Restore Your Buickโs Dependable Performance
Is your 2008-2009 Buick LaCrosse running rough, stalling, or displaying a persistent Check Engine Light? A failing Engine Control Module (ECM) can disrupt the smooth, quiet ride you expect from your vehicle, causing frustrating and unpredictable issues. This direct-fit ECM is the definitive solution, arriving pre-programmed to your vehicle’s specific VIN. This crucial step ensures it communicates flawlessly with your car’s systems right out of the box, saving you from an expensive and time-consuming trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a faulty engine computer is the likely culprit. This module is designed to resolve these problems and restore your vehicle’s factory performance.
- Persistent Check Engine Light (CEL)
- Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or other internal processor faults
- Engine stalling, sputtering, or misfiring
- Poor fuel economy and reduced engine power
- Transmission shifting issues or communication errors
- Complete no-start condition where the engine cranks but won’t fire
By installing our expertly programmed 2008-2009 Buick LaCrosse 5.3L ECM, you are not just replacing a part; you are restoring the core of your vehicle’s operational integrity and ensuring it runs as efficiently and reliably as it was designed to.
Features & Benefits
- โ Plug & Play Installation: This module comes fully programmed to your vehicle’s VIN. No dealership visit is required for programming, saving you hundreds of dollars in fees.
- โ Updated GM Software: We flash each unit with the latest General Motors software updates, ensuring optimal engine performance, fuel efficiency, and emissions control.
- โ Guaranteed Compatibility: A direct replacement for service number 19210737 and a wide range of other interchangeable parts, ensuring a perfect fit and function for your LaCrosse.
- โ Restored Drivability: Eliminates common failure symptoms like stalling, rough idling, and poor acceleration, bringing back the smooth and responsive performance you expect.
- โ Peace of Mind Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
In modern vehicles like your Buick LaCrosse, the ECM is more than just an engine controller; it’s the central hub for your car’s electronic systems. It manages everything from fuel injection and ignition timing to transmission shifting and the anti-theft system (VATS/Passlock). Simply installing a used, unprogrammed module will almost always result in a no-start condition because the anti-theft system won’t recognize it. Our VIN-specific programming ensures the ECM is a perfect digital match for your car, allowing all systems to communicate correctly and securely from the moment you turn the key.
Frequently Asked Questions
Do I need to do any additional programming after installation?
No. This 2008-2009 Buick LaCrosse 5.3L ECM is shipped fully programmed to the VIN you provide. However, you may need to perform a simple security relearn procedure, which can typically be done in your driveway without any special tools. We include instructions for this easy process.
Where do I provide my vehicle’s VIN?
After you complete your purchase, you will receive instructions on how to send us your 17-digit Vehicle Identification Number (VIN). We cannot ship your part until we receive this information, as the programming is specific to your exact vehicle.
Is this compatible with other GM vehicles?
Yes, this ECM (service number 19210737) fits a very wide range of GM vehicles from 2005-2010. While this listing is for the 2008-2009 LaCrosse, please check the detailed fitment list in our description or contact us with your VIN to confirm compatibility for other models.
What if my original part number is different?
That’s okay. GM uses many different service numbers for the same compatible part. As long as your vehicle’s year, make, model, and engine are on our fitment list, or your original part number is listed as interchangeable, this unit will work perfectly once programmed to your VIN.
What tools are needed for installation?
Installation is straightforward for someone with basic mechanical skills. You will typically only need a set of metric sockets and a ratchet to disconnect the battery and remove/replace the module. The 2008-2009 Buick LaCrosse 5.3L ECM is located in the lower air cleaner housing, making it relatively accessible.