Restore Your Vehicle’s Brain and Get Back on the Road with Confidence
As a technician with over two decades of experience under the hood, I’ve seen firsthand the frustration a failing Engine Control Module (ECM) can cause. Your 2015-2016 Cadillac Escalade is a sophisticated machine, and its ECM is the central command center. When it starts to falter, you can experience a host of baffling issues, from a simple check engine light to a vehicle that refuses to start. This isn’t just an inconvenience; it’s a reliability and safety concern. That’s why we offer a dependable solution: a genuine GM Engine Control Module, part number 12673195, programmed specifically for your vehicle.
Forget the expensive trip to the dealership and the hassle of coordinating programming. We handle the critical software flashing for you. Simply provide your Vehicle Identification Number (VIN) during checkout, and our experts will load the latest, most stable GM-approved software onto the module. This ensures that when it arrives at your door, it’s ready for a straightforward installation, restoring the precise fuel delivery, ignition timing, and transmission shifting your vehicle was designed for. This is the professional-grade fix you need to solve those persistent electronic gremlins for good.
A Technician’s Notebook: The Silverado That Wouldn’t Stay Running
I remember a 2016 Silverado 1500 that came into the bay with a complaint that stumped two other shops. The truck would run perfectly for days, then suddenly stall at a stoplight and refuse to restart for an hour. There were no consistent trouble codes, just a random U0100 (Lost Communication with ECM) that would pop up occasionally. After checking all the usual suspects—grounds, wiring harnesses, fuel pressure—I focused on the ECM itself. On the surface, it looked fine. But experience has taught me that internal circuit board failures, often due to heat cycles and vibration, can cause these maddeningly intermittent problems. We installed a VIN-programmed 2015-2016 Escalade ECM (the same family of modules) and the problem vanished instantly. The owner was thrilled to have his reliable truck back. It’s a perfect example of how a quality, correctly programmed module is the only true fix.
Is Your Vehicle Showing These Symptoms?
- ✔ Check Engine Light is on with codes like P0601, P0606, or U0100.
- ✔ Engine stalls, hesitates, or runs rough.
- ✔ Noticeable decrease in fuel economy.
- ✔ Transmission shifting issues or harsh engagement.
- ✔ The vehicle won’t start, but the battery and starter are good.
- ✔ Failure to pass state emissions testing.
- ✔ Unexplained electrical issues affecting other systems.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery to prevent any electrical shorts.
- ✔ Locate the ECM: On most compatible trucks and SUVs like the Escalade, Tahoe, and Silverado, the ECM is located in the front of the engine compartment on the driver’s side, near the air filter box.
- ✔ Disconnect the Harnesses: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. Never force them. Inspect the connectors for any corrosion or bent pins.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need it for the new module.
- ✔ Install the New ECM: Mount your new, pre-programmed 2015-2016 Escalade ECM in place and secure it with the original bolts.
- ✔ Reconnect Everything: Plug the wiring harnesses back into the new module until they click securely into place. Reconnect the negative battery terminal.
- ✔ Final Steps: In some cases, a security relearn or crank variation relearn procedure may be required. This can often be done without special tools. Start the vehicle and let it idle for a few minutes to allow the systems to sync.
Verified Vehicle Compatibility
This module is a direct replacement for a wide range of General Motors vehicles and is compatible with multiple part numbers, including 12692067, 12676230, 12656993, and 12662034. It is guaranteed to fit and function correctly in the following models, among others:
Chevrolet: 2014-16 Silverado 1500, 2015-16 Tahoe/Suburban, 2015-16 Colorado, 2014-16 Corvette, 2016 Camaro
GMC: 2014-16 Sierra 1500/Denali 1500, 2015-16 Yukon/Yukon XL, 2015-16 Canyon
Please verify your part number or contact us with your VIN to ensure perfect fitment for your specific vehicle and options.
Frequently Asked Questions About This ECM
Do I need to do any programming myself?
Do I need to do any programming myself?
No. We handle all the programming before we ship the part to you. We use your VIN to flash the module with the latest GM software updates, so it’s ready for installation right out of the box.
Where do I provide my VIN?
Do I need to do any programming myself?
No. We handle all the programming before we ship the part to you. We use your VIN to flash the module with the latest GM software updates, so it’s ready for installation right out of the box.
Is this a reliable fix for my 2015-2016 Escalade ECM?
Do I need to do any programming myself?
No. We handle all the programming before we ship the part to you. We use your VIN to flash the module with the latest GM software updates, so it’s ready for installation right out of the box.
What is a security relearn procedure?
Do I need to do any programming myself?
No. We handle all the programming before we ship the part to you. We use your VIN to flash the module with the latest GM software updates, so it’s ready for installation right out of the box.
Will this fit other GM trucks and cars?
Do I need to do any programming myself?
No. We handle all the programming before we ship the part to you. We use your VIN to flash the module with the latest GM software updates, so it’s ready for installation right out of the box.