Is Your Suburban Experiencing Mysterious Engine Problems?
If your 2015 or 2016 Chevrolet Suburban is suffering from issues like an illuminated Check Engine Light, erratic engine behavior, stalling, or a complete no-start condition, the root cause might be a failing Engine Control Module (ECM). The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifts and emissions systems. When it begins to fail, it can create a cascade of frustrating and difficult-to-diagnose problems, leaving your reliable SUV dead in the water.
Symptoms of a Failing 2015-2016 Suburban ECM
A faulty engine computer can manifest in numerous ways. If you’re noticing any of the following symptoms, it’s a strong indicator that your ECM may need replacement. Look out for:
- ✔ Persistent Check Engine Light (CEL) that won’t clear, or clears and returns quickly.
- ✔ Unexplained drops in fuel economy.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Rough or erratic idling.
- ✔ Difficulty starting the engine, or a complete no-start condition.
- ✔ Transmission shifting issues or getting stuck in a single gear (limp mode).
- ✔ Error messages on the dashboard like “Service StabiliTrak” or “Reduced Engine Power.”
- ✔ Communication errors when trying to use a diagnostic scan tool.
The Direct Solution: A VIN-Programmed Replacement
This isn’t just a replacement part; it’s a complete solution. This Engine Control Module, part number 12673195, is a direct-fit replacement for your 2015-2016 Suburban and many other GM vehicles. The most critical part of the process is the programming, and we handle that for you. Before we ship the module, our technicians will use your vehicle’s unique Vehicle Identification Number (VIN) to flash it with the latest, most stable software updates directly from GM. This ensures that the module is perfectly matched to your vehicle’s specific configuration, including its engine, transmission, and factory options.
By providing a module that is already programmed, we eliminate the need for expensive trips to the dealership for software installation. This saves you time, money, and the hassle of towing your vehicle. The module will be ready for installation right out of the box, allowing you to get your Suburban back on the road quickly and confidently.
This module is also a direct replacement for a wide range of alternative part numbers, including: 12692067, 12676230, 12656993, 12662034, 12672537, 12663391, 12672963, and 12669318. It fits a variety of GM trucks, SUVs, and cars, making it a versatile and reliable component for many applications.
Frequently Asked Questions
Do I need to get this ECM programmed by a dealer?
No. We handle the programming for you before shipment. Simply provide us with your vehicle’s VIN during checkout, and we will flash the module with the latest GM software specific to your Suburban.
Is installation difficult?
The physical installation is straightforward for someone with basic mechanical skills. The ECM is typically located in the engine compartment. However, after installation, you may need to perform a security relearn procedure (often called a key relearn or anti-theft relearn) to sync the new ECM with your vehicle’s keys. This procedure can usually be done without special tools and instructions are widely available online.
How do I find my vehicle’s VIN?
Your 17-digit VIN can be found on your vehicle’s registration, insurance card, or on the driver’s side of the dashboard visible through the windshield.
Will this fix my check engine light?
If the check engine light and other symptoms are caused by a faulty ECM, this part will resolve those issues. It is always recommended to have a proper diagnosis performed to confirm the ECM is the point of failure before ordering.
Is this compatible with other vehicles besides the Suburban?
Yes, this ECM fits a wide range of GM vehicles from 2014-2016, including the Silverado, Sierra, Tahoe, Yukon, Escalade, Corvette, Camaro, and more. Please check the detailed fitment list on this page to confirm compatibility with your specific model and options.