Is your Cadillac, Chevy, or GMC vehicle suffering from perplexing engine issues, a persistent check engine light, or inconsistent performance? The Engine Control Module (ECM), the vehicle’s central computer, is often the culprit. When it fails, it can cause a cascade of problems that are difficult to diagnose. This direct-fit Engine Control Module, part number 12673195, is the definitive solution to restore your vehicle’s factory performance, drivability, and reliability.
We take the guesswork and dealership hassle out of the equation. Unlike a standard replacement part that requires expensive programming at a service center, this ECM arrives at your door fully programmed to your specific vehicle. Simply provide us with your Vehicle Identification Number (VIN) during checkout, and our technicians will flash the module with the latest, most stable software updates directly from GM. This ensures perfect compatibility and a seamless installation process, getting you back on the road faster.
Common Symptoms of a Failing Engine Control Module
A faulty ECM can manifest in various ways, often mimicking other component failures. If you’re experiencing any of the following, your engine computer may be at the end of its service life:
- ✔ Persistent Check Engine Light (CEL) with various trouble codes.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel economy.
- ✔ Rough or erratic idling.
- ✔ Hard starting or no-start conditions.
- ✔ Failure to pass emissions testing.
- ✔ Inconsistent or harsh transmission shifting.
- ✔ Communication errors with diagnostic scan tools.
Why Choose Our Pre-Programmed 2014-2016 ATS Engine Module?
This isn’t just a replacement part; it’s a comprehensive, ready-to-install solution. The core of our service is the VIN-specific programming. By flashing the unit with your vehicle’s exact data and the newest GM software, we ensure that all systems—from the engine and transmission to the anti-lock brakes and security system—communicate flawlessly. This module is a direct replacement for a wide array of part numbers, including 12692067, 12676230, 12656993, 12662034, and many more, making it a versatile fix for numerous GM cars and trucks.
Broad Vehicle Compatibility:
While this is a perfect fit for the 2014-2016 ATS Engine Module, it is also the correct component for a vast range of popular GM models. This includes, but is not limited to:
- Chevrolet Silverado 1500 (2014-2016)
- GMC Sierra 1500 & Sierra Denali 1500 (2014-2016)
- Cadillac Escalade & ESV (2015-2016)
- Chevrolet Tahoe & Suburban 1500 (2015-2016)
- GMC Yukon & Yukon XL 1500 (2015-2016)
- Chevrolet Corvette (2014-2016)
- Chevrolet Camaro (2016)
- Cadillac CTS & XTS (2014-2016)
- Chevrolet Colorado & GMC Canyon (2015-2016)
Please verify your original part number or consult the detailed fitment list to confirm compatibility with your specific vehicle and options.
Simple Installation Process
Our goal is to make your repair as straightforward as possible. The process is simple:
- Place your order for the ECM.
- Provide your vehicle’s 17-digit VIN when prompted.
- We program the module and ship it to you.
- Once you receive the part, disconnect the vehicle’s battery.
- Carefully remove the old ECM and install the new one.
- Reconnect the battery.
In many cases, the vehicle will start and run perfectly. Some GM vehicles may require a simple, key-on/key-off security relearn procedure, which does not require any special tools and instructions can be easily found online or provided upon request.
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is essential for us to program the ECM with the correct software, calibrations, and security information for your specific vehicle’s engine, transmission, and options. This ensures a true plug-and-play installation.
Is this a simple plug-and-play part?
Yes, because we program it to your VIN before shipping, it is designed to be a plug-and-play solution. In some instances, a simple security relearn procedure may be necessary, which typically involves a series of key cycles and does not require a mechanic or special tools.
Will this fix my vehicle’s specific problem?
This module will correct any issues directly caused by a failing ECM. While the symptoms listed are common for ECM failure, we always recommend a proper diagnosis by a qualified technician to confirm the ECM is the root cause before ordering.
Do I need to return my old ECM?
There is no core charge or requirement to return your old, non-functional module. You can keep it or dispose of it responsibly.
What if my part number is slightly different?
This module supersedes and is compatible with a long list of previous GM part numbers, including 12692067, 12676230, 12656993, and others listed in the description. As long as your vehicle is on the compatibility list, this module will function correctly.