Description
Bosch parking assistant control unit for Citroën and Peugeot vehicles. Front and rear sensors. Origin: 2006 Citroën C5.
This Bosch Parking Assistant ECU Is Designed To Manage Ultrasonic Front And Rear Sensors, Providing Distance Measurement And Audible/Visual Warnings During Low-Speed Maneuvers. It Is A Frequently Sought Replacement By Garages And DIY Enthusiasts Working On Stellantis Vehicles, Especially When The Original Unit Shows Fault Codes Or Intermittent Sensor Behavior. Common Search Terms Include Bosch Parking ECU, Parking Assist Control Unit, And The OEM References Listed Below.
Technical Information
- Manufacturer: Bosch
- Model: Parking Assistant Control Unit
- Product Codes: 9649604380, 0263004089
- Additional Numbers: 6590A3, 6590A4, 6590A1, 6590A2, 263004089
- Compatible Vehicles: Citroën C5 (2006) And Other Citroën/Peugeot Models Sharing The Above References
- Function: Controls Ultrasonic Front And Rear Parking Sensors, Processes Sensor Signals, Communicates With Vehicle Networks, And Triggers Audible/Visual Alerts
Installation Recommendations
- Disconnect The Negative Battery Terminal Before Any Work To Prevent Short Circuits And Fault Codes.
- Locate The Unit According To Vehicle Layout; Remove Trim Panels Carefully To Access The ECU And Sensor Connectors.
- Inspect Wiring Harnesses And Connectors For Corrosion Or Mechanical Damage Before Installing The Replacement Unit.
- Fit The Replacement ECU Using Original Connectors; Ensure Secure Locking Tabs And Proper Grounding.
- After Mechanical Installation, Clear Stored Fault Codes And Perform A Diagnostic Check With A Suitable Scanner (For Example DiagBox Or Bosch-Compatible Tools). Some Vehicles Require Module Coding Or Adaptation Procedures To Register The New Unit.
- Verify Sensor Operation By Performing A Functional Test: Activate Parking Aid And Confirm Audible/Visual Feedback For All Sensor Positions.
Reason Why The Part Most Often Fails
Parking Assistant ECUs From The 2000s Primarily Fail Due To Moisture Ingress And Connector Corrosion, Especially In Vehicles Exposed To Road Salt And Wet Conditions. Mechanical Damage From Impacts To The Bumper Or Sensors Can Also Cause Short Circuits Or Erroneous Signals That Damage The Control Unit. Electrical Surges, Faulty Sensors Causing Constant Load, And Chafed Wiring Are Other Common Causes.
Replacement Tips: When Replacing The ECU, Always Check The Condition Of Individual Ultrasonic Sensors And The Wiring Loom. A New Control Unit May Show Immediate Fault Codes If A Faulty Sensor Remains Connected. For Reliable Results, Repair Or Replace Damaged Sensors And Corroded Connectors Before Finalizing The Installation.
This Bosch Parking Assistant ECU With The Listed References Is A Practical Choice For Workshops And Experienced DIY Mechanics Requiring A Direct Fit Replacement For Citroën And Peugeot Vehicles That Use These Part Numbers.
