Description
Heating control for manual climate control for Citroën C1 and Peugeot 107 up to 2014. Available to purchase also with linkages.
Product Overview
This is a direct-fit manual heater control unit designed for Citroën C1 and Peugeot 107 models produced up to 2014. The panel allows control of fan speed, temperature mixing and airflow direction for vehicles equipped with manual climate control. It is a commonly replaced component in older small city cars where knobs, potentiometers or mechanical linkages wear out over time.
Function
The unit controls the following functions on vehicles with manual HVAC systems: fan speed selection, temperature adjustment (blend), airflow distribution (face/feet/windshield) and, depending on variant, air recirculation. On many models the control panel transmits movement via cables (linkages) to internal heater/airbox flaps; some versions include the cable set as part of the assembly.
Replacement Procedure
- Disconnect the negative battery terminal before starting to avoid short circuits and protect vehicle electronics.
- Carefully remove surrounding trim panels in the center console to access the heater control unit. Use trim tools to avoid damaging plastic clips.
- Unscrew mounting fasteners and gently pull the unit forward to access electrical connectors and any cable linkages.
- Release electrical connectors and detach control cables if present (note their routing and orientation for reassembly).
- Install the new unit by reversing the removal steps: connect electrical plugs, reattach cables and secure the unit with original fasteners. Refit trim panels and reconnect the battery.
Installation Recommendations
- Always disconnect the battery before removal and follow the vehicle manufacturer’s assembly/disassembly sequence to avoid damage to connectors and control modules.
- If the unit is supplied with control linkages, ensure cables are routed and clipped in the same positions as the originals to prevent binding of the heater/ventilation flaps.
- Check related components during replacement: cable ends, cable guides, dash clips and the condition of the ventilation flaps/blend door actuators. A faulty actuator or blocked duct can mimic a control panel fault.
- Use basic hand tools and plastic trim tools; avoid prying directly on the faceplate to prevent cosmetic damage.
Why The Part Fails
Common failure modes include worn rotary potentiometers or switches, broken plastic knobs or mounting tabs, and frayed or detached control cables. Frequent use, exposure to heat cycles and mechanical stress on small plastic parts accelerate wear. Dust and debris from the HVAC ducts can also affect switch feel and electrical contacts over time.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C1, Peugeot 107 (up to 2014)
- Product Codes: 55900-0H040, 55900-0H020
- Additional Numbers: 6452P6, 6451SK
Compatibility Notes
This heater control is intended for vehicles listed above; compatibility is typically confirmed by the product codes stamped on the original part. When ordering, match the product code printed on your existing unit to ensure correct fitment and function. Units are commonly sought under the referenced product numbers.
Who Should Install
The replacement is suitable for experienced DIYers with basic dashboard trim experience and for professional technicians. If you are unsure about handling dashboard components or cable routing, consider professional installation to avoid damage to interior trim or HVAC components.
