591-13159

The Buick 591-13159 Chassis ECM (Electronic Control Module) is a crucial component of the security system in select 20-23 Encore GX models. This advanced theft-locking keyless system, specifically identified by part number 13518840, adds an extra layer of protection to your vehicle.

The ECM is responsible for communicating with various systems in your vehicle to ensure secure operation. In the context of this particular system, it interfaces with the keyless entry and engine start functions to prevent unauthorized access and theft.

This Buick Chassis ECM comes with a theft-locking feature designed to prevent the engine from starting unless an authorized key is present. The keyless system utilizes a unique rolling code protocol to transmit a different code each time the key is used, ensuring that only the correct key can start the vehicle.

The component is engineered to be robust and reliable, ensuring smooth operation under various conditions. It is designed to integrate seamlessly with your Encore GX's existing systems, providing a hassle-free user experience.

In the event that the theft-locking keyless system needs to be serviced or reset, the ECM includes diagnostic functions to help facilitate the process. These features allow for the identification and resolution of any potential issues, ensuring that your security system remains in optimal condition.

The Buick 591-13159 Chassis ECM is a vital investment for those seeking enhanced security for their Encore GX. It offers peace of mind by providing protection against unauthorized entry and engine start, safeguarding your vehicle from potential theft. With its advanced security features and seamless integration into your vehicle's systems, this ECM is an essential component for any Encore GX owner.

Buying a Buick Encore GX with the 591-13159 chassis ECM and theft-locking keyless system (20-23 model) comes with several pros and cons that you may want to consider before making a purchase.

1. Enhanced Security: The theft-locking keyless system adds an extra layer of security to the vehicle, making it harder for thieves to steal.

2. Convenience: Keyless entry and start make it easier and more convenient for the owner to access and operate the vehicle.

3. Potential Increased Resale Value: A vehicle with advanced security features may be more desirable to potential buyers when it comes time to sell.

1. Cost: The cost of this specific ECM and keyless system may be more expensive than the standard version, resulting in a higher purchase price.

2. Complexity: The advanced security features may add complexity to the vehicle's electrical system, which could potentially lead to issues down the line.

3. Compatibility: It is essential to ensure that this specific ECM and keyless system are compatible with the specific Buick Encore GX model and year that you are considering purchasing.

In conclusion, the decision to buy a Buick Encore GX with the 591-13159 chassis ECM and theft-locking keyless system ultimately depends on your priorities and budget. If security is a significant concern for you and you are willing to pay the additional cost, this feature could be a worthwhile investment. However, if you are budget-conscious or have concerns about the potential for compatibility issues or added complexity, you may want to consider other options. Ultimately, it is recommended that you do thorough research and consult with a trusted mechanic or dealership to ensure that this is the right choice for you.

Details:

Escalade RSV 19-20 theft-locking; keyless entry, LHS quarter panel, id 13518840. Escalade 19-20 theft-locking; keyless entry, LHS quarter panel, id 13518840. Chassis ecm theft-locking keyless entry id 13518840 fits 20-23 Encore gx 1497554 this part is from a 2021 Encoregx with 67000 miles on it. Xt4 19 theft-locking; keyless entry, Rh dash, id 13518840.

specifications perfoelectric:

• for models: Encore
• for years: 2020–2023
• brand: Buick
• model: Encoregx
• part type: Ecm Entry
• conditions options: Keyless Entry Module, Verify Id
• genuine oem: Yes
• ipn: 591-13159
• year: 2021

shipping perfoelectric:

• class: standard
• type: fixed
• carrier: ups
• service: ups ground
• transit: 4-10 days

returns perfoelectric:

• time: 30 days
• policy: returns accepted
• paid by: buyer

general perfoelectric:

• category: Auto Parts > Electrical Components

payments perfoelectric:

• other
• credit card: visa
• wallet: google-pay

offer perfoelectric:

• options: ship-to-home
• in stock #: 4
• prices: $34.99–$54.99
• item condition: Used
• sold #: 17
• availability: in stock
• started: august 18, 2025

seller perfoelectric:

• rating: 93.2%
• city: buffalo, wyoming
• # reviews: 4956

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