Description
Seat heating relay Faurecia 9445536 for Citroën and Peugeot vehicles. Electrically fully functional.
Description
This seat heating relay is an OE-compatible Faurecia unit designed for a range of Citroën and Peugeot models. It switches power to the seat heating elements and heating mats, ensuring reliable operation of the interior comfort system. The relay is a direct replacement for commonly used part numbers and is suited for professional workshops and experienced DIY mechanics who maintain or repair vehicle heating systems.
Technical Information
- Manufacturer: Faurecia
- Model: Seat Heating Relay — Compatible With Citroën And Peugeot Models
- Product Codes: 9638053380, 8904WC, 8906GR, 6545YN
- Additional Numbers: Faurecia 9445536, Stellantis References
Compatibility
Typical fitment includes (but is not limited to): Citroën C4 Picasso, Citroën C5 (including X7), Citroën C8, Peugeot 207, Peugeot 3008 I, Peugeot 308, Peugeot 407, Peugeot 5008 I, Peugeot 807. Use the listed product codes when searching to increase the chance of finding the correct match.
Installation Recommendations
- Disconnect the vehicle battery before beginning any electrical work to avoid short circuits or accidental airbag deployment.
- Locate the relay — on many models it is fitted in the main fuse/relay box or integrated into the seat wiring module; access varies by model and may require removal of trim or seat panels.
- Remove the faulty relay by pulling it straight out of the socket or unclipping the retaining clip. Inspect the socket and connector for corrosion or damaged pins.
- Fit the replacement relay by aligning the pins and pressing it fully into the socket. Reconnect any removed connectors and refit trim panels.
- Reconnect the battery and test the seat heating system at multiple heat settings to confirm correct operation.
- If faults persist after replacing the relay, check wiring, fuses, seat heating elements, and control switches for continuity and proper grounding.
Why The Part Most Commonly Fails
- Electrical Wear: Repeated thermal cycling and switching loads can degrade internal contacts, increasing resistance or causing intermittent operation.
- Corrosion And Moisture: Connector corrosion or moisture ingress can cause poor contact and relay failure.
- Overload And Short Circuits: Faulty heating elements or wiring shorts can overload the relay and lead to premature failure.
- Mechanical Stress: Vibration and poor mounting can damage relay housings or sockets over time.
Benefits For Mechanics And DIY Enthusiasts
- Direct replacement for multiple OE numbers reduces diagnosis and repair time.
- Simple, quick swap procedure suitable for workshops and experienced home mechanics.
- Improves passenger comfort and restores reliable seat heating operation when the relay was the fault.
Notes
Always verify the part number against the unit being replaced and inspect connectors and wiring for damage when replacing the relay. Proper diagnosis of the seat heating circuit helps avoid repeat failures.






