Autoliv airbag control unit Peugeot 307 CC 9653493180 6545HG

Thu, 22 Oct 2026 02:50:03 +0000

AUTOLIV airbag control unit for PEUGEOT 307 CC vehicles from 2005 onwards

Part description

The used Autoliv airbag control unit for Peugeot 307 CC is part of the vehicle’s safety system. This type of unit evaluates system data and controls the activation of the relevant restraint components in an accident. When looking for a replacement part, the identification codes 9653493180 and 6545HG are particularly important, as is matching the version to the original unit.

The part is intended as a replacement when repairing the airbag system. The available documentation does not specify the crash event memory status or the configuration requirements for this particular unit, so it cannot be assumed that it will work immediately simply by plugging it in. Correct selection and professional installation are essential for this safety component.

Technical information

Manufacturer: AUTOLIV
Model: Peugeot 307; according to the description, the PEUGEOT 307 CC version from 2005 onwards
Part type: airbag control unit
Condition: used part
Additional numbers: 603725100, 6545HH
Additional designation in the documentation: NFP

Product codes

Product codes: 9653493180, 603725100, 6545HG, 6545HH
Model according to the label: Peugeot 307

Compare the numbers with the markings on the original part and the relevant service documentation. The mere listing of multiple codes in the offer does not confirm their interchangeability for every vehicle version.

Installation recommendations

The following generally applies to this type of part: work on the airbag system requires professional competence and compliance with the manufacturer’s safety procedure. The following procedure is general; the exact method of accessing the unit, disconnecting the power supply, the specified waiting time and any configuration depend on the specific vehicle version. Entrust installation to a professional experienced in SRS systems.

1) Before installation

Compare the identification numbers, connector designs, mountings and markings of the original and replacement units.
Check the housing, connectors and contacts of the used part. Cracks, deformation, corrosion or signs of moisture require professional assessment before installation.
Use diagnostics to verify the cause of the fault. Replacing the unit may not resolve a fault in the wiring or other SRS components.
If the vehicle has been involved in an accident, the entire restraint system must be assessed according to the manufacturer’s instructions, not just the unit.

2) Required tools and materials

Generally, suitable hand tools, tools for removing trim without damage, service documentation and diagnostic equipment supporting the vehicle’s airbag system are required. Do not use a standard circuit tester on pyrotechnic circuits or measure their resistance directly with a multimeter.

3) Step-by-step installation procedure

Before starting work, read and record the faults and any available identification data from the original unit.
Secure the vehicle against movement, switch off the ignition and follow the manufacturer’s instructions for safely shutting down the electrical systems.
Disconnect the battery in the specified manner and wait for the period specified by the manufacturer for work on the SRS. The system may retain energy after disconnection.
Access the unit according to the service documentation. Remove surrounding parts without damaging the wiring or connectors.
Carefully release the connector locks and disconnect the connectors. Do not pull on the wires or tamper with the contacts using unsuitable tools.
Release the mountings and remove the original unit. Check the condition of the mounting points and look for any signs of water ingress.
Position the replacement unit in the specified orientation and secure it according to the manufacturer’s documentation. Do not change the orientation or mounting method.
Connect the connectors, check that they are locked in place and route the wiring so that it is not stretched or pinched. Refit the removed parts.
Restore power and perform the initial switch-on according to the manufacturer’s safety procedure; no one must be within the deployment area of the restraint components.
Use diagnostics to verify communication and system status. Perform any configuration only according to the procedure specified for the particular version.

4) Post-installation checks and functional verification

Check the behaviour of the airbag warning light according to the vehicle documentation and read the faults again. The warning light going out is not a substitute for a complete diagnostic check. Persistent faults or a crash record require professional attention; simply clearing them is not a repair. A test drive does not verify the airbags’ ability to respond correctly in an accident and does not replace the prescribed SRS checks.

5) Common installation mistakes and how to avoid them

Selecting solely by model: also compare the numbers, version and system requirements.
Working before safely disconnecting the power supply: follow the manufacturer’s procedure, including the waiting time.
Incorrect orientation or inadequate securing: maintain the specified installation position and mounting method.
Replacing without addressing the cause: first resolve water ingress, damaged wiring or power supply faults.
Assuming automatic operation: verify the diagnostic status and any configuration requirements for the used unit.

Reasons why the part may become damaged

In general, airbag control unit faults can result from moisture exposure, contact corrosion, mechanical damage in an accident or improper modifications to the electrical system. An unstable power supply and improper handling of connectors also pose risks.