591.GM6U11

The Cadillac 591.GM6U11 CTS Anti-Theft Keyless Control Module is an essential component of the keyless entry and start system in Cadillac CTS vehicles manufactured between 2011 and 2014. This module plays a crucial role in securing your vehicle against unauthorized entry and ensuring the smooth operation of the keyless access and engine start functions.

The 591.GM6U11 module communicates with your vehicle's on-board computer system to authenticate the key fob and grant or deny access to the vehicle. It utilizes a secure rolling code system to generate unique access codes each time the key fob is used, making it difficult for thieves to gain entry using stolen or duplicate keys.

Additionally, this module is responsible for the keyless start function, allowing you to start your engine without physically inserting the key into the ignition. When the key fob is within a certain range of the vehicle, you can press the start button, and the module will send the appropriate signal to the engine to start.

The Cadillac 591.GM6U11 CTS Anti-Theft Keyless Control Module is compact and discreetly located within the vehicle, typically near the driver's side dashboard. It is designed to be durable and resilient against environmental factors, ensuring reliable operation under various conditions.

If your keyless entry and start system is not functioning properly, or if you suspect that your module has been damaged or compromised, it may be necessary to replace the Cadillac 591.GM6U11 CTS Anti-Theft Keyless Control Module. Replacing this module with a genuine OEM part will help maintain the security and convenience features of your Cadillac CTS.

To install the new module, you may need the assistance of a professional technician or follow the instructions in your vehicle's repair manual. Keep in mind that working on your vehicle's electrical systems can be complex and potentially dangerous, so it is recommended that you seek the help of a qualified professional if you are not confident in your abilities.

In conclusion, the Cadillac 591.GM6U11 CTS Anti-Theft Keyless Control Module is an essential component of the keyless entry and start system in your Cadillac CTS. It provides enhanced security features and convenience, making it a valuable addition to your vehicle. If you experience any issues with your module, consider replacing it with a genuine OEM part to ensure the continued reliability and security of your Cadillac CTS.

Pros and Cons of Buying a Cadillac CTS Anti-Theft Keyless Control Module (11-14)

The Cadillac CTS Anti-Theft Keyless Control Module (11-14) is an essential component for vehicles with a keyless entry and start system. Replacing this module can help restore the functionality of your vehicle's keyless entry system. In this analysis, we will discuss the advantages and disadvantages of purchasing this module.

1. Enhanced security: The anti-theft keyless control module ensures that your vehicle's security system is functioning correctly. This can help protect your car from theft and unauthorized access.

2. Convenience: With the keyless entry and start system, you can easily access and start your vehicle without having to use a physical key. This can be especially useful during inclement weather or when your hands are full.

3. Cost-effective: Purchasing a genuine Cadillac CTS Anti-Theft Keyless Control Module can help save you money in the long run, as it is designed to work seamlessly with your vehicle's electrical systems and may prevent potential issues caused by aftermarket alternatives.

1. Expense: The cost of purchasing a new Cadillac CTS Anti-Theft Keyless Control Module can be quite high, which may deter some potential buyers.

2. Installation: Installing the new module may require professional assistance, which can add to the overall cost. However, some individuals may choose to install it themselves, which can save on labor costs.

3. Availability: Depending on the specific model year and availability, it may take some time to source and receive the replacement module.

The decision to buy a Cadillac CTS Anti-Theft Keyless Control Module (11-14) ultimately depends on your personal circumstances and priorities. If you value the enhanced security and convenience of your keyless entry and start system, and you have the financial means to cover the cost, then purchasing a genuine Cadillac module may be the best choice for you. However, if the expense is a concern, you may want to consider exploring alternative options, such as refurbished modules or aftermarket alternatives.

If you decide to purchase a Cadillac CTS Anti-Theft Keyless Control Module, we recommend researching reputable dealers or online marketplaces to ensure you receive a genuine part. Additionally, consider consulting with a professional mechanic or automotive expert for installation assistance, to ensure the new module is installed correctly and functions properly.

Details:

Miles: 189000 - n/a or unknown. Major components are stamped and may have heat sensitive tabs attached to indicated overheating that would void warranty. These extra attached parts are not covered by any warranty. Stock #: 257154.

Donor vehicle: model: Cts. Many electronic modules and components require programming. Cadillac Cts coupe anti theft keyless entry computer control module fits 11-14: review photos this is your actual part. Warranty covers the base component and none of other attached parts.

Parts are not covered for external fluid leaks. Video: go to YouTube and search for: playground par 257154 part detail: placement.

specifications perfoelectric:

• for models: Cts
• for years: 2011–2014
• brand: Cadillac
• part type: Control Entry Module
• conditions options: Coupe, Naturally Aspirated, Aut
• genuine oem: Yes
• ipn: 591.gm6u11
• manufacturer warranty: 60 Day

general perfoelectric:

• category: Auto Parts > Electrical Components

returns perfoelectric:

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

offer perfoelectric:

• in stock #: 5
• started: july 30, 2025
• best offers: true
• options: ship-to-home
• sold #: 19
• prices: $35.00–$54.19
• item condition: Used
• availability: in stock

shipping perfoelectric:

• service: standard
• class: standard
• transit: 2-5 days
• type: fixed

seller perfoelectric:

• city: port washington, wisconsin
• # reviews: 6344
• rating: 98.8%

payments perfoelectric:

• credit card: diners-club
• other
• wallet: paypal

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