Restore Peak Performance to Your GM 3.6L Engine
Is your 2010-2011 Chevrolet Traverse, Acadia, or Enclave running rough, stalling unexpectedly, or showing a persistent check engine light? These are classic signs of a failing Engine Control Module (ECM). As the brain of your vehicle, a faulty ECM can cause a cascade of frustrating and potentially unsafe issues, from poor fuel economy to a complete no-start condition. Don’t let a bad module keep you sidelined. This direct-fit ECM is the reliable, straightforward solution to get your vehicle back on the road with confidence.
We take the guesswork and high costs out of the repair. Unlike a blank module from a dealership that requires expensive programming, this unit arrives at your door flashed with the latest official GM software, specifically matched to your vehicle’s VIN. This critical step ensures all systems—engine, transmission, and emissions—communicate correctly, restoring the smooth operation and efficiency you expect. For the DIY mechanic or the professional shop, this means a faster, more reliable repair.
Common Signs of a Failing ECM
- ✔ Check Engine Light is on with codes like P0601, P0606, or U0100.
- ✔ Engine stalls, misfires, or hesitates during acceleration.
- ✔ The vehicle won’t start, but the battery and starter are good.
- ✔ Noticeable decrease in fuel mileage.
- ✔ Transmission shifting issues or harsh engagement.
- ✔ Failure to pass an emissions inspection.
Case Study: A Tricky Diagnosis
A customer brought in an ’11 Acadia with an intermittent no-start and a random stalling problem that two other shops couldn’t solve. The codes were all over the place—lost communication, sensor voltage errors—a real mess. After confirming the wiring harness was solid, my experience pointed straight to the ECM. These modules, often located behind the fan shroud, endure constant heat cycles and vibration, which eventually compromises internal circuits. We installed a VIN-programmed ECM just like this one, and the vehicle ran perfectly. The pre-programming saved the customer hundreds over dealer pricing and got them back on the road the same day.
A Straightforward Guide to Installation
Replacing the ECM on these GM SUVs is a manageable job for a confident DIYer. The module is typically located behind the engine’s cooling fan shroud. While it requires a few extra steps, no specialized programming tools are needed with our unit.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Access the Module: Depending on your exact model, you may need to remove the engine cover and the cooling fan shroud to access the ECM.
- Disconnect Harnesses: Carefully release the locking tabs on the electrical connectors and gently pull them straight off the module. Never force them.
- Remove the Old ECM: Unbolt the old module from its mounting bracket. Note the orientation for an easy installation of the new one.
- Install the New ECM: Mount the new, pre-programmed ECM and securely reconnect the electrical harnesses. You should hear a ‘click’ as they lock into place.
- Final Steps: Reinstall the fan shroud and any other components you removed. Reconnect the battery. Your vehicle may require a security relearn procedure, which can typically be done without special tools (instructions available online or in your owner’s manual).
Verified Vehicle Compatibility
This Engine Control Module is a direct-fit replacement for the following vehicles equipped with the 3.6L V6 engine. It is compatible with part numbers 19300015, 19300014, 12617230, 12636355, and 12635019.
- 2010-2011 Buick LaCrosse (3.6L)
- 2010 Buick Allure (3.6L)
- 2010-2011 Buick Enclave
- 2010-2011 Cadillac CTS (3.6L)
- 2010-2011 Cadillac STS (3.6L)
- 2010-2011 Chevrolet Camaro (3.6L)
- 2010-2011 Chevrolet Traverse
- 2010-2011 GMC Acadia
- 2010 Saturn Outlook
Important Note for Camaro & LaCrosse Owners: For these specific models, a fully plug-and-play installation requires us to transfer immobilizer data from your original ECM. After your purchase, we will contact you with instructions for sending your old module to us for this service.
Frequently Asked Questions
Do I need to do any programming myself?
No. We flash the module with the latest GM software using the VIN you provide during checkout. This ensures it’s ready for installation right out of the box for most vehicles.
Where do I provide my vehicle’s VIN?
You can enter your 17-digit VIN in the notes section during checkout or simply reply to your order confirmation email with the information. We cannot ship your part until we receive the VIN.
What is the purpose of the 2010-2011 Traverse ECM?
The Engine Control Module (ECM) is the central computer for your vehicle’s engine. It controls fuel injection, ignition timing, emissions systems, and communicates with other modules to ensure everything runs correctly.
Why do I need to send my old module for a Camaro or LaCrosse?
These models have specific anti-theft (immobilizer) information stored in the ECM. To make the new module work without a trip to the dealer, we must read this data from your old unit and write it to the new one. We will provide a shipping label and instructions.
Is this compatible with other part numbers?
Yes, this ECM is a direct replacement for part numbers 19300015, 19300014, 12617230, 12636355, and 12635019.