Restore Your Buick’s Performance and Reliability
Is your 2006 Buick Lucerne experiencing frustrating issues like a persistent check engine light, rough idling, stalling, or a complete no-start condition? These are common signs of a failing Engine Control Module (ECM). Don’t let a faulty computer keep you off the road. This direct-replacement ECM, part number 12630457, is the definitive solution to restore your vehicle’s smooth operation and your peace of mind.
Common Symptoms & Your Solution
A failing ECM can cause a wide range of confusing and intermittent problems. If you’re experiencing any of the following, this pre-programmed module is the fix you need:
- Unexplained Check Engine Light (with codes like P0601, P0602, P0606)
- Poor engine performance, hesitation, or misfires
- Reduced fuel economy
- Intermittent stalling or difficulty starting
- Transmission shifting problems
- Communication errors with diagnostic scan tools
We take the guesswork out of the repair. Unlike a generic module from a salvage yard, this unit is professionally programmed to your car’s specific Vehicle Identification Number (VIN) before it ships. This ensures all systems—engine, transmission, anti-lock brakes, and security—communicate perfectly, just as the factory intended. This is the key to a successful and lasting repair for your 2006 Buick Lucerne ECM 12630457.
Features & Tangible Benefits
- ✔ VIN-Programmed for Your Vehicle: Arrives ready for installation, eliminating the need for expensive programming services at the dealership. Just plug it in and perform a simple security relearn procedure.
- ✔ Loaded with Latest GM Software: We flash the module with the most current updates from General Motors, ensuring optimal engine performance, fuel efficiency, and emissions control.
- ✔ Guaranteed Fit and Function: This module is a direct replacement for service number 12630457 and several other interchangeable numbers, ensuring a perfect fit and seamless integration with your vehicle’s systems.
- ✔ Rigorously Inspected: Every module is thoroughly inspected and tested to ensure it meets strict quality standards, providing you with a dependable and long-lasting component.
- ✔ One-Year Protection: This unit is backed by our one-year replacement warranty, giving you confidence in your purchase.
An Expert’s Note on Programming
As a technician with over two decades of experience, I’ve seen countless vehicle issues caused by improperly matched control modules. The ECM is the ‘brain’ of your car; it doesn’t just manage the engine. It communicates with the transmission, the ABS, the body control module, and the anti-theft system. Using a generic, un-programmed unit can lead to a car that won’t start, shifts erratically, or has persistent warning lights. Our process of programming this 2006 Buick Lucerne ECM 12630457 to your exact VIN ensures all these digital ‘handshakes’ happen correctly, giving you a smooth, error-free driving experience from the moment you install it.
Frequently Asked Questions
Do I need to do any programming after installation?
No dealership programming is required. The module arrives flashed to your VIN. However, you will likely need to perform a simple security relearn procedure (often called a ‘key relearn’), which can typically be done in your driveway in about 30 minutes with just your key. Instructions are widely available online or in your vehicle’s service manual.
How do I provide my vehicle’s VIN?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically add it as a note during checkout or reply to your order confirmation email. We cannot ship the part until we receive your VIN, as the programming is specific to your car.
Will this fix my check engine light?
If the root cause of your check engine light and other symptoms has been correctly diagnosed as a faulty ECM, then this part will solve the problem. It is essential to ensure the vehicle has been properly diagnosed before ordering, as this module will not fix issues caused by other faulty sensors or components.
My original part number is different. Will this still work?
This ECM, 12630457, is a direct replacement for many other GM service numbers, including 12590032, 12602044, 12603530, 12605843, 12607096, and 19210737. Please check the comprehensive fitment list on this page to confirm compatibility with your specific make and model.
What is the warranty on this ECM?
This unit is backed by our one-year replacement warranty. This provides coverage against defects for a full year from the date of purchase, offering you security and peace of mind.