
591-54784 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $91.00 | Condition is Used, Chassis ECM Power Supply Right Hand Dash Fits 11-12 SCION TC 1502061, FREE SHIPPING | 97.8% |
![]() | $108.90 | Condition is Used, Chassis ECM Power Supply Right Hand Dash Fits 11-12 SCION TC 1117005, FREE SHIPPING | ![]() |
![]() | $190.65 | Top Pick! Condition is Used, Chassis ECM Power Supply Right Hand Dash Fits 11-12 SCION TC 32367802, shipping cost = $5.00 | 98.7% |

The Scion CHASSIS ECM Power Supply (part number 591-54784) is a crucial component of the electrical system in select Toyota and Scion models from the 11th and 12th generations, including the Scion TC. This ECM (Engine Control Module) power supply plays a vital role in delivering stable and reliable power to the ECM, ensuring optimal engine performance.
This OEM (Original Equipment Manufacturer) part is designed and manufactured to Toyota's exacting standards, ensuring a perfect fit and function within your vehicle. The power supply features a robust and durable design, with high-quality components that can withstand the demands of daily driving.
The Scion 591-54784 ECM Power Supply is specifically engineered to work seamlessly with the vehicle's existing electrical system. It provides a steady and consistent voltage to the ECM, enabling the engine to run efficiently and effectively. This can lead to improved fuel economy, increased power output, and reduced emissions.
The power supply is located in the dash area of the vehicle, making it easily accessible for installation. The replacement process is straightforward and can be completed by most DIY enthusiasts with basic mechanical skills. The part comes with clear instructions and all necessary hardware for a hassle-free installation.
When it comes to maintaining the health of your vehicle's electrical system, a high-quality ECM power supply is an essential investment. By providing the ECM with a steady and reliable power source, you can help ensure that your Scion TC runs smoothly and efficiently, providing you with a safe and enjoyable driving experience.
In summary, the Scion 591-54784 CHASSIS ECM Power Supply is an essential component of your vehicle's electrical system. This OEM part is designed to deliver stable and reliable power to the ECM, ensuring optimal engine performance and improved fuel economy. With a robust and durable design and straightforward installation process, this power supply is an investment in the long-term health and reliability of your Scion TC.
Buying a Scion 591-54784 chassis ECM power supply for your 2011-2012 Toyota Corolla or Matrix can help address issues related to the electrical system of your vehicle. Here are some potential pros and cons to consider before making a purchase.
Pros:1. Improved engine performance: A faulty ECM power supply can lead to various engine performance issues. Replacing it with a new one can help rectify these problems and improve overall engine performance.
2. Enhanced fuel efficiency: An ECM power supply that functions correctly can help optimize fuel delivery and improve your vehicle's fuel efficiency.
3. Smoother operation: A new ECM power supply can lead to smoother engine operation and reduced vibrations, which can make for a more enjoyable driving experience.
4. Better check engine light diagnosis: If the check engine light is on, a faulty ECM power supply could be the culprit. Replacing it can help ensure that any diagnostic codes are accurate and not caused by a faulty sensor.
Cons:1. Cost: Replacing an ECM power supply can be an expensive repair, especially if you choose to have it done at a dealership.
2. Complexity: Installing an ECM power supply yourself can be a complex process, requiring specialized tools and knowledge. It may be best to have it installed by a professional.
3. Potential for additional repairs: A faulty ECM power supply could be a symptom of a larger issue within the vehicle's electrical system. Replacing the power supply alone may not address the root cause of the problem.
Ending Conclusion:The Scion 591-54784 chassis ECM power supply can be an essential repair for those experiencing issues with their 2011-2012 Toyota Corolla or Matrix's engine performance or check engine light. While the cost and complexity of the repair may be a concern, the potential benefits, such as improved engine performance and fuel efficiency, make it a worthwhile investment for many. Ultimately, it's recommended to have the repair done by a professional to ensure proper installation and to address any potential underlying electrical system issues.
Details:
Chassis ecm power supply right hand dash fits 11-12 Scion Tc 1117005 used item - may have light scratches or blemishes from being.
specifications perfoelectric:
- for models: Tc
- for years: 2011–2012
- brand: Scion
- part type: Ecm Supply
- conditions options: Power Supply, Rh Dash
- genuine oem: Yes
- ipn: 591-54784
- manufacturer warranty: 90 Day
returns perfoelectric:
- policy: returns accepted
- paid by: seller
- time: 30 days
offer perfoelectric:
- sold #: 21
- in stock #: 3
- options: ship-to-home
- best offers: true
- started: april 22, 2025
- prices: $91.00–$190.65
- item condition: Used
- availability: in stock
seller perfoelectric:
- rating: 98.7%
- # reviews: 10135
- city: crestview, florida
payments perfoelectric:
- credit card: diners-club
- wallet: apple-pay
- other
shipping perfoelectric:
- type: fixed
- transit: 3-7 days
- service: standard
- class: standard
general perfoelectric:
- category: Auto Parts > Electrical Components
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