Restore Peak Performance to Your Cadillac Escalade ESV
Is your 2015-2016 Cadillac Escalade ESV suffering from mysterious engine issues, poor fuel economy, or a persistent Check Engine Light? The Engine Control Module (ECM), often called the vehicle’s main computer, is the brain behind your engine’s operation. When it begins to fail, it can cause a cascade of frustrating and difficult-to-diagnose problems. This genuine GM Engine Control Module, part number 12656993, is the definitive solution to restore your vehicle’s factory performance, drivability, and reliability.
This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take the guesswork and additional expense out of the repair process. Before this module ships, our technicians will program it with the latest GM-certified software specifically for your vehicle using the VIN you provide. This ensures seamless integration, correct engine parameters, and optimal performance right out of the box, eliminating the need for an expensive trip to the dealership for programming.
Is Your 2015-2016 Escalade ESV ECM Failing?
A faulty engine computer can manifest in numerous ways, often intermittently at first. If you’re experiencing any of the following, a failing ECM could be the culprit. This module is the direct-fit, correctly programmed solution for these issues.
- ✔ Unexplained Check Engine Light (CEL) with various trouble codes.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Complete no-start condition where the engine cranks but won’t fire.
- ✔ Noticeable decrease in fuel efficiency.
- ✔ Rough or erratic idling.
- ✔ Transmission shifting problems or harsh shifts.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Intermittent loss of power.
The Importance of VIN-Specific Programming
Modern vehicles like your Escalade ESV have complex systems that are precisely calibrated. Simply installing a generic or non-programmed ECM will not work; the vehicle will not start or run correctly. Our process ensures this module is a true plug-and-play solution. By programming it to your specific Vehicle Identification Number (VIN), we load all the correct software for your engine, transmission, and factory-installed options. This guarantees that the module communicates perfectly with all other computers in your vehicle, from the transmission controller to the anti-lock brake system.
This module is a direct replacement for a wide range of GM trucks and SUVs. It is compatible with the following part numbers: 12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, and 12669318. Please verify your part number or contact us with your VIN to confirm compatibility.
Frequently Asked Questions
Do I need to do any additional programming after installation?
No. We program the module to your vehicle’s VIN before shipping, which handles the main operational software. However, on some GM vehicles, you may need to perform a simple security relearn procedure (often called a CASE relearn or anti-theft relearn) which can typically be done without special tools. Instructions are widely available online or in service manuals.
How do I provide my VIN number?
After you complete your purchase, you can send us a message with your 17-digit VIN. We cannot ship the part until we receive this information, as the programming is essential for the part to function in your vehicle.
Is this a brand new part?
This is a high-quality, OEM-grade replacement part that has been thoroughly tested and is guaranteed to perform to factory specifications. We load it with the newest software available from GM for your vehicle.
Will this ECM fix my vehicle’s problem for sure?
This module will correct any issues directly caused by a faulty ECM. While the symptoms listed are common for ECM failure, they can also be caused by other failing components. Proper vehicle diagnosis is always recommended before purchasing.
Where is the ECM located on my 2016 Escalade ESV?
On the 2015-2016 Escalade, Escalade ESV, and other similar GM trucks/SUVs (like the Silverado, Sierra, Tahoe, Yukon), the ECM is typically located in the engine compartment on the driver’s side, near the front.