Remanufactured ECM for Toyota CorollaThis Cardone Engine Control Module is a remanufactured electronic control module built for OE-style fit and function. It is listed for the 2003 Toyota Corolla with OE number 89661-01040, making it a direct-match option for a Toyota Corolla ECM replacement.Cardone remanufactured engine control modules are reverse engineered to identify common failure points, then critical components are re-soldered or replaced at the Philadelphia manufacturing plant. Each unit is computer tested for reliability before release.Key Features Remanufactured Original Equipment-style engine control module Fits the 2003 Toyota Corolla, N/A 4 connector design with rectangular connector shape Aluminum housing for OE-style packaging 31;35;35;34 terminal layout with male pin terminals No flash programming required and not flashable Reverse-engineered remanufacturing process addresses original design weaknesses Computer tested for functionality before shipment Detailed DescriptionCardone Part Number 72-10074 is a remanufactured Engine Control Module (ECM) for the 2003 Toyota Corolla. It cross-references Toyota OE number 89661-01040 and is built for vehicles that require a direct replacement ECM with the same connector and terminal configuration. This part number, 72-10074, is a practical choice when diagnosing a failed Toyota Corolla engine computer and replacing the original module with an OE-style reman unit.The Cardone Engine Control Module line focuses on restoring electronic control performance by correcting known failure points in the original unit. For this application, the module is remanufactured, tested, and packaged in an aluminum housing with four rectangular connectors. The result is a replacement ECM intended to restore engine management communication and control on the 2003 Toyota Corolla.What This ECM Can Help Resolve No-start condition caused by a failed engine control module Check engine light concerns tied to ECM internal faults Communication issues between the ECM and vehicle systems Driveability problems related to incorrect fuel or ignition control Intermittent electrical faults traced to the original control module Installation Notes and TipsCompatible With 2003 Toyota Corolla, N/A. Verify the OE number 89661-01040 before installation, and confirm the original failure was not caused by poor grounds, wiring harness damage, shorted relays, or shorted solenoids. The fitment notes state that immobilizer reset is required; refer to an OE service manual for the correct procedure. This part number, 72-10074, is not flashable and does not require flash programming.Quality AssuranceCardone remanufactured control modules are tested with automated computer equipment or bench-tested, depending on application, and the remanufacturing process reduces raw material and energy use compared with producing a new part. The module is built to meet or exceed OE performance expectations for the listed Toyota Corolla application.
