Is Your GM Vehicle Acting Up?
Are you staring at a stubborn Check Engine Light that won’t go away? Dealing with frustrating issues like engine stalling, rough idling, a no-start condition, or declining fuel economy? In my 20+ years as a diagnostic technician, I’ve seen these symptoms countless times, and they often point directly to a failing Engine Control Module (ECM). The ECM is the brain of your engine, and when it starts to fail, it can cause a cascade of problems that are often misdiagnosed as bad sensors or fuel system issues.
A Technician’s Real-World Experience
“Just last month, a 2018 Chevy Equinox was towed to my shop. The owner had already replaced the camshaft and crankshaft sensors, but the engine would still randomly stall at red lights. After hooking up my scan tool and seeing erratic data streams that made no sense, I suspected the ECM. We swapped in a pre-programmed module just like this one, and the problem was solved instantly. It’s a classic case of the ‘brain’ sending faulty signals, not the ‘senses’ (the sensors) being bad.”
The Direct-Fit, Programmed Solution
Forget the hassle and high cost of a dealership visit. This is a thoroughly tested, used OEM Engine Control Module bearing service number 12669908. The best part? We handle the critical programming for you before it even leaves our facility. Simply provide us with your vehicle’s 17-digit VIN during checkout, and our experts will flash the module with the latest, most stable software calibrations directly from GM. This ensures it’s ready to communicate with your specific vehicle’s systems right out of the box.
Key Benefits of This Module:
- ✔ VIN-Programmed for You: We load the correct software for your exact vehicle using your VIN.
- ✔ Cost-Effective Repair: Get a reliable OEM part without the steep dealership price tag.
- ✔ Solves Common Issues: An effective fix for CELs, stalling, poor performance, and no-start conditions related to a faulty ECM.
- ✔ OEM Reliability: This is a genuine GM part pulled from a salvaged vehicle, ensuring proper fit and function.
Understanding the Post-Installation Process
As a seasoned professional, I believe in full transparency. Installing a new ECM on modern GM vehicles isn’t always a simple swap. Your vehicle’s security system is designed to prevent theft, and it will recognize this new ECM as an unauthorized part until a ‘handshake’ procedure is completed.
IMPORTANT NOTICE: It is the buyer’s responsibility to perform any necessary relearn procedures after installation. This is standard practice for this type of repair.
- Vehicle Theft Deterrent System (VTDS) Relearn: If your vehicle does not start after installation, this procedure is required. It must be performed using a professional scan tool with access to GM’s TIS2Web programming system. Most independent repair shops have this capability.
- Other Potential Relearns: Depending on your specific vehicle, you or your mechanic may also need to perform a Crankshaft Position Variation Relearn (Case Relearn), idle relearn, or injector flow rate programming.
Guaranteed Fitment for Service Number 12669908
Please verify this part number matches the one on your current module. This ECM is a confirmed fit for the following vehicles and options:
- Acadia: 2017 (VIN Z, 2.5L), 2018 (2.5L)
- ATS: 2017 (2.0L)
- Cruze: 2017-2018 (Gasoline)
- CTS: 2017 (2.0L)
- Equinox: 2018 (1.5L, 2.0L), 2019 (1.5L, ID 12669908)
- LaCrosse: 2018 (2.5L)
- Malibu: 2017, 2018 (1.8L, 2.0L)
- Regal: 2018 (2.0L)
- Volt: 2017-2018 (Gasoline, ID 12669908)