Restore Your Vehicleโs Brainpower and Performance
Is your vehicle suffering from a persistent check engine light, erratic performance, or a frustrating no-start condition? The Engine Control Module (ECM) is the central computer of your vehicle, and when it fails, it can cause a cascade of confusing and costly problems. This direct-fit replacement ECM is the definitive solution, arriving at your door fully programmed to your specific vehicle using your VIN. We install the latest GM software updates, ensuring optimal performance, fuel efficiency, and emissions control right out of the box.
Common Symptoms & Your Solution
A failing ECM can manifest in many ways. If you’re experiencing any of the following, this module is the reliable fix you need:
- Unexplained Check Engine Light (CEL)
- Engine stalling, misfiring, or running rough
- Poor fuel economy
- Failure to pass emissions tests
- No-start or hard-start conditions
- Communication error codes (U-codes) with scan tools
- Seemingly random transmission shifting issues
By ordering this programmed 2006 Cadillac CTS ECM 12590032, you are not just buying a part; you are getting a plug-and-play solution that bypasses the need for an expensive trip to the dealership for programming.
Features & Benefits
- โ Plug & Play Installation: Arrives pre-programmed to your vehicle’s VIN. No extra dealership visit required.
- โ Updated GM Software: Flashed with the newest factory software for improved performance and reliability.
- โ Wide Compatibility: This module is a direct replacement for service numbers 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737.
- โ Solves Complex Issues: The correct fix for a wide range of drivability problems, from stalling to poor fuel mileage.
- โ Cost-Effective Repair: Get your vehicle back on the road without the high costs associated with dealership parts and labor.
- โ Assured Quality: This unit is backed by our one-year replacement warranty.
Expert Insight from a 20-Year Technician
I’ve seen countless drivers waste time and money chasing symptoms when the root cause was the ECM. A common mistake is buying a used module from a salvage yard. While it may look identical, it’s programmed for a different vehicle’s VIN and options. This creates an immediate conflict with your car’s security and communication systems, leading to a no-start condition that even a well-equipped shop can struggle to resolve. Our VIN-programming service is the most critical step. We ensure the module you receive is a perfect digital match for your car, just like one from the factory, making the installation process smooth and successful.
Frequently Asked Questions
What information do you need to program the ECM?
After you complete your purchase, you will need to provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN). This allows us to load the exact factory software and calibrations for your specific make, model, engine, and options.
Will I need to perform a security relearn procedure?
In many cases with GM vehicles of this era, a simple security relearn procedure may be required after installation. This process typically involves cycling the ignition key and can be done by you in your driveway in about 10-15 minutes. We can provide instructions for this straightforward process.
Is this the correct ECM for my vehicle?
This module, part number 12590032, fits a very wide range of GM vehicles as listed in the fitment guide. The best way to confirm compatibility is to match the service number on your original computer to one of the numbers listed (12590032, 12602044, 12603530, etc.). If you are unsure, please contact us with your VIN before ordering.
Why is a programmed ECM better than a used one?
A used ECM is locked to the VIN of its original vehicle. Installing it in your car will cause a security system conflict, preventing the engine from starting. Our programmed 2006 Cadillac CTS ECM 12590032 is specifically flashed for your VIN, ensuring it communicates perfectly with all other modules in your vehicle for a seamless repair.
What if my original part number isn’t listed?
The provided list of interchangeable service numbers (12590032, 12602044, etc.) covers most applications. However, GM sometimes uses other numbers. If your number is not on the list, it’s best to contact us with your VIN and original part number to verify fitment before you purchase.