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  3. SUBARU 30919AB670

SUBARU 30919AB670 Trans Control Module

fits model: Cvt, Legacy. make: Subaru. year: 2011.

30919ab670 Subaru 11 Legacy At Cvt Trans Control Module

( Part Type: Control Tran Module ), ( Programming Required: Yes ), ( Manufacturer Part Number: 30919AB670 ), ( Placement On Vehicle: Dash )

Review SUBARU At Trans Control Module fits LEGACY CVT 2011

The Subaru 30919AB670 CVT Transmission Control Module is an essential component of Subaru Continuously Variable Transmission (CVT) systems. This control module is responsible for managing and regulating the transmission's functions, ensuring optimal performance and efficiency.

The compact yet powerful module is designed to communicate with the engine control module and other vehicle systems to provide smooth and responsive gear shifting. It utilizes advanced electronic control technology to monitor engine speed, vehicle speed, and other critical driving conditions to adjust transmission function accordingly.

This control module features built-in diagnostic capabilities, allowing it to detect and troubleshoot potential transmission issues. In case of a problem, the module can store diagnostic codes and display them through the vehicle's diagnostic port, making it easier for technicians to diagnose and repair the issue.

The Subaru 30919AB670 CVT Transmission Control Module is designed with durability in mind. It is built to withstand the harsh conditions of automotive environments, featuring robust housing and advanced temperature control systems to ensure reliable operation, even under extreme temperatures.

Installing this control module in a Subaru vehicle with a faulty transmission system can significantly improve vehicle performance and fuel efficiency. It offers a cost-effective solution for Subaru owners looking to repair their CVT systems without the need for a complete transmission overhaul.

In summary, the Subaru 30919AB670 CVT Transmission Control Module is an essential component of Subaru CVT systems, responsible for managing and regulating transmission functions for optimal performance and efficiency. It features advanced electronic control technology, built-in diagnostic capabilities, and is designed for durability, making it an excellent choice for Subaru owners looking to repair their CVT systems.

Buying a Subaru CVT Transmission Control Module (Part Number: 30919AB670) entails several considerations with their respective advantages and disadvantages for vehicle owners. Below are the key points to help you make an informed decision.

Advantages:

1. Enhanced Transmission Performance: Replacing a faulty control module with a new one can improve the overall performance of your Subaru's Continuously Variable Transmission (CVT). You might notice smoother shifting and better fuel efficiency.

2. Cost-Effective: In some cases, replacing the control module is a more cost-effective solution compared to a full transmission overhaul or replacement.

3. OEM (Original Equipment Manufacturer) Part: A genuine OEM part ensures compatibility with your Subaru vehicle, providing reliable and long-lasting performance.

4. Diagnostic Functionality: Some advanced control modules can diagnose and troubleshoot issues within the transmission system, making it easier for mechanics to identify and resolve problems.

Disadvantages:

1. Cost: Replacing a control module can be an expensive repair, especially if you opt for an OEM part. However, the cost may be justified for the performance improvements and peace of mind.

2. Installation Complexity: Installing a new control module may require professional assistance, as it involves intricate wiring and connection processes.

3. Potential for Secondary Issues: In some cases, replacing a control module might not entirely resolve the issue, as there could be underlying problems within the transmission system that need addressing.

Conclusion:

Deciding to buy and install a Subaru CVT Transmission Control Module (30919AB670) involves weighing the advantages and disadvantages. While it may be a costly repair, the potential for improved transmission performance and long-term reliability can outweigh the initial investment. If you're experiencing issues with your CVT, consult a Subaru mechanic for their professional opinion and to discuss your options.

Recommendation:

If you're confident in your technical skills and have the necessary tools, you might consider purchasing the control module from a reputable auto parts supplier. However, it's highly recommended to have the part installed by a professional Subaru mechanic to ensure proper installation and functionality.

Details:

Part Number - 30919AB670 AT CVT Trans Control Module. Good, working condition, OEM module from a running vehicle. Please verify the module needing replaced has same markings as shown in last image. Vehicle Fitment - 2011 Subaru Legacy with CVT / Automatic Transmission.

Part taken from a 2011 Subaru Legacy Sedan. Buyer pays return shipping.

part #: 30919ab670 prices

  • $59.00-$109.61

specifications ecusrush:

  • for models: Cvt, Legacy
  • for makes: Subaru
  • for years: 2011
  • part type: Control Tran Module
  • programming required: Yes
  • manufacturer part number: 30919AB670
  • placement on vehicle: Dash

returns ecusrush:

  • paid by: Buyer
  • time: 14 Days
  • policy: Returns Accepted

seller ecusrush:

  • city: Brighton, Michigan
  • rating: 99.8%
  • # reviews: 951

payments ecusrush:

  • other
  • credit card: Discover
  • wallet: Google-pay

general ecusrush:

  • condition: Used
  • Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules

offer ecusrush:

  • availability: In Stock
  • options: Ship-to-home
  • started: October 19, 2025
  • sold: 0
  • quantity: 1

shipping ecusrush:

  • type: Fixed
  • class: Standard, Expedited
  • cost: $0.00
  • service: USPS Ground Advantage, USPS Priority Mail
  • carrier: USPS
  • transit: 3-6 Days
for models: cvt, legacy, for makes: subaru, for years: 2011, part type: control tran module, programming required: yes, placement on vehicle: dash,
category: auto parts > car truck parts accessories > starters, alternators, ecus wiring > ecus computer modules, sku: 11162624576087753,

Subaru 30919AB670 Is Similar To:

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5 offers $59.00–$109.61 USD
  • Used. Offer #1 priced at $59.00 + $0.00 delivery = $59.00* total. / 31711AN71A Good condition, clean, tested and ready for installation.FREE SHIPPING
  • Used. Offer #2 priced at $108.36 + $0.00 delivery = $108.36* total. Request a Part SUBARU LEGACY/ OUTBACK 11 Transmission, (under LH of dash), Sdn, 2.5L (CVT), ID 30919AB671.FREE SHIPPING
  • Used. Offer #3 priced at $109.61 + $0.00 delivery = $109.61* total. Transmission under LH of dash Sdn 2.5L CVT ID ,Transmission under LH of dash Sdn 2.5L CVT ID 30919AB671.FREE SHIPPING
  • Used. Offer #4 priced at $55.00 + $0.00 delivery = $55.00* total. LEGACY 11 Transmission; (under LH of dash), Sdn, 2.5L (CVT), ID 30919AB671. Chassis ECM Transmission Under Left Hand Of Dash Sedan Fits 11 LEGACY 1178300.FREE SHIPPING
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