Description
Product Overview
Part Name: Transmission Control Module (TCU / TCM)
Part Number: L5E4-189E1A
Vehicle Compatibility: Mazda 3 BK/BL, Mazda 5 CR and Mazda 6 GH Cars (2006–2014) equipped with electronically controlled automatic transmissions using TCU reference L5E4-189E1A. Applicable to compatible petrol variants across these platforms.
Configuration: Electronic transmission control unit designed to manage shift logic, solenoid control and communication between the engine ECU and automatic gearbox. Built with OEM-style housing and connectors for direct installation.
Function: Controls gear selection and transmission response to ensure smooth shifting and stable drivability. Helps resolve harsh shifts, delayed engagement, warning lights and limp-mode conditions caused by TCU faults.
Technical Specifications
Type: Transmission Control Module (TCU / TCM)
Transmission Type: Automatic Transmission
Material: Sealed electronic control module with integrated circuitry
Application: Direct-fit replacement for Mazda 3 BK/BL, Mazda 5 CR & Mazda 6 GH Cars (2006–2014) using TCU reference L5E4-189E1A
Cross-Reference: L5E4-189E1A
Installation: Mounts within the transmission control system; professional installation recommended, including fault-code clearing and system verification after installation
Service Interval: Replace when shifting irregularities, transmission warning messages or diagnostic fault codes indicate TCU malfunction
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 days internationally
Payment & Security
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