Description
Autoliv Airbag Control Unit for Peugeot 407. Fully functional.
Replace the SRS Airbag Control Unit in your Peugeot 407 with this original Autoliv module. The unit manages crash detection, triggers airbag and pretensioner deployment, and stores fault and event data required for SRS diagnostics. Frequently searched under the listed part numbers, this module is suitable for professional workshops and experienced DIYers who maintain Peugeot 407 vehicles.
Technical Information
- Manufacturer: Autoliv
- Model: Peugeot 407
- Product Codes: 9655880780, 603602600, 6545HW, 6545HX, NFP
- Additional Numbers: 9655880780 / 603602600 / 6545HW / 6545HX
Fitment
Fits Peugeot 407 models. Verify part numbers against vehicle documentation when matching components.
Installation Recommendations
- Disconnect the Battery: Always disconnect the negative battery terminal before any work on the SRS system. Wait at least 10 minutes to allow capacitors and residual energy to discharge.
- Access Unit: Remove interior trim panels as required to reach the airbag control unit location following the vehicle manufacturer procedure.
- Handle With Care: Do not open or disassemble the unit. Use ESD precautions and avoid impact or moisture exposure.
- Disconnect Connectors: Carefully release locking clips and unplug all electrical connectors. Inspect connector pins and harness for corrosion or damage.
- Install New Unit: Secure the replacement unit with original mounting points and torques. Reconnect all plugs firmly.
- Reconnection And Diagnostics: Reconnect the battery, then use an appropriate diagnostic tool to clear SRS fault codes and confirm system readiness. If the unit records crash data or is locked after a deployment, professional reconfiguration may be required.
Why The Part Fails Most Often
- Crash Deployment: Unit Is Triggered And May Store Event Data After A Collision.
- Electrical Damage: Short Circuits, Voltage Spikes Or Poor Grounding Can Damage Internal Electronics.
- Moisture And Corrosion: Water Ingress Or Corroded Connectors Lead To Intermittent Faults Or Failure.
- Connector Or Harness Damage: Pin Damage, Loose Plugs Or Wiring Faults Cause SRS Warnings.
- Aging And Thermal Stress: Long-Term Thermal Cycling May Degrade Components.
Notes For Mechanics And DIYers
After installation, always verify that the SRS warning lamp extinguishes during the ignition self-test. If faults remain, inspect seatbelt pretensioners, impact sensors and wiring harnesses. Clearing SRS codes without addressing underlying wiring or sensor issues can mask faults and compromise occupant safety. When in doubt, use professional diagnostic equipment and follow Peugeot service procedures.
