Restore Peak Performance and Reliability to Your GM Vehicle
Is your Buick, Cadillac, or Chevy suffering from frustrating and unpredictable issues like a persistent check engine light, rough idling, stalling, or a complete no-start condition? These are classic signs of a failing Engine Control Module (ECM). Don’t let a faulty computer keep you off the road. This professionally programmed ECM is the definitive, hassle-free solution to get your vehicle running like new again, restoring both its performance and your confidence.
Common Symptoms of a Failing ECM & Your Solution
A failing ECM can cause a wide range of problems that can be difficult to diagnose. If you’re experiencing any of the following, this module is your solution:
- Perpetual Check Engine Light (CEL)
- Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or U0100
- Engine stalling or cutting out while driving
- Rough or erratic idle
- Noticeable decrease in fuel economy
- Transmission shifting problems
- No-start condition where the engine cranks but won’t fire
- Communication errors with diagnostic scan tools
This replacement module is the reliable fix for these issues. We take the guesswork out of the repair by programming this 2010-2011 LaCrosse 3.6L ECM specifically to your vehicle’s unique Vehicle Identification Number (VIN), ensuring it works correctly right out of the box.
Features & Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash the unit with the latest GM software updates using your VIN. This guarantees perfect compatibility and a straightforward installation process, eliminating the need for an expensive trip to the dealership.
- ✔ Restores Original Performance: By installing a correctly functioning and updated computer, you’ll restore the smooth engine operation, crisp throttle response, and fuel efficiency you expect from your vehicle.
- ✔ Direct-Fit Replacement: This module is designed to be a direct replacement for the original part, matching all factory connections and mounting points. No modifications are needed.
- ✔ Solves Complex Electrical Issues: A faulty ECM can cause a chain reaction of error codes and communication failures with other modules. This unit resolves those core communication problems, providing a lasting solution.
- ✔ Cost-Effective Dealership Alternative: Get a reliable, programmed module without the high costs and scheduling delays associated with dealership service departments.
- ✔ This unit is backed by our one-year replacement warranty.
Expert Insight: The Brain of Your Vehicle
Think of the ECM as the central command center for your vehicle’s engine. It controls everything from fuel injection and ignition timing to emissions systems and communication with the transmission. On these GM 3.6L platforms, a failing ECM often leads to a frustrating diagnostic chase. Mechanics might suspect sensors or wiring, but the root cause is often internal processor failure within the module itself. Our pre-programming service using the latest GM calibrations not only fixes the immediate hardware issue but also ensures all related systems operate on the most stable and efficient software available, preventing future headaches.
By choosing this expertly programmed 2010-2011 LaCrosse 3.6L ECM, you’re not just buying a part; you’re investing in a reliable, long-term solution that brings peace of mind and restores your vehicle to its proper operating condition. This module also directly replaces part numbers 19300015, 12617230, 12636355, and 12635019.
Frequently Asked Questions
What is the process after I place my order?
After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. We cannot ship your part until we receive this information. We use your VIN to load the correct, updated software for your specific vehicle, ensuring a perfect match.
Is this ECM truly “plug and play”?
For most compatible vehicles (like the Traverse, Acadia, Enclave, CTS, etc.), yes. It will arrive ready to install with no further programming needed. However, for the 2010-2011 Camaro and LaCrosse, we must transfer immobilizer data from your old ECM to make it plug and play. If you purchase for one of these two models, we will contact you with simple instructions for sending your old unit to us for this data transfer service.
Will this fix my specific problem?
This module is a definitive solution for a failed ECM. While we always recommend a proper diagnosis by a qualified technician to rule out other issues like wiring or sensor faults, the symptoms listed above are highly indicative of ECM failure. This part is designed to correct those specific internal computer faults.
Do I need to visit a dealer after installation?
No. Our VIN programming service eliminates the need for any additional programming or key relearning procedures at a dealership for most models. The only exception is the immobilizer transfer process for the Camaro and LaCrosse, which we handle for you before shipping the new part.
How do I find my vehicle’s VIN?
Your 17-digit VIN can be found on your vehicle’s registration, your insurance card, on a sticker in the driver’s side door jamb, or on a small plate on the driver’s side of the dashboard, visible through the windshield.
Does this fit vehicles other than the Buick LaCrosse?
Yes. This 2010-2011 LaCrosse 3.6L ECM is also the correct programmed module for many other GM vehicles, including the Chevy Traverse, Cadillac CTS & STS, GMC Acadia, Buick Enclave, and Chevy Camaro, all within the 2010-2011 model years with the 3.6L engine.