Restore Peak Performance to Your GM Vehicle
Is your 2015-2016 GMC Yukon or other compatible GM vehicle running rough, stalling unexpectedly, or showing a persistent Check Engine Light? These are classic signs of a failing Engine Control Module (ECM), the critical computer that manages your engine’s performance, fuel efficiency, and emissions. A faulty ECM can be a frustrating and difficult problem to diagnose, but replacing it doesn’t have to be a complicated or expensive ordeal. This is your direct-fit, reliable solution.
This isn’t just a part in a box. We provide a professionally programmed 2015-2016 Yukon Engine Control Module tailored specifically to your vehicle. Simply provide us with your Vehicle Identification Number (VIN) during checkout, and our experts will flash the module with the latest, most stable software updates directly from GM. This critical step ensures that once you receive the part, it communicates flawlessly with your vehicle’s other systems, saving you a costly trip to the dealership for programming.
Common Signs of a Failing Engine Computer
- ✔ Unexplained Check Engine Light (CEL) illumination.
- ✔ Stalling, stumbling, or hesitation during acceleration.
- ✔ Drastic decrease in fuel economy.
- ✔ Engine misfires or rough idling.
- ✔ Vehicle entering ‘limp mode’ with reduced power.
- ✔ No-start or intermittent starting conditions.
- ✔ Communication error codes, such as U0100 (Lost Communication with ECM/PCM).
- ✔ Internal module failure codes like P0601, P0606, or P062F.
A Technician’s Notebook: The Intermittent No-Start
I once had a 2015 Escalade in the bay with a phantom no-start condition that was driving the owner crazy. It would start perfectly for a week, then refuse to crank for an hour. The battery was good, starter tested fine, and there were no consistent codes. After checking wiring diagrams, I focused on the ECM’s power and ground circuits. I noticed a tiny voltage drop at the ECM connector only during the no-start events. In these GM truck platforms, I’ve seen internal ECM component failure due to heat cycles in the engine bay cause this exact symptom. Swapping in a VIN-programmed 2015-2016 Yukon Engine Control Module provided a stable voltage supply and permanently solved the problem. It’s not always the most obvious part, but a failing ECM can create some of the most elusive electrical gremlins.
A Straightforward Guide to Installation
- ✔ Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent accidental reconnection.
- ✔ Locate the ECM: On most compatible trucks and SUVs like the Yukon, Tahoe, and Silverado, the ECM is located in the front of the engine compartment on the driver’s (LH) side, near the air filter housing.
- ✔ Disconnect Connectors: Carefully unclip and remove the electrical wiring harnesses connected to the old module. These connectors have locking tabs that need to be released before pulling.
- ✔ Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware as you will need it for the new module.
- ✔ Install the New Module: Mount your new, pre-programmed ECM onto the bracket and securely fasten it. Reconnect the wiring harnesses, ensuring they click firmly into place.
- ✔ Reconnect Battery: Reattach the negative battery terminal. In some cases, a security relearn procedure (often called a ‘key-on, key-off’ cycle) may be required. This can typically be done without special tools and instructions can be easily found for your specific model.
Verified Vehicle Compatibility
This module is a direct replacement for part numbers 12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, and 12669318. It is guaranteed to fit the following vehicles, provided your original module part number matches:
ATS 2014-2016 (3.6L)
CTS 2014-2016 (3.6L, 6.2L)
Escalade / ESV 2015-2016
XTS 2014-2016 (3.6L)
Chevrolet:
Camaro 2016 (6.2L)
Colorado 2015-2016 (3.6L)
Corvette 2014-2016
Silverado 1500 2014-2016
Suburban 2015-2016
Tahoe 2015-2016
GMC:
Canyon 2015-2016 (3.6L)
Sierra 1500 / Denali 1500 2014-2016
Yukon / Yukon XL 2015-2016
Frequently Asked Questions
How does the VIN programming work?
After you place your order, you will need to provide us with your 17-digit VIN. We use this number to load the exact GM-certified software and calibrations for your vehicle’s specific options and systems onto the module before we ship it.
Is this a plug-and-play part?
Because we pre-program it to your VIN, it is as close to plug-and-play as possible. In most cases, you can install it and start the vehicle. Some vehicles may require a simple, tool-free security relearn procedure which takes about 10-15 minutes.
Will this fix my vehicle’s specific problem?
This module will correct issues directly caused by a faulty ECM. While the symptoms we’ve listed are very common for ECM failure, we always recommend a proper diagnosis by a qualified mechanic to confirm the ECM is the root cause of your problem.
Do I need to send my old ECM back?
No core charge or return is required for this part. You can keep or responsibly dispose of your old module.
What if my part number is not on the list but my vehicle is?
Please contact us with your vehicle’s VIN and original module part number. The compatibility list is extensive, and we can verify if this module is the correct replacement for your specific application.