The used cruise control radar TRW 9800563180 is an original PSA part designed for Citroën, Peugeot and selected Opel, Fiat and Toyota models. This is an active radar for cruise control systems, possibly adaptive cruise control and speed control assistance systems. The part is especially suitable for professional car mechanics and experienced home repairers who are looking for a cost-effective replacement of the original part while maintaining the full functionality of the system.

Technical information
Manufacturer: TRW / PSA
Model: ACTIVE cruise control radar
Part type: Cruise control radar / radar sensor for assistance systems
Category: Electrical components – others – control units

Product codes:
9800563180

Other numbers (frequently searched for equivalents and designations):
PSA CITROEN PEUGEOT 9800563180
It can also be found under different OEM numbers of the manufacturer TRW or under the catalog numbers of individual brands (Opel, Fiat, Toyota) depending on the specific equipment and year of manufacture of the car.

Typical use in Citroën and Peugeot cars
This TRW 9800563180 cruise control radar is mainly used on more modern Citroën and Peugeot models equipped with active/automatic cruise control and advanced safety systems. You can often meet it, for example, with models:
– Citroën C4 II
– Citroën C4 Picasso II
– Peugeot 3008 I
– Peugeot 308 T9
– Peugeot 5008 I

Specific use always depends on the motorization, equipment and year of manufacture of the car. When looking for a replacement, the exact product number 9800563180 is usually used.

Features and benefits of the piece
– Ensures the correct functioning of active or adaptive cruise control
– Contributes to safely maintaining the set speed and distance from the vehicle in front (depending on the vehicle equipment)
– A properly functioning radar increases driving comfort, especially on longer routes and highways
– An original used part is often significantly cheaper than a new part, while allowing the original functions of the car to be preserved

Installation recommendations
– Ideally entrust the installation to an experienced auto mechanic with experience with electronic systems and assistance radars.
– Before disassembling the old part, disconnect the battery to avoid damaging the electronics.
– Pay attention to the correct mechanical attachment and position of the radar – even a small misalignment can cause the system to malfunction (error messages, incorrect speed regulation).
– After installation, it is usually necessary to calibrate the radar using a diagnostic device according to the vehicle manufacturer’s procedure. Without calibration, the active cruise control system may function incorrectly or not at all.
– Check connectors and cable harnesses for damage, corrosion or looseness.
– After completing the installation, perform a test drive and verify that the on-board computer does not display error messages related to the cruise control or safety systems.

This TRW 9800563180 cruise control radar is a suitable choice for the repair and restoration of the functionality of assistance systems in Citroën, Peugeot and other Group brands, if you need to maintain the original specification of the part and you are looking for a solution according to a specific product number.

Product Overview

This horn is a direct-fit replacement designed for the Peugeot 308 T9 and is supplied with a sturdy bracket for secure attachment to the car body. Ideal for professional workshops and DIY mechanics, this unit restores the vehicle’s audible warning system and carries the common reference number 9800563180 for straightforward searching and ordering.

Key Benefits

• Direct replacement for Peugeot 308 T9 — fast and reliable fitment.
• Supplied With Mounting Bracket — simplifies installation and alignment.
• Designed For Workshop And DIY Use — clear installation steps and basic diagnostic checks suitable for technicians and competent owners.
• Search-Friendly Part Number — 9800563180 commonly used in parts catalogs and online searches for quick identification.

Function And Common Failure Modes

The horn provides an audible warning signal as part of the vehicle’s safety equipment. Typical reasons for horn failure include electrical issues (blown fuse, faulty relay, damaged wiring or connector), corrosion at the terminals, water ingress, physical damage from impacts, and general wear of internal components. In many cases the horn itself is fine but the fault lies in the supply circuit (fuse/relay/switch), so basic electrical checks are recommended before replacing the unit.

Installation Guide

Replacement is straightforward for an experienced mechanic or competent DIYer. Typical steps:

• Disconnect The Battery Before Work To Avoid Short Circuits Or Accidental Airbag Deployment.
• Locate The Existing Horn — usually mounted to a body panel or radiator support using a bracket.
• Remove The Electrical Connector And Any Protective Covers.
• Unscrew The Mounting Bolts And Remove The Old Horn With Its Bracket If Applicable.
• Fit The New Horn To The Body Using The Supplied Bracket, Tighten Fasteners Securely, And Reconnect The Electrical Connector.
• Check The Horn Operation — If It Does Not Sound, Inspect Fuse, Relay, And 12V Supply At The Connector.
• Apply A Small Amount Of Dielectric Grease On Connectors To Reduce Corrosion Risk And Refit Any Removed Trim.

Installation Recommendations

• Use Appropriate Tools And Replace Any Damaged Fasteners Or Clips To Ensure A Secure Mounting.
• Verify Fuse And Relay Condition Before Replacing The Horn To Avoid Unnecessary Part Replacement.
• Protect Electrical Connectors From Moisture Using Dielectric Grease Or Sealing Boots When Reassembling.
• Test The Horn With A Second Person Operating The Horn Switch While You Monitor Voltage At The Connector.

Most Common Reasons The Part Fails

• Corrosion And Water Ingress Causing Poor Electrical Contact.
• Blown Fuse Or Faulty Relay In The Horn Circuit.
• Damaged Wiring Or Connector Due To Road Debris Or Rodent Activity.
• Mechanical Damage From Impacts Or Long-Term Wear Of Internal Components.

Technical Information

• Manufacturer: Stellantis / Peugeot
• Model: Peugeot 308 T9
• Product Codes: 9800563180
• Additional Numbers: —

Notes For Professionals

This horn is commonly referenced by the part number 9800563180 in parts catalogs and diagnostic lists. When replacing, consider checking the full horn circuit (fuse, relay, switches, and ground) to ensure the fault is not elsewhere. For secure long-term operation, ensure the mounting bracket positions the horn away from direct exposure to road spray where possible.