Details

• Brand:

  

• SKU:

  30919AE391

• Other Names:

  Unit AT Control

• Description:

  
  

  Automatic Transmission Control Module – Subaru (30919AE391)

  The Automatic Transmission Control Module – Subaru (30919AE391) is a Genuine OEM electronic control unit crafted to manage automatic and CVT transmission operation in select Subaru models. Designed as the transmission’s "brain," it processes critical inputs—such as engine RPM, throttle position, vehicle speed, and transmission fluid temperature—to regulate shift timing, line pressure, and torque converter lock-up with factory-level accuracy.

  Built with durable electronic components encased in a sealed, vibration-resistant housing, the 30919AE391 is engineered to endure extreme engine bay environments. Its robust construction resists high heat, moisture, and mechanical stress, ensuring consistent performance over time. Subaru’s stringent OEM validation ensures the module maintains original shift calibration, delivering reliable and precise gear engagement that aftermarket replacements cannot match.

  The plug-and-play bolt-on design simplifies installation for both professional mechanics and skilled DIY enthusiasts. This module matches factory connectors, mounting bracketry, and wiring harness paths exactly, eliminating the need for splicing, coding, or adaptation. Once installed, the module immediately resumes proper transmission logic—restoring smooth shifts, eliminating fault codes, and helping maintain torque converter efficiency.

  • Genuine Subaru OEM part – Part Number: 30919AE391

   • Controls shift parameters: line pressure, shift timing, torque converter engagement

   • Sealed, vibration-resistant housing built to withstand engine‑bay stresses

   • Direct-fit replacement—no modifications, splicing, or programming required

   • Preserves factory transmission tuning to safeguard shifts and transmission longevity

  Replacing a failing module with the Subaru Automatic Transmission Control Module (30919AE391) restores the seamless shifting, refined response, and reliability Subaru drivers expect. With genuine OEM parts and testing, this module helps extend transmission life, enhances drivability, and keeps your vehicle performing at its engineered best—mile after mile.

• Condition: New
• Replaces:

  30919ae390

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