Is Your Escalade ESV Running Rough or Not Starting?
If your 2015-2016 Cadillac Escalade ESV is suddenly plagued by a check engine light, erratic engine behavior, poor fuel economy, or even a frustrating no-start condition, the problem often points directly to a failing Engine Control Module (ECM). As a technician with over two decades of experience under the hood, I’ve seen this exact scenario play out hundreds of times on modern GM vehicles. The ECM is the sophisticated brain of your engine, and when it fails, it can create a cascade of confusing and performance-robbing symptoms.
From the Shop Floor: A Real-World Diagnostic Story
“A customer’s 2016 Silverado 1500 came in last week with these exact symptoms. It was intermittently stalling at red lights and throwing a dozen unrelated communication codes (U-codes). The owner had already replaced the battery and alternator, but the problem persisted. After confirming power and ground to the ECM were solid, we connected our diagnostic scanner and found the module itself was dropping offline. Heat and vibration in the engine bay had taken their toll on the internal processor. We replaced it with a VIN-programmed unit just like this one, performed the security relearn, and the truck ran perfectly. It’s a common failure point I diagnose frequently.”
The Dealership-Free Solution You Need
Replacing an ECM used to mean a mandatory, and often expensive, trip to the dealership for programming. We’ve eliminated that step. This is a genuine GM Engine Control Module that we program specifically to your vehicle’s Vehicle Identification Number (VIN) before it ships. We load the latest, most stable software updates from GM, ensuring your vehicle benefits from all factory-issued performance and drivability improvements.
Common Symptoms of a Failing GM ECM:
- ✔ Check Engine Light (CEL) is illuminated with various codes
- ✔ Vehicle enters “Reduced Engine Power” or “Limp Mode”
- ✔ Unexplained stalling or difficulty starting
- ✔ Poor or erratic automatic transmission shifting
- ✔ Decreased fuel efficiency
- ✔ Communication errors with other vehicle modules (often seen on a professional scan tool)
Simple Installation Process
Once you receive your pre-programmed module, the physical installation is straightforward. For your Escalade ESV, it’s located in the LH (driver’s side) front engine compartment. After swapping the hardware, you will need to perform a security relearn procedure (often called a Passlock or anti-theft relearn). This procedure syncs the new ECM to your vehicle’s anti-theft system and can typically be done without special tools. Instructions are widely available online or in service manuals.
Guaranteed Compatibility & Fitment
This module is a direct replacement for a wide range of GM trucks, SUVs, and cars. Please verify your part number or match your vehicle in the list below. Providing us with your VIN at checkout is mandatory so we can ensure perfect programming and compatibility.
This ECM is a direct replacement for part numbers:
12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, 12669318
This part will fit these makes and models with these options:
- ✔ Cadillac ATS (2014-2016)
- ✔ Cadillac CTS (2014-2016)
- ✔ Cadillac Escalade / ESV (2015-2016)
- ✔ Cadillac XTS (2014-2016)
- ✔ Chevrolet Camaro (2016)
- ✔ Chevrolet Colorado (2015-2016)
- ✔ Chevrolet Corvette (2014-2016)
- ✔ Chevrolet Silverado 1500 (2014-2016)
- ✔ Chevrolet Suburban (2015-2016)
- ✔ Chevrolet Tahoe (2015-2016)
- ✔ GMC Canyon (2015-2016)
- ✔ GMC Sierra 1500 / Denali 1500 (2014-2016)
- ✔ GMC Yukon / Yukon XL (2015-2016)