Restore Your Buick’s Smooth Performance
Is your 2010 or 2011 Buick LaCrosse suffering from frustrating issues like a persistent check engine light, poor fuel economy, rough idling, or even a no-start condition? These are classic signs that the vehicle’s central computer, the Engine Control Module (ECM), is failing. Don’t let a faulty computer compromise the comfort and reliability you expect. This direct-fit 2010-2011 Buick LaCrosse Engine Control Module is the definitive, hassle-free solution to get your car back to factory-spec condition.
Common Symptoms & Your Solution
A failing ECM can cause a wide range of confusing problems. You might be experiencing one or more of the following:
- Check Engine Light (CEL) is on with various trouble codes (DTCs)
- Vehicle refuses to start or has difficulty starting
- Noticeable decrease in fuel efficiency
- Engine stalling, stuttering, or misfiring
- Erratic or harsh automatic transmission shifting
- Communication errors with diagnostic scan tools
Replacing the unit with this pre-programmed module resolves these issues at their source, restoring communication between all your vehicle’s critical systems and ensuring your engine operates precisely as its designers intended.
Features & Benefits
- ✔ Ready to Install: This module arrives pre-programmed to your car’s specific Vehicle Identification Number (VIN). This eliminates the need for expensive dealership programming or special tools.
- ✔ Peak Performance & Efficiency: We flash each unit with the latest official GM software updates, ensuring your engine benefits from all available improvements for performance and fuel economy.
- ✔ Guaranteed Compatibility: By programming to your VIN, we ensure the ECM correctly communicates with your vehicle’s factory anti-theft system, transmission, and all other onboard electronics.
- ✔ Cost-Effective Solution: Get a reliable, fully functional computer without the high costs and scheduling delays associated with a new part from the dealership.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
An Expert’s Note on VIN Programming
“In my 20 years of diagnostics, I’ve seen countless vehicle owners waste time and money on used modules from a salvage yard. They think they’re saving a buck, but a computer from another car is like a key for a different house—it simply won’t work. Modern vehicles like your LaCrosse have sophisticated security and operating systems tied directly to the VIN. Our VIN-matching service isn’t just a convenience; it’s a necessity. It ensures the anti-theft system allows the car to start and that the engine and transmission parameters are perfectly calibrated for your specific vehicle, preventing a world of headaches.”
This is the ideal replacement 2010-2011 Buick LaCrosse Engine Control Module for owners who value a straightforward, reliable repair. We handle the complex programming so you can focus on the simple installation. After purchase, simply provide us with your VIN, and we’ll prepare a module that’s ready to restore your vehicle’s health right out of the box.
This ECM is a direct replacement for part numbers: 12616889, 12630908, 12637106, 12642665, 12650256, 12651993 and fits a wide range of GM vehicles. Please verify your part number or contact us to confirm compatibility for your specific vehicle before ordering your 2010-2011 Buick LaCrosse Engine Control Module.
Frequently Asked Questions
Do I need to do any programming myself?
No. This Engine Control Module comes fully programmed to your vehicle’s specific VIN. It is designed to be a plug-and-play solution, requiring no additional programming or flashing on your end.
How do I provide my vehicle’s VIN?
After you complete your purchase, we will contact you for your VIN. Alternatively, you can send it to us through the messaging system with your order number. We cannot ship the part until we have programmed it with your VIN.
What is a VIN and where can I find it?
The VIN (Vehicle Identification Number) is a unique 17-digit code for your car. You can typically find it on the driver’s side dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Will this fix my specific problem?
This module is the solution for a failed ECM. While the symptoms listed are common indicators of ECM failure, we always recommend that a proper diagnosis is performed by a qualified mechanic to confirm the ECM is the point of failure before you make a purchase.
What if my original part number isn’t on the list?
The provided list covers the most common compatible part numbers. If your number is different, please contact us with your original part number and VIN. We will be happy to verify compatibility for you.