Is Your 2010-2011 Traverse or GM 3.6L Vehicle Experiencing Engine Problems?
If you’re dealing with a frustrating no-start condition, random stalling, a persistent check engine light, or erratic engine behavior in your GM vehicle, a failing Engine Control Module (ECM) is a very likely culprit. As the ‘brain’ of your engine, the ECM is responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions controls. When it starts to fail, the symptoms can be widespread and confusing, often leading to incorrect diagnoses and wasted money on other parts.
Common Symptoms of a Failing GM 3.6L ECM
Over my 20+ years in the shop, I’ve seen hundreds of these specific ECMs fail. The signs are often consistent across the Traverse, Acadia, Enclave, and other models using this platform. Look out for:
- ✔ Inexplicable stalling, either while driving or at idle.
- ✔ A complete no-start condition where the engine cranks but won’t fire up.
- ✔ Multiple, unrelated diagnostic trouble codes (DTCs) stored in the system.
- ✔ Poor fuel economy and a noticeable loss of engine power.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ The cooling fans running constantly, even when the engine is cold.
- ✔ A check engine light that remains on despite replacing sensors.
A Real-World Diagnostic Story
“A customer’s 2011 Traverse came in last week with these exact symptoms. It would stall intermittently and had a whole host of communication codes. The owner had already replaced the throttle body and a camshaft sensor with no luck. After verifying good power and ground at the ECM connectors and checking the CAN bus network for integrity, we determined the ECM itself was failing internally. Heat cycling, especially on these models where the ECM is mounted behind the fan shroud, causes internal solder joints to crack over time. We installed one of our pre-programmed modules, and the vehicle was running perfectly within an hour. This is a fix I’ve performed countless times.”
The Direct Solution: A Professionally Programmed ECM
Don’t let a faulty computer keep your vehicle off the road. This Engine Control Module is a direct-fit replacement, solving the core problem without the exorbitant cost and hassle of a dealership visit. We take the guesswork out of the repair by programming the module specifically for your vehicle before it ever leaves our facility.
How Our Programming Service Works
The process is simple and designed to get you back on the road quickly:
- Place your order for this ECM.
- Provide us with your vehicle’s 17-digit Vehicle Identification Number (VIN) during or after checkout.
- Our technicians will use your VIN to flash the module with the latest, most stable software updates directly from GM. This ensures all factory-corrected drivability issues and bugs are addressed.
- We ship the ready-to-install module directly to you. In most cases, this is a plug-and-play solution.
A Special Note for Chevrolet Camaro & Buick LaCrosse Owners
Due to the specific anti-theft (immobilizer) systems used in the 2010-2011 Camaro and LaCrosse, a simple VIN flash is not enough to make the module plug-and-play. The immobilizer data is stored in your original ECM. For these two models, you will need to send us your original module. We will professionally extract the security information and transfer it to your new ECM, making it a true plug-and-play part that will start the vehicle without any additional security relearn procedures. We will contact you with shipping instructions after your purchase.
Guaranteed Fitment for Your Vehicle
This module is a confirmed fit for the following vehicles equipped with the 3.6L V6 engine. Please verify your model and year range.
- ✔ Buick Allure: 2010
- ✔ Buick Enclave: 2010-2011
- ✔ Buick LaCrosse: 2010-2011 (Requires sending original ECM)
- ✔ Cadillac CTS: 2010-2011
- ✔ Cadillac STS: 2010-2011
- ✔ Chevrolet Camaro: 2010-2011 (Requires sending original ECM)
- ✔ Chevrolet Traverse: 2010-2011
- ✔ GMC Acadia: 2010-2011
- ✔ Saturn Outlook: 2010
Compatible with Multiple Part Numbers
This ECM replaces the following GM and AC Delco part numbers. If your module has one of these numbers, this is the correct replacement.
- ✔ 12635019
- ✔ 19300015
- ✔ 19300014
- ✔ 12617230
- ✔ 12636355