Description
Parking Assistant Control Unit for Citroën and Peugeot Vehicles
Product Overview
This parking assistant control unit is designed for Citroën and Peugeot vehicles and manages ultrasonic parking sensors and the related park assist logic. It interprets sensor signals, evaluates obstacle distances and triggers acoustic and visual warnings or automatic braking inputs depending on vehicle equipment. The unit is commonly referenced under part numbers 9629825280 and 659078 and is suitable for models such as Citroën C5, Citroën C8 and Peugeot 807.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Citroën C5, Citroën C8, Peugeot 807
- Product Codes: 9629825280, 659078
- Other Numbers: 601.746 NFP
How The Unit Works
The control unit receives input from ultrasonic sensors located in the bumpers, processes distance and object detection algorithms and then communicates with the dashboard and any actuators to provide audible/visual alerts. In systems with automated park assist features it also coordinates with braking or steering subsystems according to the vehicle configuration.
How To Replace
Locate The Unit Typically Behind Trim Panels In The Boot Or Mounted Near The Rear Bumper Area Depending On Model Configuration. Replacement Steps:
- Disconnect The Battery Before Starting To Prevent Short Circuits And Protect Electronics.
- Remove Interior Trim Or Covers To Access The Control Unit.
- Note Connector Positions And Unplug The Wiring Harnesses Carefully.
- Unbolt The Old Unit, Install The New Unit In The Same Position And Securely Fasten Fasteners.
- Reconnect The Wiring Harnesses Making Sure All Pins And Seals Are Clean And Intact.
- Reconnect The Battery And Perform System Check And Sensor Calibration/Initialization With A Compatible Diagnostic Tool If Required.
Installation Recommendations
Handle The Unit As An Electronic Module: Avoid Static Discharge And Do Not Expose Connectors To Contaminants. Replace Any Damaged Seals Or Sensor Grommets To Keep Moisture Out. After Installation, Run A Full System Diagnostic And Calibrate The Sensors To Ensure Proper Range And Alarm Behavior. Use A Professional Diagnostic Tool Compatible With PSA/ Stellantis Protocols When Performing Initializations Or Advanced Adaptations.
Most Common Failure Reasons
Failures Are Typically Caused By Moisture Ingress, Corrosion Of Connectors Or Wiring, Physical Damage From Impacts, Faulty Ultrasonic Sensors Or Wiring Harness Faults. Electrical Surges And Poor Grounding Can Also Damage Internal Electronics. When Failures Occur They Often Present As Intermittent Warnings, Loss Of Sensor Readings, Or Constant False Alarms.
Durability And Maintenance
When Properly Installed And Protected From Water And Mechanical Damage, Parking Assistant Control Units Can Last Many Years. Regular Inspection Of Bumper Sensors, Connector Seals And Wiring Routing Helps Prevent Premature Failures. Address Sensor Faults Promptly To Avoid Overloading Or Repeated Error Conditions In The Control Unit.
Compatibility And Part Numbers
Search By Part Numbers 9629825280 Or 659078 For Fast Matching. Confirm Physical Connector Type And Mounting Location Against Your Vehicle Before Installation. The Unit Is Known To Be Used On Citroën C5, Citroën C8 And Peugeot 807 Configurations.
Order This Parking Assistant Control Unit To Restore Reliable Parking Aid Functionality And Minimize Workshop Downtime. Suitable For Professional Garages And Experienced DIY Technicians.
