Searching for a TOYOTA Passo Transmission 1.0L 4WD CVT Automatic (1KR-FE, OEM 30400-B1100) with precise specifications and confirmed OEM compatibility? This CVT automatic transmission assembly is engineered specifically for the 4WD variant of the Toyota Passo equipped with the fuel-efficient 1.0-litre 1KR-FE petrol engine, delivering smooth, stepless acceleration, dependable traction, and refined drivability across varied road and weather conditions.
Designed for Toyota Passo 4WD models, this CVT transmission integrates seamlessly with the engine’s torque output and the vehicle’s all-wheel-drive system. Its continuously variable ratio design, optimized belt-and-pulley mechanism, and accurately calibrated coordination between the transmission control unit (TCU), engine control module (ECM), and 4WD traction controls ensure linear power delivery, reduced drivetrain shock, and confident traction whether navigating urban streets, slippery surfaces, or light off-road terrain.
Owners commonly seek a replacement Toyota Passo 1.0 4WD CVT Automatic Transmission when experiencing symptoms such as hesitation during acceleration, juddering or vibration, delayed engagement, abnormal transmission noise, 4WD engagement issues, warning indicators, or reduced fuel efficiency. Because CVT systems—especially in 4WD configurations—require exact mechanical and electronic matching, confirming the correct engine specification 1KR-FE, drivetrain type 4WD, and OEM part number 30400-B1100 before purchase is essential for reliable performance and long service life.
This transmission assembly is ideal for buyers seeking a direct-fit or OEM-compatible replacement that restores factory-level smoothness, traction performance, and driving confidence. Accurate specification matching ensures proper electronic synchronization, stable hydraulic control, and seamless integration with the 4WD system—helping protect internal components and maintain long-term durability.
Installing an incompatible or incorrectly specified CVT transmission can result in persistent fault codes, erratic performance, drivetrain binding, overheating risk, belt or pulley wear, and premature internal wear. Choosing the correct transmission specification safeguards the entire drivetrain and helps avoid unnecessary repair costs.
Before purchasing, always verify the vehicle model (TOYOTA Passo), engine type (1.0L Petrol 1KR-FE), drivetrain (4WD), transmission type (CVT Automatic), and exact OEM part number (30400-B1100). Proper verification ensures accurate fitment, smooth operation, and dependable performance you can rely on over long-term use.
