Description
Roof Control Unit For PEUGEOT 307 CC
Overview
High-quality roof control unit for the Peugeot 307 CC, manufactured for Stellantis / Peugeot vehicles. This control module (often searched by part numbers 9647538580 or 6545N1) manages the automatic folding roof sequence, coordinating motors, limit switches, sensors and safety interlocks to ensure smooth opening and closing of the convertible top. Ideal for professional workshops and competent DIY mechanics looking to restore reliable roof operation.
Function And Symptoms
The roof control unit (roof ECU/module) controls the hydraulic/electric actuators, position sensors and safety logic of the folding roof. When the unit fails or malfunctions, common symptoms include:
- Roof does not open or close, or stops mid-cycle
- Intermittent operation or incorrect sequence of roof movements
- Electrical faults reported on diagnostic equipment or blown fuses related to the roof circuit
- Warning lights or error messages in the body/control system
- Unresponsive control switches or safety interlocks preventing movement
How The Part Is Replaced
The replacement process should be carried out by an experienced technician or a confident DIYer with the right tools. Typical replacement steps:
- Disconnect the negative battery terminal before any work to prevent accidental roof movement and electrical damage.
- Access the control unit by removing the interior trim panels in the boot/rear parcel area (the unit is commonly located near the folding mechanism or inside the rear trim on the 307 CC).
- Document and label connectors, then carefully unplug the wiring harness and remove any securing bolts or clips.
- Install the new unit, ensuring all connectors are fully seated and fasteners torqued to spec. Reassemble trim panels.
- Reconnect the battery, perform an initial test and cycle the roof to verify correct operation. If necessary, follow vehicle-specific initialization or adaptation procedures to calibrate roof positions.
Installation Recommendations
- Always disconnect the battery before starting work and follow manufacturer safety procedures.
- Use plastic trim tools to avoid damaging interior panels and retain all clips for reassembly.
- Inspect wiring, connectors and fuses for corrosion or damage—repair or replace as needed before fitting the new unit.
- Test the roof functions before final reassembly of trim to confirm correct sequencing and sensor feedback.
- Apply dielectric grease to multi-pin connectors to prevent future corrosion in wet areas.
- If the roof requires calibration after replacement, follow Peugeot service procedures or use diagnostic tools capable of running roof adaptation sequences.
Most Common Reasons For Failure
- Water Ingress: Moisture or leaks into the rear trim area can corrode connectors and damage the PCB inside the control unit.
- Connector Corrosion Or Broken Wires: Repeated movement of the roof may fatigue wiring or allow corrosion at multi-pin plugs.
- Mechanical Overload: Jammed mechanisms, seized linkages or broken roof components can strain the control unit or blow internal protections.
- Electrical Surges Or Blown Fuses: Short circuits or faulty actuators may cause electrical faults that affect the module.
- Age And Wear: Long service life in a harsh environment (temperature cycles, moisture) can degrade electronic components.
Technical Information
- Manufacturer: Stellantis / Peugeot
- Model: Peugeot 307 CC
- Product Codes: 9647538580, 6545N1
- Additional Numbers: CITROEN / PEUGEOT OEM references
Notes For Mechanics And DIY Enthusiasts
This roof control unit is a direct-fit part for the convertible 307 CC models and is commonly searched by the OE numbers listed above. Before replacing the unit, verify basic items such as fuses, mechanical freedom of the roof mechanism and connector condition—many roof faults are caused by wiring or mechanical issues rather than the ECU itself. After installation, always perform a full roof cycle check and, if applicable, run any required adaptation procedure to ensure correct end-stop positions and sensor calibration. Purchasing a matching unit by the OEM part numbers increases the chance of plug-and-play replacement for experienced technicians.
Ready to restore reliable roof operation in your Peugeot 307 CC? This roof control module with OE references 9647538580 / 6545N1 is aimed at professionals and skilled DIYers who need a correct-fit replacement to get the convertible top working smoothly again.
