High-quality Bosch airbag (SRS) control module for Peugeot 207 — ideal for professional workshops and experienced DIY mechanics looking for a reliable replacement unit. This module corresponds to common OEM and supplier part numbers, improving findability in searches and ensuring a faster repair workflow. Replace a faulty SRS unit to restore full airbag diagnostics and restore passenger safety systems. Suitable for Peugeot 207 models (various body types, model years approximately 2006–2014) that use the listed part numbers.

Technical Information

• Manufacturer: Bosch
• Model: Peugeot 207
• Product Codes: 9666843980, 0285010702
• Other Numbers: 6546S1, 6546EG, 6546S2, 285010702

Function And Typical Use

The airbag control module (SRS unit) monitors crash sensors and controls deployment of airbags and activation of seatbelt pretensioners. It continuously evaluates sensor inputs, stores fault codes and event data, and signals the instrument cluster SRS warning light when a fault is present. A correctly functioning unit is essential for occupant safety and for the vehicle to pass safety checks.

How The Unit Is Replaced

Replacement should be performed by a trained technician or an experienced DIY mechanic familiar with SRS procedures. Typical steps:

• Disconnect the negative battery terminal and wait at least 10 minutes to fully de-energize the system.
• Remove required trim and access panels to reach the airbag control module (usually located under the center console or below the passenger seat depending on trim).
• Unplug connectors, note connector orientation and locking tabs, and unbolt the module from its bracket.
• Install the replacement unit, secure to the bracket, reconnect connectors and reassemble interior trim.
• Use a compatible diagnostic tool to read/clear SRS fault codes and verify system status; confirm the SRS warning light is off and that no stored crash data prevents normal operation.

Installation Recommendations

• Always disconnect the battery before beginning work and follow Peugeot safety procedures to avoid accidental airbag deployment.
• Handle connectors and printed circuit board areas carefully to prevent static damage or connector damage.
• If the module contains stored crash event data or persistent faults, additional diagnostic steps may be required to clear or replace associated sensors.
• After installation, verify with a diagnostic scanner that the SRS system has no active faults and that all airbags and pretensioners show ready status.

Most Common Reasons Why The Part Fails

• Crash Event: Deployment or crash data stored in the module often renders it unusable for safety reasons.
• Electrical Damage: Short circuits, voltage spikes, or improper jump-starting can damage internal electronics.
• Water Ingress And Corrosion: Moisture can corrode connectors or internal circuits, causing intermittent faults or failure.
• Connector Or Wiring Issues: Poor contacts, damaged pins or broken wiring can cause SRS warning lights and loss of communication.
• Memory Or Sensor Faults: Internal memory corruption or failed sensor inputs can prevent correct operation.

Order this Bosch airbag control module if you need a direct replacement identified by the listed part numbers. Installing a correct, fully functional control module restores proper SRS diagnostics and occupant protection for affected Peugeot 207 vehicles.