Description
Parking Assist Control Unit For Peugeot 3008 And 5008 First Generation. Front And Rear Sensors.
This parking assist ECU is a direct-fit control unit intended for Peugeot 3008 and Peugeot 5008 first generation vehicles. Designed for professional workshops and experienced DIY mechanics, it restores functionality to front and rear parking sensors, resolving missing sensor detection, intermittent beeps, or total parking aid failure. Customers often search by part numbers: 9666663880, 1607733080, 6590KE.
Technical Information
- Manufacturer: Stellantis (Citroën / Peugeot)
- Model: Peugeot 3008 I, Peugeot 5008 I
- Product Codes: 9666663880, 1607733080, 6590KE
- Other Numbers: Common OE references used in Stellantis parts catalogs
Compatibility And Fitment
Fits first generation Peugeot 3008 and 5008 vehicles equipped with front and rear parking sensors. When searching for a replacement, use the listed product codes to locate the correct unit for your vehicle. Compatibility depends on vehicle equipment level and original factory configuration.
Installation And Replacement
Replacement should be performed by a competent technician or an experienced DIYer who is comfortable with automotive electrics. Typical replacement steps:
- Disconnect the vehicle battery before starting to avoid short circuits and protect the electronics.
- Access the control unit by removing the appropriate interior trim panels in the rear area where the parking ECU is mounted; protect clips and trim to avoid damage.
- Unplug the multi-pin connectors and any sensor harness plugs. Inspect connectors for corrosion or bent pins.
- Swap the unit, secure the bracket, reconnect all plugs and reassemble trim.
- Reconnect the battery, clear parking system fault codes with a diagnostic scanner and perform a system test. Some vehicles may require initialization or adaptation of the sensors via a diagnostic tool.
Recommended Tools: Trim removal tools, appropriate screwdrivers/Torx bits, multimeter, and a diagnostic scanner capable of reading and clearing fault codes for Peugeot systems.
Installation Recommendations
Always disconnect the battery before work. Handle the ECU and connectors carefully and avoid static discharge. Inspect wiring and sensor connectors while replacing the unit — faulty wiring or damaged sensors often cause repeat failures. After installation, perform a full system check and clear stored errors with a diagnostic device.
Why This Part Commonly Fails
Common causes of parking ECU failure include moisture ingress and corrosion in connectors, impacts to the bumper or sensors that create electrical shorts or open circuits, water ingress after body repairs, and wiring harness damage. Environmental exposure (road salt, high humidity) and previous improper repairs are frequent contributors. In some cases, sensor damage or faulty cabling is mistaken for ECU failure; always verify wiring and sensors during diagnostics.
Durability And Maintenance
The control unit itself is robust, but long-term reliability depends on protected mounting and healthy connectors. Regularly check sensor faces for dirt, remove debris, and inspect harnesses after impacts or bodywork. If sensors are physically damaged, replace them to avoid overloading the control unit with erroneous signals.
Notes For Professionals And DIY Mechanics
Search using the OE numbers provided to speed up parts identification. When replacing the ECU, confirm that connectors are clean and fully engaged. If diagnostics show persistent sensor faults after replacing the control unit, investigate individual sensor operation and wiring continuity before considering a second ECU replacement.








