Restore Your Vehicle’s Brain and Get Back on the Road with Confidence
Is your Buick, Cadillac, or Chevy acting erratically? Experiencing frustrating issues like random stalling, a persistent check engine light, no-start conditions, or a sudden drop in fuel economy? The problem often points directly to a failing Engine Control Module (ECM). As the central computer for your engine, a faulty ECM can create a cascade of problems that are difficult to diagnose. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded. In my 20+ years of shop experience, I’ve seen how a failing ECM can mimic a dozen other problems, leading to wasted time and money on unnecessary parts.
This is your direct, no-hassle solution. We are offering a replacement 2010 Allure Engine Control Module that is professionally programmed to your vehicle’s specific Vehicle Identification Number (VIN). We flash it with the latest, most stable software updates directly from GM. This means you’re not just getting a replacement part; you’re getting a component that’s optimized for your exact vehicle, restoring performance and communication between all the critical systems. Forget expensive dealership visits and the headache of finding a shop with the right programming tools. We handle the complex part for you, so you can focus on the straightforward installation.
Case Study: The Ghost in the Machine
A customer brought in a 2011 Acadia with the 3.6L engine, complaining of intermittent stalling at stoplights and a weird hesitation under light acceleration. No consistent codes were stored, just a history of random communication faults. We checked fuel pressure, scanned for vacuum leaks, and tested sensors—everything looked perfect. After two days of chasing ghosts, we hooked up a scope to the ECM’s main processor outputs. We saw the signal drop out for a millisecond, just long enough to cause a hiccup but not always long enough to set a hard fault. A replacement ECM, programmed to the VIN, solved the problem instantly. It’s a classic example of how an internal ECM failure can present as an elusive, maddening issue.
Is Your GM Vehicle Showing These Red Flags?
- ✔ Check Engine Light is illuminated with communication or internal processor codes (e.g., P0601, P0606, U0100).
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained stalling, especially when coming to a stop or at idle.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ The vehicle is in “limp mode,” with reduced power.
- ✔ Automatic transmission shifts harshly or at the wrong times.
- ✔ Communication issues with your OBD-II scan tool.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes to ensure all systems are fully powered down.
- ✔ Locate the ECM: On most of these vehicles, the ECM is located in the engine compartment. For Traverse, Acadia, Enclave, and Outlook models, it’s typically behind the fan shroud. For LaCrosse, Allure, and CTS models, check the LH or RH side of the engine compartment.
- ✔ Disconnect the Connectors: Carefully release the locking tabs on the electrical wiring harnesses and pull them straight out from the module. Do not force them.
- ✔ 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, pre-programmed ECM onto the bracket and secure it with the original hardware.
- ✔ Reconnect Everything: Plug the wiring harnesses back into the new ECM until they click securely into place. Reconnect the negative battery terminal.
- ✔ Perform Relearn (If Necessary): While we program the VIN, some vehicles may require a simple security or crank-variation relearn procedure. This can often be done without special tools. For Camaro and LaCrosse models, we make this step seamless by transferring your immobilizer data before shipping, but we will need your old module to do so. We will contact you with instructions after your purchase.
Verified Vehicle Compatibility
This module is a direct replacement for part number 12635019 and is also compatible with the following part numbers: 19300015, 19300014, 12617230, and 12636355. It is guaranteed to fit the following models equipped with the 3.6L V6 engine:
- ✔ 2010-2011 Buick LaCrosse
- ✔ 2010 Buick Allure
- ✔ 2010-2011 Cadillac CTS
- ✔ 2010-2011 Cadillac STS
- ✔ 2010-2011 Chevrolet Camaro
- ✔ 2010-2011 Chevrolet Traverse
- ✔ 2010-2011 GMC Acadia
- ✔ 2010-2011 Buick Enclave
- ✔ 2010 Saturn Outlook
Frequently Asked Questions
How do I provide my VIN number?
After you complete your purchase, you can send us a message with your 17-digit VIN. We cannot program and ship the module without it.
Is this module truly plug-and-play?
For most listed models, yes. We program it with your VIN and the latest GM software. For the Camaro and LaCrosse, we require your old module to transfer immobilizer data to make it plug-and-play. We will contact you with simple shipping instructions for your old unit after purchase.
Will this fix my specific check engine light codes?
This ECM is a common solution for internal processor and communication codes like P0601, P0606, or U0100. If you have other codes, ensure you have diagnosed the root cause, as the ECM may not be the issue.
Do I need to have the dealership do anything after installation?
No. Our programming service is designed to eliminate the need for any additional programming at the dealership, saving you significant time and money.
What if my part number is slightly different?
This module replaces several part numbers, including 19300015, 19300014, 12617230, and 12636355. As long as your vehicle is on the compatibility list, this module will function correctly.