Roof Sunshade Switch Citroën Peugeot 96590657BJ 649039

Description

Control Switch For Roof Sunshade For Citroën C4 Grand Picasso

The roof sunshade control switch is a direct-fit replacement designed to operate the interior sunshade of the overhead roof on Citroën C4 Grand Picasso vehicles. It restores manual control of the sunshade motor and integrates with the vehicle’s interior switch cluster. Commonly searched by part numbers 96590657BJ and 649039, this switch is suitable for both workshop technicians and experienced DIY mechanics.

This switch controls the opening and closing of the fabric sunshade, providing user comfort by blocking direct sunlight and reducing interior temperature. It features standard PSA electrical connectors and mounting points for simple integration into the original overhead console. Using the correct part number ensures plug-and-play fitment in compatible models.

Technical Information

• Manufacturer: Stellantis (Citroën/Peugeot)
• Model: Citroën C4 Grand Picasso; Citroën C4 Picasso
• Product Codes: 96590657BJ, 649039
• Additional Numbers: N/A

Installation Recommendations

• Disconnect The Battery Before Starting Work To Avoid Short Circuits And To Protect Vehicle Electronics.
• Use Plastic Trim Tools To Remove The Overhead Console And Headliner Trim To Prevent Damage To Clips And Upholstery.
• Inspect Wiring Harness And Connector For Corrosion Or Bent Pins Before Reinstalling The New Switch.
• Verify Fuse And Sunshade Motor Operation If The New Switch Does Not Respond—Fault May Be Upstream.
• Test Full Functionality (Open/Close/Limit Positions) Before Final Reassembly.

Why The Part Fails Most Often

• Mechanical Wear Of Internal Contacts From Frequent Use Leading To Intermittent Operation Or Total Failure.
• Ingress Of Moisture Or Dirt Causing Corrosion And Poor Electrical Contact.
• Broken Or Worn Plastic Actuators And Mounting Tabs From Accidental Force Or Age.
• Electrical Issues Upstream Such As Blown Fuse, Faulty Motor, Or Damaged Wiring Harness.

Replacement Procedure (Overview)

1. Disconnect The Negative Battery Terminal And Wait A Few Minutes For Systems To Power Down.
2. Carefully Remove The Interior Trim Surrounding The Overhead Console Using Trim Tools.
3. Unscrew The Overhead Console Fasteners And Lower The Console To Access The Switch Connector.
4. Unplug The Electrical Connector From The Old Switch, Remove The Switch From Its Mounting, And Fit The New Switch In Place.
5. Reconnect The Connector, Refit The Console, Reassemble Trim Panels, And Reconnect The Battery.
6. Test The Sunshade Operation Through Several Cycles Before Completing The Job.

Maintenance And Lifespan

Switch Lifespan Varies With Use And Environment; Under Normal Conditions A Switch Should Last Many Years. Regularly Keep Interior Areas Clean And Avoid Spilling Liquids Near Controls. If Operation Becomes Intermittent, Inspect Contacts And Connector For Corrosion Early To Prevent Further Damage.

Notes For Professionals And Enthusiasts

This part Is Intended As A Direct Replacement For The Listed Models. When Replacing Interior Controls, Take Care Around Airbag Modules And Follow Manufacturer Guidelines For Trim Removal To Avoid Damage. If The Sunshade Still Fails After Switch Replacement, Check The Motor, Track Mechanism, And Electrical Supply Circuits.