High-quality replacement airbag control unit designed for Peugeot 307 CC vehicles. This Autoliv unit carries multiple reference numbers often searched by professionals and DIY enthusiasts: 9653493180, 603725100, 6545HG, 6545HH. If your vehicle shows airbag warning lights, stored crash data, or disabled restraint systems after an impact or electrical fault, this unit is a direct-fit option intended to restore proper crash sensing and deployment functionality when installed and commissioned correctly.

Technical Information

• Manufacturer: Autoliv
• Model: Peugeot 307 CC (from 2005)
• Product Codes: 9653493180; 603725100; 6545HG; 6545HH
• Additional Numbers: NFP (as referenced in original listing)

Function

The Airbag Control Unit (ACU) monitors inputs from crash sensors, occupant sensors and seatbelt pretensioner circuits and decides when to trigger airbags and pretensioners in the event of a collision. The unit also stores crash data and fault codes that help diagnose system status after an event. Proper operation is critical for occupant safety.

How To Replace

1. Disconnect the negative battery terminal and wait at least 10 minutes to allow capacitors and backup power to discharge.
2. Locate the airbag control unit following the vehicle repair manual. Remove any necessary trim, seat fastenings or center console panels to gain access.
3. Carefully unplug all airbag and sensor connectors, noting locking tabs and connector orientation.
4. Unbolt the unit from its mounting bracket and replace with the new unit, securing to the original torque values if specified by the manufacturer.
5. Reconnect harnesses, reinstall removed trim or seats, reconnect the battery and use an appropriate diagnostic tool to read and clear fault codes and verify system readiness.

Installation Recommendations

Always follow Manufacturer Service Manual procedures. Disconnect the battery before any work on the restraint system and observe ESD precautions. Use proper tools and safe working positions when removing seats or console panels. After installation use a diagnostic scanner compatible with Peugeot systems to confirm that the airbag system reports no faults and that all sensors and circuits are within specification. If unsure, have the final commissioning performed by a qualified technician.

Most Common Causes Of Failure

• Crash Activation: Unit Is Made Inoperative After Airbag Deployment And Must Be Replaced Or Repaired According To Manufacturer Procedures.
• Electrical Faults: Short Circuits, Voltage Spikes Or Improper Jump-Starting Can Damage Internal Electronics.
• Water Ingress And Corrosion: Moisture Penetration Especially In Convertibles May Corrode Connectors Or Internal Components.
• Connector Damage Or Loose Wiring: Poor Contacts Can Cause Intermittent Faults And False Warnings.
• Aging Electronics: Over Time Capacitors Or Internal Components Can Degrade Leading To Malfunctions.

Notes For Professionals And DIY Mechanics

Reference product codes (9653493180, 603725100, 6545HG, 6545HH) when searching parts databases or diagnostic fault lists to ensure fitment. This unit is aimed at technicians and experienced DIYers familiar with airbag system procedures. Because the airbag control unit is a safety-critical component, correct mechanical installation and post-installation diagnostics are essential for vehicle safety.

This airbag control unit (SRS ECU) is designed for the Citroën C4 first generation and is identified by the listed part numbers. It is intended primarily for professional workshops and experienced DIY mechanics who search parts by product code. The unit monitors crash sensors and controls airbag and seatbelt pretensioner deployment to protect vehicle occupants in the event of a collision.

Key Benefits

• Direct replacement for original Citroën SRS control units, simplifying repairs when part numbers match.
• Compact, vehicle-specific design ensures correct communications with airbag sensors and safety restraints.
• Allows re‑establishment of SRS functionality after removal and correct initialization.

Technical Information

• Manufacturer: Stellantis (Citroën)
• Model: Citroën C4 I (First Generation)
• Product Codes: 9662643680
• Other Numbers: 603725800, 654633, 654634

Compatible Models

Citroën C4 First Generation (C4 I), model years approximately 2004–2010. Compatibility depends on equipment level and the exact part number — customers commonly locate this unit by the listed codes.

Installation Recommendations

• Always disconnect the vehicle battery and wait at least 10 minutes before starting work to allow SRS capacitors to discharge.
• Access the unit carefully—SRS control units are typically located inside the passenger compartment, often beneath the center console or under the front seats; remove trim panels without forcing clips.
• Handle connectors by the housing, do not pull wiring; ensure locking tabs are fully disengaged before separation.
• After mechanical installation, use a compatible PSA diagnostic tool (for example DiagBox/Lexia) to perform SRS system checks, clear fault codes and complete any required initialization or coding.
• If the unit stores crash data from a prior deployment, professional erasure/initialization with diagnostic equipment will be necessary before returning the vehicle to service.
• Observe manufacturer torque settings and assembly order for trim and fasteners to avoid rattles or damaged clips.

Replacement Procedure (Overview)

General replacement steps: disconnect the battery and wait; remove relevant trim to reach the SRS unit; unplug connectors and remove mounting fasteners; fit the new unit, reconnect connectors and fasteners; reconnect the battery and run diagnostic checks to confirm SRS system status and clear any stored faults. Always follow the vehicle manufacturer service manual for safe working procedures.

Why The Part Most Often Fails

• Activation During A Collision: Deployment of airbags records crash data and often requires module replacement or professional reinitialization.
• Water Ingress And Corrosion: Moisture or fluid leaks into the cabin can corrode connectors and printed circuit boards.
• Electrical Events: Voltage spikes, incorrect jump-starting or problems with charging systems can damage the unit.
• Connector Or Wiring Damage: Broken pins, poor repairs, or mechanical strain lead to intermittent faults or loss of communication with sensors.

Notes For Workshops And Mechanics

When sourcing replacement SRS control units, match the exact part number to reduce diagnostic time. After installation, verify full system operation with a diagnostic scanner and follow safety rules when working around airbag components. If you are not equipped to perform SRS reinitialization, consult a qualified technician with PSA-compatible diagnostic equipment.

Overview

The Bosch airbag control unit (SRS ECU) for the Peugeot 207 is a safety-critical electronic module responsible for detecting collision events and triggering airbags and seatbelt pretensioners. Frequently sought by part number (e.g. 9675068880, 0285010828), this unit is compatible with Peugeot 207 vehicles equipped with the corresponding Bosch SRS system. Clear fault codes on the dash (SRS/airbag light) typically indicate the need to inspect or replace the module.

Key Features And Benefits

– Direct replacement for vehicles using the listed part numbers, helping restore full SRS functionality.
– Bosch design ensures precise crash detection and reliable airbag deployment logic.
– Compact, vehicle-central mounting for robust sensor integration and wiring harness connections.
– Ideal for professional workshops and experienced DIY mechanics who handle safety systems.

How Replacement Works

The airbag control unit is normally mounted centrally in the passenger compartment (commonly beneath the center console or floor area between the front seats). Replacement steps at a glance:

• Follow manufacturer safety procedures: disconnect the negative battery terminal and allow adequate time for capacitors to discharge (commonly 10 minutes) before touching SRS components.
• Remove interior trim necessary to access the module (center console panels, carpet sections or seat fixings as applicable).
• Unplug the unit electrical connectors and remove mounting bolts.
• Install the replacement unit, secure mechanically, reconnect wiring and refit trim.
• Perform system scan and clear SRS fault codes; some cases may require OEM diagnostic equipment to reset or initialize the unit.

Technical Information

• Manufacturer: Bosch
• Model: Peugeot 207
• Product Codes: 9675068880, 0285010828
• Additional Numbers: 6546EH, 6546EG, 285010828

Installation Recommendations

– Always disconnect the battery before starting work and observe the manufacturer’s safety instructions to avoid accidental airbag deployment or damage to the unit.
– Use proper torque for mounting bolts and ensure connector locking tabs are fully engaged to prevent intermittent faults.
– After installation, scan the airbag system with an appropriate diagnostic tool to confirm error-free operation and clear any stored faults. If the unit requires coding or initialization, use OEM-grade diagnostic equipment and procedures.

Why This Part Fails Most Often

Common causes of airbag control unit failure include:

• Impact/Crash Events: After deployment or a significant collision the module may record non-resettable crash data or sustain internal damage.
• Water Ingress And Corrosion: Moisture entering the passenger compartment can corrode connectors or internal electronics, causing intermittent or permanent faults.
• Electrical Disturbances: Voltage spikes, incorrect jump-starting procedures or poor grounding can damage the unit’s electronics.
• Connector And Wiring Damage: Physical damage to harnesses or poor connector contact leads to communication errors and SRS warnings.

Notes For Mechanics And DIY Enthusiasts

This airbag control unit is a critical safety component. While experienced mechanics and competent DIY technicians can perform the mechanical replacement, final verification and any required coding or initialization should be carried out with suitable diagnostic equipment. Always follow the vehicle manufacturer’s procedures when working on SRS components to ensure occupant safety.

Product Overview

This airbag control unit (SRS Module) is an OEM steering‑column / passenger‑compartment module for Citroën C2 and C3. The unit monitors crash sensors and seatbelt pretensioners, stores fault codes and event data, and commands airbag deployment in the event of a collision. It is commonly searched by its part numbers (e.g. 9661532480, 6545S0) — include these in searches to find the exact match for your vehicle.

Why Choose This Unit

Ideal for professional workshops or experienced DIY mechanics who need a direct replacement part without modifying vehicle wiring. Being sourced from a non-damaged vehicle means the unit has not been exposed to crash deployment, making it suitable for reinstallation when properly matched and configured. Purchasing by part number speeds up compatibility checks and reduces installation errors.

How The Unit Works And Common Symptoms

The airbag control unit continuously monitors inputs from impact sensors, belt sensors and the vehicle CAN network. When a predefined threshold is exceeded, the module triggers the appropriate restraint devices. Typical symptoms of a faulty unit include persistent SRS/Airbag warning lamp on the instrument cluster, intermittent fault codes related to sensor circuits, or historical crash data preventing normal system operation.

Replacement And Service Notes

Replacement requires careful handling and proper post-installation checks. After physically fitting the unit and reconnecting electrical connectors, a diagnostic tool is normally used to read and clear SRS fault codes and verify sensor status. Depending on the vehicle and the module state, coding or initialization may be required to restore full system function.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C2, Citroën C3 (from 2005)
• Product Codes: 9661532480, 6545S0
• Additional Numbers: 6546C7, 6546C8, 6545S5

Installation Recommendations

– Always disconnect the vehicle battery before starting work and wait at least 2 minutes to allow the safety capacitors to discharge. Follow the vehicle manufacturer’s removal and installation procedure to avoid damage to the unit or vehicle wiring.
– Avoid touching connector pins and keep contacts clean and dry. Ensure connectors are fully engaged and locking clips are seated.
– After installation, use a suitable diagnostic tool to read and clear SRS fault codes and verify system integrity. If the airbag warning lamp remains illuminated, investigate sensor circuits and connector continuity before further attempts to reset codes.

Why This Part Most Often Fails

Airbag control units most commonly become unusable after a collision because deployment or impact forces can damage internal components or record crash data that renders the module non-serviceable. Other frequent causes of failure include water ingress or corrosion at connectors, electrical surges, poor previous repairs, or long-term degradation of internal solder joints. Units removed from undamaged vehicles typically fail less frequently, but connectors and environmental exposure remain potential risk factors.

Notes For Mechanics And DIY Enthusiasts

Search by part number to confirm mechanical fit and electrical compatibility. This unit is intended for installers familiar with SRS safety protocols and diagnostic procedures. Proper installation and verification are essential to restore full occupant protection functionality.

This Airbag Control Unit (SRS Module) is designed for the Peugeot 206 and is commonly referenced by OE numbers 9652275680, 602327100 and internal codes 6545GP / 6545GQ. Built to monitor crash sensors and deploy airbags and seatbelt pretensioners when required, the unit is a critical safety component. Mechanics and experienced DIYers will appreciate clear part-number identification and straightforward fitment information to speed up repairs and restore occupant protection.

Function And Purpose

The Airbag Control Unit continuously monitors inputs from impact sensors, seat occupancy and belt pretensioner circuits. In the event of a collision that meets deployment criteria, it triggers the appropriate airbags and pretensioners. It Also Records Crash Data And Diagnostic Trouble Codes (DTCs) That Help Identify Sensor Faults Or Wiring Problems.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Peugeot 206
• Product Codes: 9652275680, 602327100
• Additional Numbers: 6545GP, 6545GQ

Compatibility And Part Number Search

This unit is most commonly fitted to Peugeot 206 models. Because technicians frequently search by part number, the OE and code references above are included to help you verify fitment quickly. Always compare the unit labels and connector layout with the original module before installation.

Replacement Procedure

Replacement Should Be Performed By A Qualified Technician Or An Experienced DIYer With The Correct Tools. Basic Steps Include:

• Disconnect Battery And Wait The Manufacturer-Specified Time To Prevent Accidental Deployment.
• Locate The Airbag Control Unit (Generally Under The Center Console Or Under The Passenger Seat Depending On Chassis Variant) And Remove Fasteners.
• Carefully Disconnect Wiring Harnesses And Remove The Old Unit.
• Fit The Replacement Unit Ensuring Secure Connectors And Correct Orientation.
• After Installation, Use Appropriate Diagnostic Equipment To Clear Fault Codes And Verify System Integrity.

Installation Recommendations

• Always Disconnect The Battery Before Starting Work And Follow The Vehicle Manufacturer’s Safety Procedures.
• Inspect All Airbag Wiring, Connectors And Crash Sensors For Corrosion Or Damage; Repair As Needed Before Installing The New Unit.
• Ensure Connectors Are Fully Seated And Locking Clips Engaged To Avoid Intermittent Faults.
• After Installation, Perform A Full SRS System Check With A Diagnostic Tool Capable Of Reading Airbag Modules To Confirm Correct Operation.

Common Failure Causes

• Crash Deployment: Units Often Need Replacement After An Airbag Deployment Because The Module Stores Crash Data And May Be Locked Out.
• Electrical Damage: Short Circuits, Voltage Spikes Or Poor Grounding Can Corrupt The Unit Or Its Memory.
• Corrosion And Moisture Ingress: Water-Damaged Connectors Or Corroded Pins Lead To Faults Or Intermittent Signals.
• Connector Or Wiring Damage: Physical Damage From Previous Repairs Or Rodent Activity Can Cause Open Or Short Circuits.

Why Choose This Unit

For workshops prioritizing safety and speed of repair, choosing a unit with clearly listed OE references reduces diagnosis time and fitment errors. The included part numbers make it easy to match with the vehicle’s original module during ordering or inventory searches.

Note: The Airbag Control Unit Is A Safety-Critical Component. If You Are Unsure About Any Step Of The Replacement Or Diagnostics, Seek Assistance From A Qualified Automotive Technician With Experience In SRS Systems.

Overview

This airbag control unit (SRS Module) is designed for Citroën C8 and Peugeot 807 models and is a direct replacement part identified by product codes 1495658080 and 654674. The unit monitors crash sensors and seatbelt pretensioners, decides deployment of airbags in the event of a collision, and stores fault and event data. It is a suitable choice for professional workshops and experienced DIY enthusiasts who need a reliable SRS controller to restore safety system functionality after fault diagnosis or vehicle repair.

Technical Information

• Manufacturer: Stellantis (Citroën / Peugeot)
• Model: Citroën C8, Peugeot 807
• Product Codes: 1495658080, 654674
• Other Numbers: NFP

Installation Recommendations

Follow safe workshop procedures when replacing an airbag control unit: always disconnect the vehicle battery and wait at least 10–15 minutes (or follow the manufacturer specified interval) before starting work to avoid accidental deployment. Remove interior trim panels to access the module, unplug electrical connectors carefully, and unbolt the unit from its mounting. After fitting the replacement unit, use a compatible diagnostic tool to read and clear SRS fault codes and to perform any required system checks. For PSA vehicles, professional DiagBox/Lexia equipment is recommended for full diagnostics and verification of system readiness. Handle the unit with care and avoid exposing connectors to moisture or contamination during installation.

Why This Part Fails Most Often

Common causes of airbag control unit failure include a previous collision (the unit records crash events and is often replaced after airbag deployment), water ingress or corrosion of connectors, electrical surges or short circuits, and internal component degradation over time. Faults may present as SRS warning lights on the dashboard, stored fault codes, or disabled airbag/pretensioner functions. Because the unit is central to occupant restraint deployment, any SRS warning should be diagnosed promptly and repaired by a qualified technician.

Practical Notes For Fitment

• Verify the product codes 1495658080 and 654674 against the vehicle’s SRS module label before installation.
• Replacement is generally necessary after airbag deployment or when the module reports unrecoverable SRS faults.
• After installation, perform a full SRS system scan and clear stored crash data if appropriate using a diagnostic interface.

Conclusion

This airbag control unit is a practical replacement option for Citroën C8 and Peugeot 807 owners and workshops seeking to restore SRS functionality. With correct installation and post-fit diagnostics, it returns critical safety systems to operational condition and helps ensure occupant protection.

This Airbag Control Unit (SRS Module) is a direct-fit replacement for Peugeot 308 T7 vehicles. Ideal for professional workshops and experienced DIY mechanics, this used unit is supplied with the common OEM reference numbers to help you find an exact match quickly. The unit is compatible with standard SRS systems and is often searched by product codes such as 619763800, 9674291480 and 6546AP — include these identifiers when locating the correct part for your vehicle.

Overview

The SRS (Supplemental Restraint System) Control Unit monitors crash sensors, controls airbag and seatbelt pretensioner deployment, and stores fault and crash history. A functioning control unit is essential for occupant safety and for the vehicle to pass diagnostic checks. This unit is suitable for Peugeot 308 models (T7) equipped with factory airbag systems.

Technical Information

• Manufacturer: Stellantis / Peugeot
• Model: Peugeot 308 (T7)
• Product Codes: 619763800, 9674291480, 6546AP
• Additional Numbers: 9803946780

Function And Purpose

The airbag control unit continuously reads inputs from impact sensors, seat occupancy sensors and belt buckle switches. In the event of a collision that meets deployment criteria, the module triggers the appropriate airbags and pretensioners. It also performs self-diagnostics and stores fault codes and crash event data for later retrieval with a diagnostic tool.

Fitment And Compatibility

Designed for Peugeot 308 T7 series vehicles equipped with the standard SRS system. Use the listed product codes to confirm physical fit and connector type. Compatibility depends on the vehicle equipment level and year — check harness connector shape and mounting location when replacing.

Installation Recommendations

• Always Disconnect The Battery Before Starting Work And Wait At Least 10 Minutes To Allow System Capacitors To Discharge.
• Locate The Unit (Typically Mounted Centrally Under The Dashboard Or In The Centre Console Area Depending On Model Variant). Remove Required Trim Panels To Access The Module.
• Unbolt The Module And Carefully Release Electrical Connectors Using The Correct Tools. Avoid Pulling On Wiring.
• Install The Replacement Unit In Reverse Order. Ensure All Connectors Are Fully Seated And Bolts Are Torque-Fastened To Manufacturer Specifications.
• After Installation, Clear Fault Codes And Perform A Full SRS System Check With A Professional Diagnostic Tool. If The Unit Contains Stored Crash Data, It Must Be Handled And Configured According To Workshop Procedures.
• If You Are Not Familiar With SRS Systems Or Diagnostic Procedures, Have The Final Commissioning Performed By A Qualified Technician.

Why This Part Most Commonly Fails

• Crash Impact: The Most Frequent Cause — After Airbag Deployment The Control Unit Can Record Crash Data And May Require Replacement.
• Water Ingress Or Corrosion: Moisture Reaching Connectors Or The Module Housing Can Cause Electrical Faults.
• Electrical Faults Or Short Circuits: Battery Issues, Improper Jump-Starting Or Previous Poor Repairs Can Damage Internal Electronics.
• Connector Damage Or Mechanical Stress: Loose Or Damaged Wiring And Harsh Removal/Installation Can Lead To Intermittent Faults.

Notes For Professionals

Use The Listed OEM References During Parts Search To Minimize Fitment Errors. This unit is intended for customers familiar with SRS procedures and diagnostic tools. Replacing an airbag control unit without proper diagnosis and post-installation checks can leave the system unsafe.

This airbag control unit (SRS/Restraint Control Module) is suitable for Citroën C8 and Peugeot 807 models and is listed under part numbers 1400987180, 6546H0 and 6546H1. Engineered for professional workshops and experienced DIY mechanics, this unit replaces a faulty SRS brain to restore proper airbag system operation, clear crash flags and allow secure deployment in the event of an accident. Clear product codes in the description make it easy to find on search engines and in parts catalogs.

Technical Information

• Manufacturer: Stellantis
• Model: Citroën C8; Peugeot 807
• Product Codes: 1400987180, 6546H0, 6546H1
• Additional Numbers: 6546H0 / 6546H1 (cross-references)

Function And Role

The airbag control unit continuously monitors crash sensors, seatbelt pretensioners and passenger occupancy signals. In a collision, it evaluates sensor inputs and issues the deployment command to the airbags and pretensioners. It Also Stores Crash Data And Diagnostic Trouble Codes That Are Readable With A Diagnostic Tool, Which Helps Determine System Status After An Event.

Common Failure Causes

• Impact Or Previous Collision That Triggered Deployment Or Set Crash Flags.
• Electrical Issues: Short Circuits, Connector Corrosion Or Damaged Wiring Harnesses.
• Moisture Ingress Or Water Damage Leading To Internal Corrosion Or Electronic Faults.
• Aging Electronics: Faulty Components Or Loss Of Calibration Over Time.
• Improper Repairs Or Aftermarket Interference That Affect Signal Integrity.

Installation Recommendations

• Safety First: Disconnect The Negative Battery Terminal Before Any Work And Wait At Least 10 Minutes To Allow SRS Capacitors To Discharge.
• Handle With Care: Avoid Dropping The Unit Or Exposing It To Moisture. Do Not Open Or Attempt To Repair The Module Internally.
• Removal: Remove Required Trim Panels To Access The Unit, Unplug Electrical Connectors Using Proper Release Tools, Then Unbolt The Module From Its Mounting Points.
• Fitment: Install The Replacement Unit In The Correct Orientation, Secure Bolts To Original Positions And Reconnect All Plugs Ensuring Firm Contact.
• Diagnostics And Reset: After Installation Use A Qualified Diagnostic Tool To Read And Clear Fault Codes, Confirm Airbag System Integrity And Perform Any Required Calibration Or Relearning Procedures.
• Verification: Confirm That The Airbag Warning Light Behaves Normally (Illuminates On Key-On Self-Test Then Switches Off) Before Returning The Vehicle To Service.

This listing is optimized for technicians and car owners who search by part number (1400987180, 6546H0, 6546H1) or by model (Citroën C8, Peugeot 807). Replacing the airbag control unit with the correct code helps restore safety system functionality and ensures the restraint system operates as designed.

This Airbag Control Unit (SRS Control Module) is designed for Citroën C2, Citroën C3 and Citroën C3 Pluriel models and is commonly referenced by part numbers 9658316580, 654583, 654584 and 654691. The unit monitors crash sensors, manages airbag and seatbelt pretensioner deployment logic and stores SRS fault codes. Ideal for professional workshops and experienced DIY mechanics who search by part number, this control module restores proper Supplemental Restraint System functionality after electrical faults or collisions.

Technical Information

• Manufacturer: Stellantis / Citroën / Peugeot
• Model: Citroën C2; Citroën C3; Citroën C3 Pluriel
• Product Codes: 9658316580; 654583
• Additional Numbers: 654584; 654691

Installation Recommendations

• Safety First: Disconnect the vehicle battery (negative terminal) and wait at least 10 minutes to allow SRS capacitors to discharge before touching airbag system components.
• Follow Service Manual: Remove trim and affected airbags (driver/passenger/side) as required by the factory procedure to access the control unit. Always follow manufacturer wiring and connector release methods to avoid damage.
• Connector Integrity: Inspect wiring harnesses, ground points and connector pins for corrosion or bent contacts. Ensure connectors fully engage and locking tabs click into place.
• Post-Installation: Reconnect battery, then use a compatible diagnostic tool to read and clear SRS fault codes. Verify system status and perform any required calibration or system checks per the service manual.
• Handling: Avoid static discharge and do not subject the unit to impact or high-pressure cleaning. Handle the module with care and mount with original fasteners and correct torque where specified.

Common Failure Causes

• Collision Damage: The most frequent cause is impact from an accident; the unit may register deployment events or internal faults after a crash.
• Moisture And Corrosion: Water ingress or corroded connectors can create intermittent faults or complete failure of communication with sensors.
• Electrical Surges And Poor Grounding: Battery voltage spikes, jump-starts done incorrectly or bad ground connections can damage internal electronics.
• Wiring And Connector Faults: Chafed wiring, damaged pins or poor repairs in the SRS circuit will often trigger faults that appear to be module-related.
• Age And Environmental Stress: While control units are designed to last the vehicle lifetime, prolonged exposure to heat, vibration or contamination can eventually cause malfunction.

Why Choose This Unit: Using the correct SRS control module with matching part numbers ensures compatibility with airbag deployment logic and fault reporting. Searchable by the typical part numbers listed above, this unit helps professionals and competent DIYers restore safety system functionality after diagnostics have identified the control module as faulty.

Part description

This Siemens airbag unit (SRS) is designed for the Peugeot 307 CC (according to the documents up to 2004). The airbag control unit evaluates the signals from the SRS system and ensures the correct functioning of the safety elements. When replacing, it is crucial to follow the matching of the markings and codes on the unit, since this part is often searched and matched precisely by product numbers.

A suitable solution when the original unit fails or when the car is repaired after a defect in the airbag system – if you need a quickly available part with the correct marking RBG-T5-V-8-CEM00 and PSA numbers.

Technical information

• Manufacturer: Siemens
• Model: Peugeot 307 CC (up to 2004)
• Other numbers: 5WK43349, 6545JG, 6545JH, NFP

Product codes

• Product codes: 9652712380, 5WK43349, 6545JG, 6545JH

Installation recommendations

Warning: This is a safety feature (SRS). Generally/typically, working on an airbag system requires extreme caution, correct manufacturer’s procedure and appropriate diagnostics. The exact steps may vary depending on the specific design of the car.

1) Before assembly

• Compare with the old part: 9652712380, 5WK43349, or 6545JG/6545JH and designation RBG-T5-V-8-CEM00.
• Check the condition of the connectors and pins (they must not be bent, oxidized or mechanically damaged).
• Check the unit for obvious damage (cracks, deformation, traces of moisture).

2) Necessary tools and materials

• Basic set of hand tools (typically ratchet/bits, screwdrivers as needed)
• Cleaning agent for electrical contacts (as needed)
• Diagnostics for PSA (to check faults and verify SRS function)
• Protective equipment (gloves, glasses)

3) Step-by-step assembly procedure (typically)

1. Turn off the ignition and secure the vehicle against movement.
2. Disconnect the battery and allow a reasonable amount of time for the SRS to safely deactivate (according to the manufacturer’s procedure).
3. Provide access to the airbag unit according to the vehicle design (exact access varies by model).
4. Disconnect the unit connectors carefully – without force, release the connector fuses first.
5. Dismantle the unit mount and remove the original piece.
6. Compare again the numbers and markings of the new unit with the old part.
7. Install the unit in its place and fasten it in the original way.
8. Reconnect the connectors and check that they are fully inserted and secure.
9. Reassemble the disassembled interior parts/hood (if removed).
10. Connect the battery.
11. Diagnoses the SRS system and checks the status of malfunctions and the airbag light.
• 4) Post-assembly checks and test drive/function verification
  • Check that the standard warning light test runs after the ignition is turned on and the airbag light does not stay on.
  • Verify with diagnostics that the SRS system does not report active faults (if there are, solve the cause in the wiring/sensors/connectors first).
  • After a short drive, check again that the fault does not return.

  5) The most common assembly mistakes + how to avoid them

  • Manipulation without disconnected battery – always disconnect the battery and follow the safety procedure.
  • Poorly engaged connectors – check full seating and locking, if necessary clean contacts.
  • Unit Code Mismatch – verify part number and designation match (9652712380, 5WK43349, 6545JG/6545JH, RBG-T5-V-8-CEM00) before assembly.
  • Solution only by “replacing the unit” without diagnostics – if the cause is in the wiring or another part of the SRS, the fault will return.

  Reasons why the part is damaged

  • Moisture and corrosion in the connector area or where the unit is installed.
  • Damage after an accident (SRS activation, impact overload, mechanical stress).
  • Voltage fluctuations in the on-board network, bad grounding or battery problems.
  • Errors in cabling/connectors (transitional resistances, oxidation) – can cause malfunctions and subsequent interventions.
  • Incompetent handling during interior repairs or electrical installation (torn connectors, damaged pins).
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