Remanufactured ECM for Toyota PriusThis Cardone Engine Control Module is a remanufactured electronic and powertrain control module built for direct replacement in the 2003 Toyota Prius with OE number 89661-47054. It is engineered to restore factory-level engine management performance with a fit that matches the original aluminum housing and connector layout.Cardone remanufactured control modules are reverse-engineered to identify common failure points, then rebuilt with critical components re-soldered or replaced and verified through computer testing. For 2003 Toyota Prius ECM replacement needs, part number 72-11159 provides a service-ready solution for vehicles requiring immobilizer reset procedures.Key Features Fits 2003 Toyota Prius, N/A Direct OE-style remanufactured Engine Control Module Aluminum housing with 4 rectangular connectors 31, 24, 28, and 22 terminal configurations with male pin terminals No flash programming required and not flashable Reverse-engineered remanufacturing process addresses original design weaknesses Computer tested for functionality and durability validation Earth-friendly remanufacturing process reduces raw material and energy use versus new part production Detailed DescriptionCardone 72-11159 is a remanufactured ECM for the 2003 Toyota Prius, designed to match the original equipment fit and electrical interface. This module is built for vehicles using OE # 89661-47054 and is intended for applications where the factory control unit has failed or is no longer operating correctly. The part number 72-11159 is a direct reference for buyers searching for a Toyota Prius engine control module replacement.The Cardone Engine Control Module line focuses on restoring reliable control by rebuilding critical circuitry, then validating each unit with automated testing or bench testing depending on application. This approach helps ensure stable communication and dependable engine management after replacement.What It Can Help Solve No-start condition related to a failed engine control module Check engine light caused by internal ECM failure Driveability problems tied to corrupted or unstable control signals Communication faults between the ECM and vehicle systems Intermittent electrical issues traced to damaged module circuitry Installation Notes and TipsBefore replacing the original ECM, confirm the root cause of the failure. Common causes include poor grounds, power supply issues, damaged wiring harnesses, and shorted solenoids or relays. For this 2003 Toyota Prius application, immobilizer reset is required; refer to the service manual for the correct procedure. Verify OE number 89661-47054 and connector match before installation. Part number 72-11159 does not require flash programming and is not flashable.This part cross-references Toyota OE number 89661-47054 for the same application.Quality AssuranceCardone remanufactured electronic and powertrain control modules are rebuilt to meet or exceed original equipment performance targets. Each unit is computer tested, and critical components are reworked at Cardone’s Philadelphia manufacturing plant to improve electrical integrity and long-term reliability.