Is Your 2015-2016 Yukon Experiencing Mysterious Engine Problems?
If you’re dealing with a frustrating no-start condition, erratic engine behavior, or a persistent Check Engine Light that no amount of parts-swapping seems to fix, the culprit is often the very brain of your vehicle: the Engine Control Module (ECM). In my 20+ years as a diagnostician, I’ve seen hundreds of GM trucks and SUVs, including the 2015-2016 Yukon, sidelined by a failing ECM. The symptoms can be maddeningly inconsistent, making diagnosis a real headache for the average owner.
A faulty ECM doesn’t just fail; it can create a cascade of phantom issues. You might be chasing codes for sensors you’ve already replaced, or experiencing intermittent stalling, poor fuel economy, and harsh shifting. This happens because the ECM is the central command center, processing data from dozens of sensors to manage everything from fuel injection and spark timing to transmission operation.
The Dealership-Free Solution: A Pre-Programmed ECM
Traditionally, replacing an ECM meant a trip to the dealership for expensive programming and calibration. This module eliminates that step. We take a genuine GM ECM, part number 12673195, and professionally flash it with the latest GM-certified software specific to your vehicle’s VIN. It arrives at your door ready for installation, saving you time, money, and the hassle of a dealer visit.
Expert Pro Tip: Check Your Grounds First!
Before you condemn your ECM, take 10 minutes to check and clean the main engine and chassis ground connections. On these GM trucks, the primary engine-to-body ground is on the front of the passenger side cylinder head. A loose or corroded ground can cause voltage drops and communication errors that perfectly mimic a failing ECM. I’ve saved customers hundreds of dollars with this simple check. If your grounds are clean and tight and the problems persist, the ECM is your next logical step.
Why Choose This VIN-Programmed Module?
This isn’t just a replacement part; it’s a comprehensive solution designed to restore your Yukon’s factory performance and reliability. By providing us with your VIN at checkout, you ensure a perfect match.
- โ No Additional Programming Needed: This module is plug-and-play. Once installed, you will need to perform a simple security relearn procedure, which can be done without any special tools.
- โ Latest GM Software: We flash the module with the most current updates from General Motors, which often include fixes for drivability issues and improved performance logic that your old module may not have.
- โ Guaranteed Compatibility: This ECM is a direct replacement for a wide range of original part numbers, ensuring it works seamlessly with your vehicle’s existing systems.
- โ Restores Full Functionality: Corrects common failure symptoms like false sensor codes, communication errors with other modules (like the TCM or BCM), and erratic engine performance.
Guaranteed Fitment for Your GM Vehicle
This Engine Control Module, identified by part number 12673195, is the correct service replacement for numerous original part numbers, including: 12692067, 12676230, 12656993, 12662034, 12672537, 12663391, 12672963, and 12669318. It is compatible with a wide array of GM trucks, SUVs, and performance cars from 2014-2016. While this listing is for the Yukon, it also fits models like the Silverado, Sierra, Tahoe, Suburban, Escalade, Corvette, and Camaro, among others. Please verify the part number on your original module to ensure a perfect match.