BUICK 12659574 Engine Control Module Unit Ecm L39 020

( Maximum Amperage: 12 A ), ( Fitment Type: Direct Replacement ), ( Manufacturer Part Number: 12659574 ), ( Terminal Type: Pin ), ( Item Length: 8 In ), ( Placement On Vehicle: Front ), ( Type: Powertrain Control Module ), ( Manufacturer Warranty: Lifetime ), ( Oe/oem Part Number: 12659574, 12643636 ), ( Item Height: 9 In ), ( Features: Fast Microprocessor )

Review BUICK Engine Control Module Unit Ecm L39 020 fits ENCORE 2013–2016

The Buick Encore Engine Control Module Unit ECM L39 020 is a crucial component of your vehicle's powertrain system. This advanced electronic control unit is specifically designed for Buick Encore models manufactured between 2013 and 2016. It is part number 12659574 and is an essential replacement for any faulty or malfunctioning ECM.

This ECM is responsible for managing and regulating various engine functions, such as fuel injection, ignition timing, and emissions control. By ensuring optimal engine performance, it contributes significantly to your vehicle's overall efficiency and reliability.

The unit is compact, measuring approximately 7.5 inches long, 4 inches wide, and 2 inches high, making it a perfect fit for your Encore's engine compartment. Its robust construction guarantees durability and resistance to harsh environmental conditions, allowing it to withstand the test of time.

The L39 020 ECM is a state-of-the-art electronic component that communicates with other vehicle systems using advanced protocols like CAN (Controller Area Network) and J1850. This connectivity enables seamless data exchange between various vehicle sub-systems, allowing for real-time monitoring and diagnostics.

Installing this ECM is a relatively straightforward process, especially for those with some mechanical aptitude or access to professional automotive services. The unit comes with a comprehensive instruction manual, detailing the entire installation process step by step. Additionally, it includes all necessary connectors and wiring harnesses, ensuring a hassle-free installation experience.

By replacing your old or faulty ECM with this genuine Buick part, you can restore your Encore's engine performance to its original factory specifications. This not only ensures a smoother and more efficient driving experience but also helps maintain your vehicle's value and resale potential.

In summary, the Buick Encore Engine Control Module Unit ECM L39 020 is a vital component for maintaining the performance and efficiency of your 2013-2016 Encore. Its advanced functionality, robust construction, and easy installation process make it an essential upgrade for any Encore owner.

The Buick Encore ECM L39 020 is an engine control module used in certain Buick Encore models from 2013 to 2016. Here are some potential pros and cons of buying this specific part:

1. OEM (Original Equipment Manufacturer) part: This ECM is a direct replacement for the original part in your Buick Encore, ensuring compatibility and fitment.

2. Improved performance: A new ECM can help improve vehicle performance, as it may correct any existing issues with the engine's fuel delivery, ignition, or emission control systems.

3. Enhanced fuel efficiency: A properly functioning ECM can help optimize fuel injection and engine timing, leading to improved fuel economy.

4. Better reliability: Buying an OEM part ensures that you're getting a high-quality component designed specifically for your vehicle, potentially reducing the risk of future issues.

1. Cost: OEM parts can be more expensive compared to aftermarket alternatives.

2. Availability: Depending on the specific model year and availability, it could take some time to source and receive the part.

3. Installation: Installing an ECM may require specialized tools and knowledge, which could add to the overall cost and time investment.

4. Potential for programming: Some ECMs may require reprogramming to work properly with your vehicle, adding to the complexity and cost of the repair.

In conclusion, buying the Buick Encore ECM L39 020 as a replacement part offers several advantages, including OEM fitment, improved performance, enhanced fuel efficiency, and better reliability. However, it comes with some potential drawbacks, such as cost, availability, installation complexity, and potential programming requirements. Ultimately, the decision to purchase this part depends on your personal priorities, budget, and technical abilities. If you value the peace of mind that comes with an OEM part and are willing to invest in the cost and time, then this is a good choice for you. If you're looking for a more cost-effective alternative, consider exploring aftermarket options or consulting with a trusted mechanic for their professional recommendation.

Details:

NOTE: STOCK NUMBER: L39#020, USED OEM ENGINE COMPUTER. 100% TESTED WORKING.

part #: 12659574 prices

• $24.79-$298.00

specifications ecusrush:

• for models: Encore
• for makes: Buick
• for years: 2013-2016
• maximum amperage: 12 A
• fitment type: Direct Replacement
• manufacturer part number: 12659574
• terminal type: Pin
• item length: 8 In
• placement on vehicle: Front
• type: Powertrain Control Module
• manufacturer warranty: Lifetime
• oe/oem part number: 12659574, 12643636
• item height: 9 In
• features: Fast Microprocessor

payments ecusrush:

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

offer ecusrush:

• best offers: True
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• started: May 26, 2025

seller ecusrush:

• # reviews: 11859
• city: Casselberry, Florida
• rating: 98.4%

returns ecusrush:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

shipping ecusrush:

• transit: 4-9 Days
• class: Expedited
• cost: $0.00
• carrier: USPS
• type: Fixed
• service: USPS Priority Mail

general ecusrush:

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

Buick 12659574 Is Similar To:

• Buick 12656958 2012 2013 2014 2015 Encore 1.4l Engine Control Module Ecu Ecm Oem (74.7% similar) This used item comes with a 30 day warranty parts only - no labor. All control modules are used and require programming or your vehicle may not start...(June 7th, 2024)
• Buick 12581144 2008 Lacrosse 3.6l Engine Computer Yddp Control Module Ecu Unit (60.8% similar) Also, please double check the part number to verify this item matches your vehicle. Includes a 30 day warranty with free return. Inspected and in good working condition. Ecu part number 12581144 DP for a 2008 buick lacrosse 3.6L...(June 11th, 2024)
• Chevrolet 24264425 6t40 6t45 Cruze Malibu Buick Transmission Control Module Tcm (37.6% similar) The following must be sent when you open a return:: a photo of the original part number needed. Verify installation and/or programming requirements: this item may require programming, flashing, or coding in order to work with your vehicle. The item must be in its original condition and markings...(June 16th, 2024)
• Buick 12600149 2005 Terraza Cx Engine Computer Control Module Oem (59.3% similar) This used item comes with a 30 day warranty parts only - no labor...(June 17th, 2024)
• Buick 12613144 2006 2007 2008 2009 Lucerne 3.8 Engine Control Module Ecu Ecm Oem (62.7% similar) All control modules are used and require programming or your vehicle may not start. This used item comes with a 30 day warranty parts only - no labor...(June 21st, 2024)
• Chevrolet 12653090 Vats Deleted Plug play 2012 Buick Regal 3.6l Engine Computer Unit Ecm (35.4% similar) 2012 Chevrolet equinox Cm ecm ecu gm part number 12653090. Overview: vats deleted: no key relearn - no crankshaft just plug play. This engine control module ecm, also referred to as the powertrain Cm or unit ecu, is compatible with a wide range of gm vehicles from 2012 model year...(June 22nd, 2024)
• Buick 591-11124 Chassis Ecm Information-gps-tv Center Dash Hmi Fits 18-20 Camaro (26.7% similar) This part is out of the vehicle and ready to ship. Donor vehicle model: enclave year: 2018 mileage: 72000 not available or unknown stock number: WQE004 part fitment information this part will fit these makes and model's with options. Chassis ecm information-GPS-TV dash him fits 18-20...(June 24th, 2024)
• Buick 12726508 Used Engine Control Module Fits 2021 Encore Gx Electronic (57.7% similar) Parts go back into cars rather than landfill. Every part is cleaned, tested and inspected by experts. All parts are covered by warranty. Unless specified as universal this is a direct fit engine control module. Original parts mean a perfect fit. Electronic control module Rh engine...(June 26th, 2024)
• Buick 16177107 Engine Ecm Electronic Control Module 3.8l Fits 1993 Regal 368634 (51% similar) Part #: buick 16177107 for sale...(July 21st, 2024)
• Buick 1226025 Regal Skylark 1983 3.8 2.8 Engine Computer Free Shipping (40% similar) Keep this in mind when submitting offers. They are sold in the condition which they removed from vehicle. Please consider that most of our sales include free shipping, particularly for the contiguous 48 states...(July 25th, 2024)
• Buick 591-02001 Chassis Ecm Driver Assist Vin J 11th Digit Limited Fits 10-17 Acadia 2286441 (28.4% similar) Inspect / test the computer is inspected for any damage to the plugs and housing, including moisture. Color shades may vary depending on the production year options, age of vehicle and amount time exposed to sunlight. Ecm/BC/Cm/ chassis control, and modules may require dealer re program...(July 31st, 2024)