Restore Peak Performance to Your GM 3.6L Engine
Is your Buick, Cadillac, or GMC plagued by frustrating issues like a persistent check engine light, erratic idling, or unexpected stalling? These are classic signs of a failing Engine Control Module (ECM), the central computer of your vehicle. When the ECM’s internal components begin to break down, it can wreak havoc on everything from fuel economy to engine timing. I’ve spent countless hours in the shop diagnosing these exact problems, and a faulty ECM is often the hidden culprit behind symptoms that seem impossible to pin down.
This isn’t just a replacement part; it’s a complete solution. We take a high-quality ECM and flash it with the very latest GM-certified software, programmed specifically to your vehicle’s VIN. This crucial step ensures that all factory-corrected drivability improvements and software fixes are loaded, giving your vehicle performance that’s often better than when it left the factory. By providing us with your VIN at checkout, you eliminate the need for an expensive and time-consuming trip to the dealership for programming. This is the reliable, straightforward fix you’ve been looking for.
Case Study: A Tricky Diagnosis
A 2011 Acadia came into my bay with an intermittent no-start condition that was driving the owner crazy. It would be fine for weeks, then refuse to start for an hour. No consistent codes were stored, just a history of random communication faults. After checking all the usual suspects—battery, grounds, starter—I focused on the ECM. On these 3.6L platforms, I’ve seen internal ECM processors (the cause of a P0606 code) fail intermittently due to heat soak. We installed one of our VIN-programmed modules, which not only fixed the no-start issue for good but also smoothed out a slight hesitation the owner hadn’t even realized was a problem. The updated software made all the difference.
Common Signs of a Failing ECM
- ✔ Check Engine Light is illuminated with codes like P0601 (Internal Control Module Memory Check Sum Error) or P0606 (ECM/PCM Processor Fault).
- ✔ Your vehicle experiences intermittent stalling or refuses to start.
- ✔ A noticeable decrease in fuel efficiency.
- ✔ The engine runs rough, misfires, or hesitates during acceleration.
- ✔ Automatic transmission shifts harshly or at the wrong times.
- ✔ Communication issues with diagnostic scan tools.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post.
- ✔ Locate the ECM: On the 2010 Buick Allure, the ECM is found in the engine compartment on the left-hand (driver’s) side. For other models, its location may vary (e.g., behind the fan shroud on a Traverse).
- ✔ Disconnect Connectors: Carefully release the locking tabs on the electrical wiring harnesses and pull them straight out from the module. Avoid pulling on the wires themselves.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the mounting hardware, as you will need it for the new module.
- ✔ Install the New Module: Mount your new 2010 Allure Engine Control Module securely onto the bracket and reconnect the electrical harnesses. Ensure they click firmly into place.
- ✔ Reconnect Battery: Reattach the negative battery terminal. The vehicle is now ready to start. For most models, no further action is needed.
Important Note for Camaro & LaCrosse Owners: Due to the advanced immobilizer systems in the 2010-2011 Camaro and LaCrosse, a simple VIN flash is not enough for a plug-and-play installation. To ensure your vehicle starts and runs correctly without a security relearn procedure, we require your original ECM. We will professionally transfer the specific immobilizer data to your new module before shipping it. After your purchase, we will contact you with instructions for sending your old unit to us. This extra step guarantees a seamless installation.
Verified Vehicle Compatibility
This 2010 Allure Engine Control Module is a direct-fit replacement for the following vehicles equipped with the 3.6L V6 engine. It is also compatible with part numbers: 19300015, 19300014, 12617230, 12636355, 12635019.
- ✔ Buick Allure: 2010
- ✔ Buick Enclave: 2010-2011
- ✔ Buick LaCrosse: 2010-2011
- ✔ Cadillac CTS: 2010-2011
- ✔ Cadillac STS: 2010-2011
- ✔ Chevrolet Camaro: 2010-2011
- ✔ Chevrolet Traverse: 2010-2011
- ✔ GMC Acadia: 2010-2011
- ✔ Saturn Outlook: 2010
Frequently Asked Questions
Frequently Asked Questions
What exactly does “VIN Programmed” mean?
It means we load the module with the specific software and calibrations for your exact vehicle using the 17-digit Vehicle Identification Number (VIN) you provide. This ensures perfect compatibility and includes the latest performance and reliability updates from GM, saving you a trip to the dealer.
Do I need to do a security relearn procedure after installation?
For most listed models, no relearn is needed. It’s designed to be plug-and-play. However, for the Chevrolet Camaro and Buick LaCrosse, we must transfer data from your old module to the new one to avoid this. We will contact you with simple instructions after your purchase.
How do I find my VIN?
Your VIN can be found on your vehicle’s registration, insurance card, or on a small plate on the driver’s side of the dashboard, visible through the windshield.
Is this the correct part for my vehicle?
This module fits the vehicles listed in our compatibility chart with the 3.6L engine. Please cross-reference your original part number with our list (19300015, 19300014, 12617230, 12636355, 12635019) to ensure a perfect match. If you’re unsure, feel free to contact us with your VIN.
What if my original part number isn’t on the list?
Please contact us with your vehicle’s VIN and original part number before ordering. We have an extensive inventory and can help you find the correct module for your specific application.