Genuine Toyota Sienta Smart Key Control Module Ignition Anti-Theft ECU Denso (Part No: 89990-52650 / A7)

Condition: Used (Good - Includes remaining factory wiring plug harness pigtails)

Part: Smart Keyless Entry Security Control Module ECU

Compatible with: Toyota Sienta (2nd Generation)

Chassis Fitments: NSP170 / NSP170G / NCP175 / NHP170 [Please verify your specific model year package] Designation Identifier: A7 Box Platform Configuration

Genuine Toyota factory central Smart Key security immobilizer and keyless asset gateway computer. If your vehicle is refusing to detect your remote fobs, will not authorize the dashboard ignition to switch on when pressing the start button, or constantly flashes a "Key Not Detected" dashboard warning matrix despite having fresh key batteries, replacing a corrupted smart key computer box will allow your technician to re-stabilize the vehicle's secure wireless framework.

Fitment note: Sourced from an original factory Toyota Sienta configuration. Please cross-reference your specific original module's stamped faceplate sequence (89990-52650 / Denso Model ID: 232900-8340 / Voltage layout: 12V) to guarantee a direct hardware compatibility match for your vehicle options tier.

⚠️ Important Security Installer Note: Because the Smart Key ECU serves as a core anti-theft asset linked to the vehicle's rolling engine codes, it is permanently locked down to its original vehicle metadata. Getting this installed requires professional programming with a specialized Toyota diagnostic interface or an advanced bench EEPROM clone to pair your existing transponder keys before standard operation can resume.

Warranty: 1 month warranty covering rolling code radio frequency decryption loops and passive start authorization relays.