Restore Your Vehicle’s Performance and Reliability
Are you experiencing frustrating and unpredictable engine issues with your vehicle? A faulty Engine Control Module (ECM) can cause everything from a persistent check engine light and poor fuel economy to rough idling, stalling, and even a no-start condition. This isn’t just an inconvenience; it’s a compromise on your vehicle’s reliability and your peace of mind. This pre-programmed ECM is the definitive solution to get your car running smoothly and efficiently again, just like it was designed to.
Common Symptoms of a Failing ECM & Your Solution
If your vehicle’s computer is failing, you might notice one or more of the following signs. This module is engineered to resolve these exact problems:
- Erratic engine performance, including surging or hesitation
- Engine stalling or cutting out unexpectedly
- Difficulty starting the engine or a complete no-start situation
- Poor fuel mileage
- Transmission shifting problems or harsh shifts
- Check Engine Light illuminated with internal module error codes (like P0601, P0602, P0606)
By replacing your old unit with this professionally programmed 2011 Buick Regal ECM 12616889, you are installing a direct, reliable fix. We take care of the complex programming process, flashing the unit with the latest GM software updates and calibrating it specifically to your vehicle’s VIN. This ensures a seamless installation and restores your engine’s factory-specified performance and communication.
Features & Benefits
- ✔ VIN-Programmed for You: Arrives at your door fully programmed to your specific vehicle. No expensive trips to the dealership for coding are required.
- ✔ Plug-and-Play Installation: Once you receive the module, the installation is straightforward. In most cases, you simply disconnect the old unit and connect the new one.
- ✔ Updated GM Software: We flash the module with the newest updates from GM, ensuring optimal performance, efficiency, and bug fixes.
- ✔ Solves Common Issues: Directly addresses drivability problems caused by a faulty ECM, restoring smooth operation and engine health.
- ✔ Broad Compatibility: This single unit is a direct replacement for multiple part numbers, including 12630908, 12637106, 12642665, 12650256, and 12651993.
- ✔ This unit is backed by our one-year replacement warranty.
An Expert’s Note on ECM Programming
As a technician with over two decades of experience, I can’t stress this enough: proper programming is not optional, it’s essential. The ECM is the brain of your engine, controlling everything from fuel mixture to spark timing. It also communicates with your vehicle’s anti-theft system. Simply installing a used module from another car won’t work—it will trigger the security system and the car won’t start. Our process of programming the 2011 Buick Regal ECM 12616889 to your VIN ensures all systems communicate correctly from the moment you plug it in, saving you time, money, and immense frustration.
Frequently Asked Questions
Do I need to do any programming myself?
Absolutely not. The module will arrive at your doorstep fully programmed to your vehicle’s VIN with the latest GM software. It is ready for installation right out of the box.
How do I provide my VIN?
After you complete your purchase, you will need to send us your vehicle’s 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 have this information.
Is this a brand new part?
This is a high-quality, tested replacement engine control module that is guaranteed to function to original equipment specifications. It provides a reliable and cost-effective solution to a failed factory unit.
What if my original part number isn’t 12616889?
This ECM is a direct replacement for several part numbers, including 12630908, 12637106, and more. As long as your vehicle’s year, make, and model are on the compatibility list, we will program this module to work perfectly for your application.
Will this fix my check engine light?
If your check engine light is on due to an internal fault in the ECM (common codes include P0601, P0606), then this part is the correct solution. However, we always recommend a proper diagnosis to confirm the ECM is the root cause of the issue before ordering.
What is the warranty on this 2011 Buick Regal ECM 12616889?
This unit is backed by our one-year replacement warranty, giving you confidence in your purchase.