Restore Your Cadillac’s Signature Performance
Is your 2006 Cadillac STS suffering from frustrating and unpredictable engine issues? A faulty Engine Control Module (ECM) can disrupt the sophisticated performance you expect, leading to poor fuel economy, a rough idle, or even a vehicle that won’t start. This isn’t just an inconvenience; it undermines the entire driving experience. It’s time to restore your vehicle’s precision and power with a solution designed for a seamless fit and optimal function. This is the definitive replacement for your 2006 Cadillac STS Engine Control Module 12590032, programmed specifically for your car.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing ECM is the likely culprit:
- Illuminated Check Engine Light (CEL)
- Unexplained stalling or hesitation during acceleration
- Erratic or rough idling
- Noticeable decrease in fuel efficiency
- Transmission shifting problems
- Complete no-start condition
This pre-programmed Engine Control Module is the most reliable and efficient solution. We take the guesswork and extra expense out of the repair by flashing the unit with the latest GM-certified software updates, tailored precisely to your vehicle’s VIN. This ensures that once installed, your Cadillac’s engine and related systems communicate flawlessly, just as the factory intended.
Features & Benefits
- โ VIN-Specific Programming: Arrives ready for installation, programmed to your exact vehicle. This eliminates the need for expensive and time-consuming dealership programming.
- โ Latest GM Software Updates: We flash the module with the most current software, ensuring all factory improvements for performance, emissions, and fuel economy are applied.
- โ Restore Peak Operation: Resolves common issues caused by a faulty computer, bringing back the smooth power and reliability you expect from your Cadillac.
- โ Guaranteed Compatibility: A direct replacement for service numbers 12590032, 12602044, 12603530, 12605843, 12607096, 12630457, and 19210737.
- โ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Importance of Precision Programming
For a sophisticated vehicle like the Cadillac STS, the ECM is the central nervous system. It manages everything from fuel injection and ignition timing to transmission shifts and emissions control. Simply installing a generic, unprogrammed module is a recipe for disaster. It can lead to persistent performance issues, system conflicts, and even damage to other components. Our process of programming this 2006 Cadillac STS Engine Control Module 12590032 to your specific VIN ensures that all unique parametersโlike your vehicle’s options, tire size, and security systemโare perfectly matched. This is the key to a successful, long-lasting repair.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, simply send us a message with your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information, as the programming is essential for the module to function in your car.
Is this ECM truly “plug and play”?
Yes, for most vehicles. Because we program the module to your VIN, it is ready for installation without needing a trip to the dealer. In some rare cases, a specific vehicle may require an additional security or crankshaft variation relearn procedure with a capable scan tool, which can be performed by most professional mechanics.
My original part number isn’t 12590032, but it’s on the list. Will this work?
Absolutely. The additional part numbers listed (12602044, 12603530, etc.) are all interchangeable service numbers designated by GM. As long as your original part number is on our list, this module is the correct, updated replacement for your vehicle.
What are the most common signs of a failing ECM in a Cadillac STS?
The most common symptoms include a persistent check engine light, stalling, rough running, poor acceleration, and harsh or incorrect transmission shifts. A complete failure can also prevent the vehicle from starting at all. This 2006 Cadillac STS Engine Control Module 12590032 is designed to solve these issues.
Does this part come with a warranty?
Yes, it does. This unit is backed by our one-year replacement warranty, giving you confidence and peace of mind in your purchase.