Is Your GM 3.6L Engine Running Rough, Stalling, or Refusing to Start?
If you’re behind the wheel of a 2010-2011 GM vehicle with the 3.6L V6 engine, you know it’s a workhorse. But when the brain of the operation—the Engine Control Module (ECM)—starts to fail, it can cause some of the most frustrating and difficult-to-diagnose problems I see in my shop. You might be experiencing a sudden loss of power, erratic idling, a persistent Check Engine Light with a host of confusing codes, or the dreaded no-crank, no-start condition that leaves you stranded.
Over my 20+ years turning wrenches, I’ve seen hundreds of these specific E39 and E39A ECMs fail. The cause is often internal circuit board degradation from thousands of heat cycles in the engine bay, or sometimes a voltage spike from a failing alternator can deliver the final blow. The symptoms aren’t always consistent, which can lead to mechanics chasing their tails, replacing perfectly good sensors and parts.
Expert Pro Tip: Check Your Vitals First!
Before you condemn your ECM, do yourself a favor and have your battery and charging system professionally tested. A weak battery or a failing alternator can cause low or fluctuating voltage, which can mimic the symptoms of a bad ECM. Replacing the ECM without fixing the underlying power supply issue can damage the new module. A simple test can save you hundreds of dollars and a lot of headaches.
The Direct, Reliable Solution: A Pre-Programmed ECM
Instead of paying dealership prices for a blank module and then paying again for expensive programming and key relearn procedures, we offer a complete, ready-to-install solution. This genuine GM Engine Control Module is meticulously tested and then programmed with the very latest GM-certified software, specifically matched to your vehicle using its unique Vehicle Identification Number (VIN).
This isn’t just a part in a box; it’s a comprehensive service designed to get you back on the road quickly and affordably. We handle the complex programming on our bench, so you don’t have to.
How Our Simple Programming Process Works:
- ✔ You purchase this ECM.
- ✔ You provide us with your vehicle’s 17-digit VIN during or after checkout.
- ✔ Our technicians flash the module with the correct, updated software for your exact vehicle.
- ✔ We ship the fully programmed module directly to you, ready for installation.
A Special Note for Camaro and LaCrosse Owners:
Due to the specific Vehicle Theft Deterrent (VTD) system used in the 2010-2011 Camaro and LaCrosse, making this part truly plug-and-play requires one extra step. For these two models only, we will need you to send us your original ECM. We will professionally extract the unique immobilizer data and transfer it to your new module. This ensures your keys are recognized instantly, avoiding any security lockouts or the need for a dealer visit. We will contact you with simple instructions after your purchase.
This Module is a Direct Replacement For:
- ✔ Part Numbers: 19300015, 19300014, 12617230, 12636355, 12635019
Guaranteed Fitment for These Vehicles:
- ✔ 2010-2011 Cadillac STS (3.6L, RH engine)
- ✔ 2010-2011 Cadillac CTS (3.6L, RH front engine compartment)
- ✔ 2010-2011 Buick LaCrosse (3.6L, LH engine compartment)
- ✔ 2010 Buick Allure (3.6L, LH engine compartment)
- ✔ 2010-2011 Chevrolet Camaro (3.6L)
- ✔ 2010-2011 Chevrolet Traverse (Behind fan shroud)
- ✔ 2010-2011 GMC Acadia (Behind fan shroud)
- ✔ 2010-2011 Buick Enclave (Behind fan shroud)
- ✔ 2010 Saturn Outlook (Behind fan shroud)
Don’t let a faulty ECM keep your vehicle down. Restore its performance, reliability, and communication with this professionally programmed Engine Control Module. It’s the same solution I’d use on a customer’s car in my own service bay.