Description
Phone, Bluetooth and USB Interface Unit For Citroën And Peugeot Vehicles
This Bluetooth/USB phone interface module is designed for Citroën and Peugeot vehicles and provides reliable hands‑free calling, audio streaming and USB connectivity. It is a drop‑in replacement for units referenced under part numbers 9666760080 and S180073002J and suits workshop technicians and experienced DIYers who search by product code. Built to integrate with the factory infotainment system, the module restores phone pairing, USB media playback and device charging where the original unit has failed.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Bluetooth / Phone Interface Module
- Product Codes: 9666760080, S180073002J
- Other Numbers: 6574TS, 6593L0, 1607242180
Compatibility And Applications
Typical applications include models from Citroën and Peugeot platforms where the quoted codes are used. Known fitments (examples):
- Citroën C4 Picasso
- Citroën C5 X7
- Peugeot 308
Function And Features
- Hands‑free telephone integration (call control via vehicle controls).
- Audio streaming (A2DP) and phonebook access when paired with compatible head units.
- USB Data And Charging Port Support For Media Playback And Device Charging.
- Interface For In‑car Microphone And Steering‑Wheel Controls (depending on vehicle configuration).
- Designed To Work With The Factory Antenna And Infotainment Wiring Harness.
Installation
Removal and replacement are straightforward for a trained technician or competent DIYer with basic tools. Typical steps:
- Disconnect The Negative Battery Terminal Before Starting Work.
- Remove Dashboard Trim Panels To Access The Infotainment Module Area.
- Unscrew Fasteners Securing The Module And Carefully Unplug All Electrical Connectors.
- Fit The Replacement Module, Reconnect Connectors And Reassemble Trim Panels.
- Re‑connect The Battery And Reboot The Infotainment System; Re‑pair Phones As Required.
Recommended Tools And Precautions
- Basic Hand Tools (Trim Tools, Torx/Screwdrivers, Ratchet Set).
- Static Precautions When Handling Electronic Modules; Avoid Force On Connectors And PCB.
- Always Follow Manufacturer Procedures For Airbag/Trim Removal To Prevent Damage.
- Some Vehicles May Require Reinitialization Or Activation Procedures Via Diagnostic Equipment To Restore Full Functionality.
Why This Part Fails
Common failure modes include:
- Corroded Or Damaged Connectors Due To Moisture Ingress.
- Solder Joint Fatigue Or Component Failure From Thermal Cycling Over Years Of Use.
- Physical Damage To The USB Port From Repeated Insertion/Removal Of Cables Or Foreign Objects.
- Firmware / Compatibility Issues After Vehicle Electronic Updates (may require re‑pairing or diagnostic activation).
- Electrical Surges Or Short Circuits Causing Internal Component Damage.
Typical Service Life
When functioning correctly and protected from moisture and mechanical wear, these modules typically last many years. Failures are more common in vehicles with heavy USB use, exposure to damp environments or where connectors have been disturbed during other repairs.
Installation Recommendations
- Perform Installation In A Clean, Dry Environment.
- Label Any Removed Connectors And Take Photos Before Disassembly To Ensure Correct Reassembly.
- Check Wiring Harness And Related Connectors For Corrosion Or Damage And Repair If Necessary.
- After Installation, Verify Phone Pairing, USB Media Playback And Microphone Functionality Before Returning Vehicle To Service.
Most Common Failure Reasons
- Moisture And Connector Corrosion.
- Wear And Tear Of USB Port Mechanical Parts.
- Electrical Damage From Short Circuits Or Faulty Aftermarket Accessories.
- Internal Component Degradation Due To Age And Thermal Stress.
