Description
Start-Stop Inverter Unit For Citroën And Peugeot Vehicles.
Description
This Start-Stop inverter/control unit is designed for Citroën and Peugeot vehicles equipped with factory start-stop systems. It manages the power conversion and control logic that allows the engine to stop and restart automatically at idle, helping to reduce fuel consumption and emissions while maintaining reliable restarts and battery management. Commonly searched by part numbers 9802096780, 9802096780-04 and 9679123280, this unit is suitable for workshops and DIY mechanics looking for a direct replacement component.
Key Features And Benefits
- Direct Replacement For Start-Stop Functionality: Restores automatic engine stop/start operation and related energy management.
- Compatibility With Citroën And Peugeot Models: Matches factory specifications where the listed part numbers are used.
- Improved Vehicle Efficiency: Ensures smooth restarts and helps maintain the intended fuel-saving behavior of the vehicle.
- Easy Identification By Part Number: Frequently searched and sold under OEM codes for fast lookup in parts catalogs.
Technical Information
- Manufacturer: Continental (for Stellantis vehicles)
- Model: Start-Stop Inverter/Converter Unit
- Product Codes: 9802096780; 9802096780-04; 9679123280
- Other Numbers: 9802096780 9802096780-04 9679123280
Installation Recommendations
Follow safe workshop practice during replacement. Prior to any work, disconnect the vehicle battery and wait the recommended time to avoid short circuits. Access the unit according to the vehicle’s service manual (typically located in the engine bay or near the battery area). Carefully disconnect all electrical connectors and fasteners, note connector positions, remove the old unit and install the replacement. Ensure all seals and mating surfaces are clean and undamaged. Reconnect connectors with secure engagement and torque fasteners to manufacturer specifications. After installation, verify Start-Stop operation and check battery state and charging system. For vehicles that require configuration or adaptation after replacement, a diagnostic tool compatible with PSA/Stellantis protocols may be necessary.
Why This Part Most Often Fails
- Electrical Stress And Surges: Voltage spikes from charging system faults can damage internal electronics or capacitors.
- Corrosion And Water Ingress: Exposure to moisture or road contaminants can corrode connectors and internal components.
- Thermal Stress: Repeated heat cycles in the engine bay shorten the life of electronic components.
- Battery Or Charging System Problems: A weak battery or faulty alternator increases load on the unit and can lead to premature failure.
Practical Tips For Mechanics And DIYers
- Always Check Battery Health First: Replace or fully charge a weak battery before fitting a new unit to avoid immediate re-failure.
- Inspect Wiring And Grounds: Fix any corroded connectors, damaged wiring or poor earth connections to prevent recurring faults.
- Use Correct Tools And Torque Settings: Avoid overtightening or damaging mounting points and connectors.
- Perform A System Check Post-Installation: Use a diagnostic scanner to read fault codes and confirm correct Start-Stop operation.
