Description
Antenna Amplifier FM2 for Citroën and PEUGEOT vehicles.
High-quality Antenna Amplifier FM2 designed as a direct-fit replacement for Citroën and Peugeot radio systems. This part (OEM references 9657018080 / 6561JW) restores weak FM reception, reduces background noise and multipath distortion, and ensures stable signal distribution to the factory head unit and amplifiers. Ideal for professional workshops and DIY mechanics who need a reliable, easy-to-install component that matches original equipment specifications.
Technical Information
Manufacturer: Stellantis / Citroën / Peugeot
Model: Citroën C4 Picasso (and compatible Citroën / Peugeot models using the listed part numbers)
Product Codes: 9657018080, 6561JW
Other Numbers: NFP
Key Features
- Direct replacement for FM2 antenna amplifier modules with matching part numbers.
- Improves FM radio sensitivity and reception stability.
- Designed to interface with factory coaxial antenna wiring and connectors.
- Compact unit for unobtrusive mounting in OEM locations (roof, headliner or tailgate area depending on model).
Installation Recommendations
Follow these general steps when replacing the antenna amplifier. Procedures vary by model—use vehicle-specific repair manual for exact instructions.
- Always disconnect the vehicle battery before starting work to avoid short circuits or damage to electronic components.
- Gain access to the amplifier location by removing the relevant trim panels or headliner sections. Typical mounting points are inside the roof area, under the headliner, or in the tailgate depending on vehicle configuration.
- Carefully unplug the antenna coaxial connector(s) and electrical plug(s). Note connector orientation and routing.
- Unscrew or unclip the old amplifier and install the replacement in the same orientation. Avoid kinking or stressing coaxial cables.
- Reconnect connectors, secure the unit, reassemble trim, reconnect the battery and verify radio reception and antenna functionality.
- Recommended tools: plastic trim tools, Torx/Phillips drivers, multimeter for continuity checks, and a small flashlight.
Why This Part Fails (Common Causes)
- Moisture Ingress: Water leaks around roof seams, sunroof drains or tailgate seals can cause corrosion or shorting inside the amplifier.
- Connector Corrosion: Oxidation on coaxial and electrical connectors degrades signal transfer.
- Physical Damage: Impact to the antenna mast or body panels, or improper removal of trim, can damage the unit or its connectors.
- Electronic Component Failure: Age-related degradation of internal components or surges from lightning/antenna strikes.
Practical Tips For Mechanics and DIYers
- Inspect antenna coaxial cable and connectors when replacing the amplifier. A damaged coaxial cable will negate the benefit of a new amplifier.
- Test radio reception before removing the old unit to confirm the amplifier is the likely cause of the fault.
- When reassembling, ensure all seals and clips are seated correctly to prevent future water ingress.
- Keep part numbers (9657018080, 6561JW) handy when searching for the exact replacement to ensure compatibility.
With correct installation, this Antenna Amplifier FM2 brings radio performance back to OEM levels, making it a practical repair for technicians and competent DIYers dealing with weak FM reception on compatible Citroën and Peugeot vehicles.







