Description
Central Locking Controller For Citroën Peugeot. It Is For Citroën C4 Picaso And Grand Picasso Up To 2013.
This central locking controller is a direct-fit electrical control unit designed for Citroën/Peugeot vehicles. Ideal for professional workshops and competent DIY mechanics, this unit restores reliable central locking and remote locking functions on affected C4 Picasso and Grand Picasso models up to 2013. The part is commonly referenced by product codes 96553146ZD and 6554XZ, so customers often search using these numbers when looking for a replacement.
Features And Benefits
- Direct replacement for factory central locking controller—maintains original functions such as remote locking/unlocking and door lock actuation.
- Compatible With Citroën C4 Picasso And Grand Picasso Models Up To 2013—saves time by matching OEM fitment in most cases.
- Improves Vehicle Security And Convenience—restores consistent locking, prevents intermittent failures and keyless entry issues.
- Plug-And-Play Electrical Connectors—keeps installation simple for trained technicians; verify connector orientation before mating.
Fitment
Designed For: Citroën C4 Picasso And Citroën Grand Picasso (models up to 2013). Check The Vehicle Generation And Door Module Layout To Confirm Physical Fitment.
Installation Recommendations
- Disconnect The Battery Before Starting Work To Avoid Short Circuits And Protect Vehicle Electronics.
- Access The Unit According To Vehicle Service Manual—The Controller May Be Located Behind Interior Trim Panels Or Under The Dashboard Depending On Model Year And Equipment.
- Carefully Unplug Connectors And Note Any Retaining Clips Or Brackets. Avoid Pulling On Wiring Looms.
- Compare The Replacement Unit With The Old Part For Connector Type And Mounting Points Before Final Installation.
- After Installing, Reconnect The Battery And Verify Lock/Unlock Functions On All Doors And Remote Keys Before Reassembling Trim.
- If The Vehicle Is Equipped With Immobiliser Or Key Pairing, Follow The Manufacturer’s Procedure For Key Synchronisation If Required.
Why The Part Commonly Fails
- Water Ingress And Corrosion—Moisture Reaching Connectors Or The Unit Can Cause Intermittent Contact And Electrical Failures.
- Wear Of Internal Relays Or Microswitches—Repeated Use Over Many Years Can Lead To Mechanical Or Electrical Wear.
- Electrical Surges Or Short Circuits—Faulty Wiring Or Aftermarket Accessories Can Damage The Controller Electronics.
- Physical Damage—Impact, Improper Removal Or Crushing During Panel Removal Can Break Housing Or Mounts.
Technical Information
- Manufacturer: Stellantis (Citroën/Peugeot)
- Model: Citroën C4 Picasso, Citroën Grand Picasso (up to 2013)
- Product Codes: 96553146ZD, 6554XZ
- Other Numbers: N/A
Additional Notes For Technicians
When replacing central locking controllers, always inspect associated wiring, door actuators, and ground connections—faulty cabling or a defective door lock motor can produce the same symptoms as a failed controller. Test Related Components Before Concluding The Controller Is At Fault.
