This transponder antenna is a direct-fit component designed for Peugeot and Citroën models that use a conventional (non-multiplex) immobilizer system. Ideal for professional workshops and competent DIYers, the unit reads the key transponder signal around the ignition switch and relays it to the immobilizer control module. Replacement of a faulty antenna restores reliable key recognition and eliminates no-start conditions caused by missing transponder communication.

Compact and discreet, the antenna assembly typically mounts around the ignition barrel or column. It is commonly sought by part number (9632487880 / 616069), making it easy to find in catalogs or when ordering spare parts. Technically simple but crucial for vehicle security, this antenna ensures the transponder coil can communicate with the vehicle ECU to permit engine start.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: 206, 307 I, 406, Berlingo I, Berlingo II, Expert II, Jumpy II, Partner I, Partner II, Xsara, Xsara Picasso
• Product Codes: 9632487880, 616069
• Other Numbers: NFP

Installation Recommendations

Before starting work, disconnect the battery and wait a few minutes to avoid accidental short circuits. Typical replacement steps:

• Remove the lower steering column trim and any covers around the ignition switch.
• Unplug the antenna connector and detach any retaining clips.
• Replace the antenna with the new unit, ensuring the coil sits concentrically around the ignition barrel.
• Reconnect the connector, reassemble trims and reconnect the battery.

Always follow the vehicle manufacturer’s removal and installation procedure to avoid damage to the ignition barrel, wiring harness, or surrounding components.

Why The Part Most Commonly Fails

Failures are usually caused by mechanical damage to the antenna or connector (from collisions or rough handling during steering column work), corrosion or moisture ingress, broken or fatigued wiring, or degraded solder joints in the coil. Symptoms include intermittent or complete loss of key recognition, immobilizer warning lights, and engine cranking without start.

Practical Notes For Mechanics And DIYers

When replacing the antenna, inspect the connector pins and wiring for corrosion or damage and test continuity where possible. If the immobilizer fault persists after antenna replacement, check the immobilizer control module and key transponder battery/state. Because this part is specific to non-multiplex systems, confirm that the vehicle does not use a multiplexed CAN/BSI configuration before ordering.

Part number 9632162780 4112AG is compatible with models including the Peugeot 206, 307 I, 406, Berlingo I, Berlingo II, Expert II, Jumpy II, Partner I, Partner II, Xsara, and Xsara Picasso.

Replacement of the rotary contact is typically needed when the airbag warning light remains illuminated or when there are issues with airbag deployment, which can occur due to wear and tear over time. Regular inspection and timely replacement of this component can prevent safety risks associated with malfunctioning airbags.

Technical Information

• Manufacturer: PSA
• Model: Citroën Peugeot
• Product Codes: 9632162780
• Additional Numbers: 4112AG

Product Overview

High-quality transponder antenna designed for PSA/ Stellantis vehicles. This immobilizer antenna reads the key transponder signal and transmits it to the vehicle’s immobilizer system. It is a direct-fit replacement for a range of PEUGEOT and CITROËN models with multiplexed wiring and is intended for professional installers and DIY mechanics who need reliable anti-theft recognition between key and ECU.

Technical Information

• Manufacturer: Stellantis (PEUGEOT / CITROËN)
• Model(s): Peugeot 1007, Peugeot 307, Peugeot 807, Citroën C3, Citroën C8 (see fitment list below)
• Product Codes: 9648445180, 9632897680, 9652781780, 6160C0
• Other Numbers: 616073, 616087, 6160C2, 9652781760

Fitment / Compatible Models

Common compatible models include:

• Peugeot 1007
• Peugeot 307
• Peugeot 807
• Citroën C3
• Citroën C8
• Also fitted on related PSA models that use the same immobilizer architecture (check part number match before ordering)

How To Replace

Replacement is straightforward for an experienced mechanic. Typical steps:

• Disconnect the vehicle battery before starting work to avoid electrical damage.
• Remove steering column trim to access the ignition barrel and immobilizer antenna ring.
• Unplug the antenna connector and remove any retaining clips or screws.
• Fit the new antenna in the same orientation as the original; ensure the coil ring sits correctly around the ignition barrel.
• Reconnect the wiring, reassemble trims and reconnect the battery. Verify key recognition and engine start function.

Installation Recommendations

• Always disconnect the battery before disassembly to prevent damage to electronic modules.
• Handle the antenna coil carefully to avoid deforming or cracking the ring; even small damages can impair signal strength.
• Check connector pins and wiring for corrosion or damage and clean contacts if necessary.
• After fitting, test with all vehicle keys to confirm reliable transponder recognition and start sequence.

Why This Part Fails Most Often

• Mechanical damage to the antenna coil or housing (impact, cracked trim, deformation).
• Corroded or broken wiring and connector contacts causing intermittent or no signal transmission.
• Water ingress or long-term exposure to moisture leading to coil shorting or connector failure.
• Wear from repeated removal/reinstallation or improper handling during previous repairs.
• Symptoms of failure: Key not recognized, engine immobilized, intermittent starting problems or fault codes related to the immobilizer system.

Technical Details

• Operating Type: Low-frequency (LF) transponder antenna (typically 125 kHz for PSA immobilizer systems).
• Function: Reads passive key transponder and transmits signal to immobilizer/BCM for authentication.
• Connector: OEM-style PSA connector (exact plug variant depends on model and production year).

Notes

Search by product code for quick matching in parts catalogs. Ensure the part number matches the original antenna before ordering to guarantee fitment and correct operation.

Over time, switch controls can wear out due to frequent use, leading to malfunctions. Regular inspections and timely replacements are recommended to maintain vehicle safety and functionality. This part integrates seamlessly into your car’s electrical system and is essential for optimal operation.

Technical Information

• Manufacturer: Citroën Peugeot
• Model: 96662456XT 6242ZT
• Product Codes: 96662456XT
• Other Numbers: 6242ZT