Description
Immobilizer Transponder Antenna For Peugeot And Citroën
Suitable For Peugeot 1007, 307 And Citroën C3
For Vehicles With Multiplex Network
This transponder antenna is Designed To Read The Key Transponder And Communicate With The Immobilizer System, Ensuring Secure Engine Start Authorization. Ideal For Professional Workshops And Competent Do-It-Yourself Mechanics, The Unit Is Frequently Looked Up By Part Number (See Technical Information Below). Replacing A Faulty Antenna Restores Reliable Key Recognition And Eliminates Intermittent No-Start Issues Caused By Poor Signal Reception.
Technical Information
- Manufacturer: Stellantis / Peugeot / Citroën
- Model: Peugeot 1007, Peugeot 307, Citroën C3 (commonly fitted)
- Product Codes: 9648445180, 9632897680, 9652781780
- Additional Numbers: 616073, 6160C0, 616087, 6160C2, 9652781760
Fitment And Function
The Antenna Sits Around The Ignition Barrel Or Steering Column And Reads The Transponder Chip Embedded In The Key. It Relays The Key ID To The Immobilizer Control Unit Over The Vehicle Multiplex Network. When The Antenna Fails Or The Signal Is Weak, The Immobilizer May Prevent Engine Cranking Or Cause Intermittent Starting Problems. Primary Fitment Is For Vehicles With Multiplex Wiring, Including The Peugeot 1007 And 307 Series And Citroën C3 (Also Found On Some Related Small Stellantis Models).
Installation Recommendations
- Disconnect The Battery Negative Terminal Before Starting Work To Avoid Short Circuits And Airbag Deployment Risk.
- Remove Steering Column Trim Panels Carefully To Access The Ignition Barrel Area; Use Trim Tools To Avoid Breakage.
- Unplug The Antenna Connector And Note Cable Routing; Replace The Antenna Ring In The Same Orientation To Ensure Proper Read Range.
- Inspect Wiring And Connector Pins For Corrosion Or Damage; Repair Any Wiring Faults Before Reassembly.
- After Installation, Verify Key Recognition And Engine Start Function. Most Replacements Do Not Require ECU Programming, But In Rare Cases Key Synchronization Or Immobilizer Resynchronization May Be Needed.
Common Failure Causes
- Mechanical Damage During Steering Column Repairs Or Collisions Causing Cracked Or Misaligned Antenna Ring.
- Wiring Fatigue Or Connector Corrosion Leading To Intermittent Or Lost Communication With The Immobilizer Module.
- Short Circuits Or Electrical Surges That Can Burn The Antenna Coil Or Its Electronics.
- Long-Term Wear: Although The Antenna Typically Lasts Many Years, Repeated Handling And Environmental Exposure Can Degrade Performance.
Symptoms Of A Faulty Unit
- Engine Does Not Crank Or Starts Intermittently.
- Immobilizer Warning Light Or Key Symbol Illuminated On The Dashboard.
- No Response When Using A Known-Good Key (Indicating Reader, Not Key, Fault).
Part Numbers Are Common Search Terms: 9648445180, 9632897680, 9652781780, 616073, 6160C0, 616087, 6160C2. Keep These Numbers Handy When Ordering Or Searching For Replacement Units To Ensure Correct Fitment.
