Restore Peak Performance to Your GM Vehicle
Is your 2010-2011 GMC Acadia, Buick Enclave, or Chevy Traverse suddenly running rough, stalling, or displaying a stubborn check engine light? These are classic signs of a failing Engine Control Module (ECM), the central computer of your vehicle. In my 20+ years as a technician, I’ve seen how a faulty ECM can cause a cascade of frustrating, hard-to-diagnose issues. This isn’t just an inconvenience; it affects your vehicle’s fuel economy, emissions, and overall reliability. This replacement ECM is the dependable solution to get your vehicle running like new again.
We take the guesswork and high dealership costs out of the equation. Each module is precisely programmed with the latest GM software updates specifically for your vehicle. All we need is your Vehicle Identification Number (VIN) at checkout. This ensures that when your part arrives, it’s ready for installation, communicating perfectly with your vehicle’s other systems. For owners of a 2010-2011 Acadia ECM, this means a straightforward path back to a smooth-running engine.
From the Diagnostic Bay: The Intermittent No-Start
A customer brought in their 2011 Chevy Traverse—a vehicle that shares its platform and ECM with the Acadia—with a maddening issue. It would start perfectly for a week, then refuse to crank for a day. No codes were stored initially. We checked the battery, starter, and ignition switch, all of which tested fine. The problem felt like a communication breakdown. Finally, during one of its no-start fits, we caught it: the scan tool lost all communication with the ECM. After swapping in a known-good module, the problem vanished. The original ECM had an internal hairline fracture on the circuit board that would separate when the engine bay temperature changed, completely cutting power. This is a prime example of how a failing 2010-2011 Acadia ECM can present as an intermittent electrical ghost.
Key Signs Your Engine Control Module is Failing
- ✔ Check Engine Light is on with communication error codes (e.g., U0100) or internal processor codes (P0601, P0606).
- ✔ Your vehicle fails to start or experiences intermittent starting problems.
- ✔ Noticeable decrease in fuel efficiency for no apparent reason.
- ✔ The engine stalls, stumbles, or misfires while driving.
- ✔ Poor acceleration and overall sluggish performance.
- ✔ Automatic transmission shifting feels harsh or erratic.
A Straightforward Guide to Installation
- ✔ Safety First: Always disconnect the negative terminal from your vehicle’s battery before starting any work on the electrical system.
- ✔ Locate the ECM: On the Acadia, Enclave, and Traverse, the ECM is typically located behind the fan shroud in the engine bay. On other models like the CTS or STS, it may be on the side of the engine compartment. Refer to your owner’s manual for the exact location.
- ✔ Disconnect and Remove: Carefully unplug the electrical connectors from the old ECM. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket and remove it.
- ✔ Install the New Module: Mount your new, pre-programmed ECM onto the bracket and securely tighten the bolts. Reconnect the electrical harnesses, making sure they click firmly into place.
- ✔ Reconnect Battery: Reattach the negative battery terminal. Your vehicle is now ready to start. In most cases, no further procedures are needed.
Important Note for Camaro & LaCrosse Owners: Due to the specific anti-theft systems in the 2010-2011 Camaro and LaCrosse, making this a true plug-and-play solution requires an extra step. We will need you to send us your original ECM to transfer the immobilizer data to the new unit. We will contact you with simple instructions after your purchase.
Verified Vehicle Compatibility
This module, part number 19300015, is a direct-fit replacement for the following vehicles equipped with the 3.6L engine. It is also compatible with part numbers: 19300014, 12617230, 12636355, and 12635019.
- 2010-2011 GMC Acadia (behind fan shroud)
- 2010-2011 Buick Enclave (behind fan shroud)
- 2010-2011 Chevrolet Traverse (behind fan shroud)
- 2010-2011 Cadillac CTS (RH front engine compartment)
- 2010-2011 Cadillac STS (RH engine)
- 2010-2011 Chevrolet Camaro (3.6L)
- 2010-2011 Buick LaCrosse (LH engine compartment)
- 2010 Buick Allure (LH engine compartment)
- 2010 Saturn Outlook (behind fan shroud)
Frequently Asked Questions
Do I need to do any programming myself?
No. We program the module to your vehicle’s VIN before shipping. It arrives ready for installation, saving you a trip to the dealership. The only exception is for Camaro and LaCrosse models, which require an extra step for the immobilizer system that we will guide you through.
How do I provide my VIN?
Simply enter your 17-digit VIN in the provided field during checkout, or send it to us in a message after your purchase. This is crucial for correct programming.
Is this a brand new part?
This is a high-quality, tested replacement part guaranteed to meet or exceed original equipment performance. It comes programmed with the latest software from GM.
Will this fix my check engine light?
If the check engine light is caused by a faulty ECM (common codes include P0601, P0606, U0100), this part is the correct solution. Always ensure a proper diagnosis has been performed to confirm the ECM is the root cause of the issue.
What if I have a Camaro or LaCrosse?
For these two models, we will contact you after your purchase with instructions to send your original module to us. We will transfer the necessary security information to the new module so it will be plug-and-play when you receive it. This service is included in the price.