Restore Peak Performance to Your GMC Yukon XL
Is your 2015 or 2016 GMC Yukon XL 1500 running rough, displaying a persistent check engine light, or refusing to start? These frustrating issues often point to a failing Engine Control Module (ECM), the central computer that governs your vehicle’s engine performance, fuel economy, and emissions. A faulty ECM can disrupt countless systems, leaving you with an unreliable and inefficient vehicle. This genuine GM Engine Control Module, part number 12672537, is the definitive solution to restore your truck’s factory performance and reliability.
From the Diagnostic Bay
I remember a 2015 Sierra 1500 (which uses the same platform as your Yukon) that came in on a tow truck. The owner had thrown parts at it for weeks—new sensors, spark plugs, you name it. The truck would crank but never start, and the diagnostic codes were all over the place, pointing to communication errors. After confirming power and ground at the ECM connector, we suspected the module itself was internally shorted. The owner was dreading a trip to the dealership for a new module and the expensive programming. We sourced one of these pre-programmed units, provided the VIN, and had it delivered the next day. After a straightforward 10-minute security relearn procedure in the driveway, the truck fired up on the first try and ran perfectly. It saved the customer hundreds of dollars and days of downtime.
Is Your Yukon XL Exhibiting These Symptoms?
A failing ECM can manifest in various ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer needs attention:
- ✔ Persistent and illuminated Check Engine Light (CEL)
- ✔ Engine stalling, stuttering, or misfiring unexpectedly
- ✔ Complete no-start or intermittent starting issues
- ✔ Noticeable decrease in fuel efficiency
- ✔ Poor acceleration and overall loss of engine power
- ✔ Harsh or erratic automatic transmission shifting
- ✔ Communication error codes with a diagnostic scan tool
The Superior Solution: A VIN-Programmed Yukon XL Engine Control Module
Don’t settle for a generic, unprogrammed module that requires a tow to the dealership and expensive specialty tools. We take the hassle and guesswork out of the repair. When you order this Yukon XL Engine Control Module, we use the Vehicle Identification Number (VIN) you provide to flash it with the latest, most up-to-date software directly from General Motors. This ensures that the module is perfectly matched to your vehicle’s specific configuration, including its engine, transmission, and factory options.
This process provides a direct-fit replacement that simplifies installation and restores your vehicle to its original operating parameters. By installing a module programmed specifically for your Yukon, you ensure all related systems function in harmony, from the fuel injectors to the ignition timing, for optimal power and efficiency.
Wide-Ranging GM Compatibility
While this is the ideal solution for your 2015-2016 Yukon XL 1500, this versatile ECM is also compatible with a wide array of other GM trucks, SUVs, and performance cars. It directly replaces multiple part numbers, including 12692067, 12676230, 12656993, 12662034, 12673195, and more. It is a common component in vehicles like the Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Chevrolet Tahoe, Corvette, and Camaro from similar model years. Please verify the part number or consult the detailed fitment list to confirm compatibility with your specific vehicle.
Frequently Asked Questions
Do I need to get this module programmed by a dealer?
No. The main benefit of our service is that we program the module to your vehicle’s specific VIN before we ship it. This saves you the time, expense, and hassle of a dealership visit.
What is a security relearn and is it difficult?
A security relearn, or anti-theft relearn, synchronizes the new ECM with your vehicle’s existing keys and security system. For most GM vehicles of this era, it’s a simple 10-30 minute procedure you can do yourself with just the key. Instructions are widely available online and are generally a sequence of turning the key on and off.
Where is the ECM located on my 2015-2016 Yukon XL?
On the 2015-2016 GMC Yukon XL 1500, the Engine Control Module is typically located in the engine compartment on the driver’s side (LH side), near the front. It’s a silver metal box with several large electrical connectors.
How do I provide my VIN number?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We cannot program and ship your module without it. You can typically find your VIN on the driver’s side dashboard (visible through the windshield) or on the driver’s side door jamb sticker.
Will this fix my check engine light?
If the check engine light and other symptoms are caused by a faulty ECM, then replacing it with this correctly programmed unit will resolve the issue. It’s always recommended to have the codes scanned by a professional to ensure the ECM is the root cause of the problem before ordering.