacement When Part Numbers Match (9655880780 / 603602600 / 6545HW / 6545HX)
- Controls Airbag Deployment And Seatbelt Pretensioners; Stores Crash And Fault Data
- Ideal For Professional Workshops And Experienced DIY Mechanics Who Search By Product Code
Compatibility
Intended for Peugeot 407 models where the airbag control unit part numbers correspond to the listed codes. Always confirm the part number stamped on the original unit before ordering to ensure compatibility with the vehicle’s SRS configuration.
How Replacement Is Performed
Removal and replacement should be carried out by qualified personnel or experienced DIY mechanics comfortable with vehicle safety systems. The general procedure:
- Locate the SRS control unit (commonly found beneath the center console or behind the glovebox area; exact location varies by body type and year).
- Disconnect the vehicle battery and follow the service manual safety procedures to avoid unintentional deployment.
- Unplug connectors carefully, noting locking tabs, and remove mounting fasteners.
- Install the replacement unit, secure fasteners to the correct torque, reconnect connectors and battery.
- Use a diagnostic tool to read/clear SRS fault codes and to verify system status after installation.
Technical Information
- Manufacturer: Autoliv
- Model: Peugeot 407
- Product Codes: 9655880780, 603602600
- Additional Numbers: 6545HW, 6545HX, NFP
Installation Recommendations
Always follow the vehicle manufacturer’s service manual. Before handling the SRS unit disconnect the battery and allow any system capacitors to discharge according to the manual. Handle connectors and the unit with care to avoid damage to pins and locking mechanisms. After fitting, verify system integrity with an appropriate diagnostic scanner capable of reading the SRS module and clearing stored faults. If the airbag warning lamp remains lit after replacement, further diagnosis of wiring, sensor inputs and seatbelt pretensioner circuits is required.
Why The Unit Commonly Fails
Airbag control units typically fail or require replacement for the following reasons:
- Deployment After A Collision — Units Are Designed To Record And Often Must Be Replaced After Any Airbag Deployment.
- Water Ingress Or Corrosion — Moisture entering the housing or connectors can damage internal electronics.
- Electrical Faults Or Voltage Spikes — Poor battery connections or jump-starting incidents can cause damage.
- Connector Damage Or Wiring Issues — Physical damage to harnesses and connectors produces communication faults.
- Aging And Component Failure — Over many years components or solder joints can fail, causing intermittent faults or permanent errors.
Search by the part numbers listed above for the fastest match when ordering. This helps ensure you receive the correct SRS module for your Peugeot 407 and minimizes downtime in the workshop.
