Description
BOSCH parking assistance control unit for Citroën and Peugeot vehicles. Front and rear sensors. From a 2006 Citroën C5.
This Bosch parking assist ECU is a direct-fit control module designed to manage ultrasonic parking sensors on compatible Citroën and Peugeot models. It receives and processes signals from front and rear sensors, evaluates distance to obstacles and supplies audible/visual warnings to the driver. The unit is identified by common OEM and supplier numbers, making it easy to find by part number during diagnostics or when ordering a replacement. Ideal for professional workshops and experienced DIY mechanics looking to restore full parking-assist functionality.
Technical Information
Manufacturer: Bosch / Stellantis Compatible
Model: Parking Assistance Control Unit (Parking ECU)
Product Codes: 9649604380, 0263004089, 6590A3
Other Numbers: 6590A4, 6590A1, 6590A2
Application And Compatibility
Unit Removed From: 2006 Citroën C5. Fits Selected Citroën And Peugeot Vehicles Equipped With Bosch Parking Assistance Systems Carrying The Above Part Numbers. Customers Often Search By Numbers Such As 9649604380 Or 0263004089 When Replacing The Parking ECU.
Installation Recommendations
Replacement should be performed by a qualified technician or an experienced DIY mechanic comfortable with vehicle electrics. General steps:
- Disconnect The Negative Battery Terminal Before Starting To Prevent Electrical Damage.
- Locate The Parking ECU — Depending On Model It Is Commonly Installed In The Trunk Area, Behind Interior Trim Panels Or Near The Rear Bumper.
- Remove Interior Trim Panels Carefully To Access The Connector Harness And Mounting Bolts.
- Unplug The Sensor Harness And Ground Connections, Then Remove The Old Unit.
- Install The Replacement ECU, Reconnect Harnesses Securely And Refit Trim.
- Restore Battery Power And Perform A System Check. In Most Cases The Unit Will Require Vehicle Integration Or Coding Using A Diagnostic Tool (For PSA Vehicles Tools Like DiagBox/Professional OBD Interfaces May Be Needed) To Confirm Proper Communication With The Instrument Cluster And Sensors.
Common Failure Causes
Parking ECUs Are Generally Durable, But Failures Most Often Occur Due To:
- Moisture Ingress Or Corrosion On Connectors Caused By Water Penetration Around Bumpers Or Trunk Seals.
- Impact Or Collision Damage To Sensors Or Wiring Resulting In Short Circuits Or Fault Codes That Affect The ECU.
- Electrical Surges Or Faulty Vehicle Grounding Leading To Internal Component Damage.
- Intermittent Sensor Failures That Lead To Repeated Error States And Stress The Control Unit.
There Is No Fixed Service Interval; Lifespan Depends On Vehicle Use, Exposure To Moisture And Road Debris. When A Parking System Shows Persistent Faults, Audible Errors, Or Multiple Sensor Failures, The ECU Is A Common Component To Inspect.
Why Choose This Part
Buying By Part Number Ensures Fast Identification: Search Terms Like Bosch Parking ECU 9649604380, 0263004089 Or 6590A3 Are Frequently Used By Professionals. The Unit Restores Full Front And Rear Parking Assistance Capabilities When Matched To A Compatible Vehicle And Properly Coded.
If You Are Replacing This Module Yourself, Prepare The Right Tools: Trim Tools, A Multimeter For Quick Connector Checks, And Access To A Diagnostic Interface For System Initialization And Fault Clearing.
Order Now To Get A Replacement Parking Assist Control Unit Recognized Under Part Numbers 9649604380 / 0263004089 / 6590A3 — Commonly Used By Citroën And Peugeot Models Including The 2006 Citroën C5.
