Description
Transponder antenna for immobilizer for Citroën and Peugeot vehicles. Suitable for vehicles equipped with a multiplex network.
This transponder antenna (immobilizer antenna ring) is a direct-fit replacement commonly referenced under part numbers 9663123380, 616097 and 6160C1. It restores reliable communication between the vehicle immobilizer and the transponder in the key, allowing the engine to start. Designed for use on Citroën and Peugeot vehicles with multiplexed electronics, this unit is aimed at professional technicians and experienced DIYers who search by product code when sourcing replacement parts.
Technical Information
- Manufacturer: Stellantis / Citroën / Peugeot
- Model: Compatible with a range of Citroën and Peugeot models (see list below)
- Product Codes: 9663123380, 616097, 6160C1, 6160.C1
- Other Numbers: 6160.C1 | 616097 | 6160C1 | 9663123380
- Function: Immobilizer Transponder Antenna (Antenna Ring)
- Typical Operating Frequency: LF ~125 kHz (standard for key transponder communication)
- Network Type: Vehicles with Multiplex (CAN) Electrical Architecture
Compatible Models (examples)
Citroën: C3 III, C4, C4 II, C4 Picasso, C4 Grand Picasso, C5 X7, C-Elysée, Berlingo III, DS3, 207, 308 I, 407. Peugeot: 3008 I, 5008 I, and other Stellantis models using the listed part numbers. Always refer to the vehicle’s parts list or the part number when selecting the correct unit.
Installation And Recommendations
- Disconnect Battery: Always disconnect the negative battery terminal before starting work to avoid short circuits and to protect vehicle electronics.
- Access: Remove steering column trim or ignition surround to access the antenna ring mounted around the ignition barrel or steering column area. Be careful with airbag connectors and trim clips.
- Disconnect: Unplug the antenna connector from the wiring harness. Inspect the connector and wiring for corrosion or damage.
- Swap: Remove the old antenna ring and fit the replacement in the correct orientation. Ensure the antenna sits flush around the ignition barrel and that connectors are fully engaged.
- Reassembly: Refit trim panels and reconnect the battery. Verify key recognition and engine start function with all vehicle keys.
- Tools: Basic hand tools and a light are usually sufficient. For vehicles with advanced immobilizer systems, a diagnostic tool may be required to verify key recognition and body computer status.
Why This Part Fails Most Often
- Mechanical Damage: Cracks or deformation from impact or rough removal/installation.
- Connector Corrosion or Wiring Faults: Moisture ingress or chafed wires cause loss of signal.
- Wear And Age: Coil breakage or degraded internal connections after many years in service.
- Intermittent Contact: Poor seating around the ignition barrel can reduce read range and cause key recognition issues.
- Aftermarket Keys Or Damage To Transponder: Sometimes misdiagnosed as antenna failure; always confirm key functionality.
Practical Tips For Diagnostics
If The Vehicle Does Not Recognize The Key After Replacement: Inspect Wiring And Connectors First. Check That The Antenna Is Seated Correctly Around The Ignition Barrel. Test With A Known-Good Key If Available. If Problems Persist, Scan For Immobilizer Or Body Computer Faults Using A Suitable Diagnostic Tool.
Search And Identification
This part is frequently searched by part numbers: 9663123380, 616097, 6160C1. Use These Numbers When Ordering To Speed Up Identification.
Additional Notes
Intended For Use By Automechanics And Skilled DIYers. If You Are Working On A Vehicle With Complex Immobilizer Or Body Computer Configurations, Allow Time For Proper Access And Verification Of Key Recognition After Installation.
