Restore Peak Performance to Your GM Truck or SUV
Is your 2015-2016 GMC Yukon running rough, stalling unexpectedly, or flashing a persistent Check Engine Light? As a technician with over two decades of experience under the hood, I’ve seen these symptoms countless times. Often, the root cause isn’t a faulty sensor or a bad wire, but the very brain of the vehicle: the Engine Control Module (ECM). When the ECM starts to fail, it can create a cascade of frustrating, hard-to-diagnose problems. This isn’t just an inconvenience; it affects your vehicle’s reliability, fuel economy, and safety.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine GM ECM and professionally program it with the latest, most stable software updates direct from GM, using your vehicle’s specific Vehicle Identification Number (VIN). This critical step ensures perfect communication between the module and all other systems in your vehicle, effectively restoring its factory-spec performance and eliminating the issues caused by a failing computer. By ordering this pre-programmed 2015-2016 Yukon Engine Control Module, you bypass the expensive trip to the dealership for programming, saving you both time and hundreds of dollars.
A Technician’s Notebook: The Phantom Misfire
I remember a 2015 Sierra that came into my bay with a complaint of an intermittent misfire and poor acceleration. The owner had already replaced spark plugs, ignition coils, and even an injector based on another shop’s advice, but the problem persisted. The codes were all over the place—random misfires, O2 sensor faults, and even a U0100 Lost Communication code that would pop up occasionally. After checking the wiring harnesses and grounds, my gut told me it was the ECM. The internal processors can develop micro-fractures, causing erratic behavior that looks like a sensor failure. We installed a VIN-programmed ECM, and the truck ran perfectly. It’s a classic case where chasing symptoms costs more than fixing the core problem.
Is Your Vehicle Showing These Common ECM Failure Signs?
A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer is the culprit:
- ✔ Check Engine Light is on with communication-related Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or U0100.
- ✔ The engine cranks but refuses to start.
- ✔ Unexplained drops in fuel efficiency.
- ✔ The vehicle stalls for no apparent reason, either while driving or at idle.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Noticeable loss of power and poor acceleration.
- ✔ Failure to pass an emissions inspection.
A Straightforward Guide to Installation
Replacing the 2015-2016 Yukon Engine Control Module is a job most DIY enthusiasts can handle with basic tools. Our pre-programming service makes it a direct-fit replacement.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes to ensure the system is fully discharged.
- Locate the ECM: On most compatible trucks and SUVs like the Yukon, Sierra, and Silverado, the ECM is found in the LH (driver’s side) front of the engine compartment. It’s a silver box with multiple large electrical connectors.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Once disconnected, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed ECM into place. Securely reconnect all electrical connectors, making sure they click and lock into position.
- Reconnect Power: Reattach the negative battery terminal. In some cases, a security relearn procedure may be required, which typically involves cycling the key in the ignition. Your vehicle’s service manual will have specific instructions if needed.
- Final Check: Start the vehicle and let it idle for a few minutes. Check for any warning lights and take it for a test drive to confirm that the original issues are resolved.
Verified Vehicle Compatibility
This module, part number 12673195, is a direct replacement for a wide range of General Motors vehicles. It is compatible with original part numbers 12692067, 12676230, 12656993, 12662034, 12672537, 12663391, 12672963, and 12669318. Please verify your vehicle is on this list:
- Cadillac ATS: 2014-2016
- Cadillac CTS: 2014-2016
- Cadillac Escalade / ESV: 2015-2016
- Cadillac XTS: 2014-2016
- Chevrolet Camaro: 2016 (6.2L)
- Chevrolet Colorado: 2015-2016 (3.6L)
- Chevrolet Corvette: 2014-2016
- Chevrolet Silverado 1500: 2014-2016
- Chevrolet Suburban 1500: 2015-2016
- Chevrolet Tahoe: 2015-2016
- GMC Canyon: 2015-2016 (3.6L)
- GMC Sierra 1500 / Denali 1500: 2014-2016
- GMC Yukon / Yukon XL 1500: 2015-2016
Ordering this pre-programmed 2015-2016 Yukon Engine Control Module is the most reliable and efficient way to get your vehicle back on the road and running like new.
How do I provide my VIN for programming?
How do I provide my VIN for programming?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. You can typically add it as a note during checkout or reply to your order confirmation email. We cannot ship the module until we receive your VIN.
Is this ECM truly plug-and-play?
Yes, for the vast majority of vehicles. Because we program it to your specific VIN, it arrives ready to install without needing a trip to the dealer. Some vehicles may require a simple key relearn or CASE relearn procedure, which can be done without special tools.
Will this fix my vehicle’s specific problem?
This module corrects issues directly caused by a faulty ECM. While the symptoms we’ve listed are common indicators, we always recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the point of failure before ordering.
What does ‘programmed with the newest updates’ mean?
Manufacturers like GM often release software updates to address bugs, improve transmission shifting, or enhance engine performance and efficiency that were discovered after the vehicle was built. We flash your module with the latest stable software available for your VIN, ensuring you get all these improvements.
Is this a new or used part?
This is a high-quality, inspected, and tested recycled OEM part. Using a genuine OEM module ensures perfect fitment and compatibility, which is crucial for complex electronics. Each one is verified before being programmed and shipped.