Restore Your Corvette’s Heartbeat with a Precision-Programmed ECM
As a technician with over two decades of experience under the hood, I’ve seen firsthand the frustration a faulty Engine Control Module (ECM) can cause. For a high-performance machine like a 2014-2016 Corvette, a failing ECM isn’t just an inconvenience—it’s a critical issue that robs your vehicle of its power, reliability, and responsiveness. If you’re dealing with a persistent check engine light, erratic engine behavior, or a no-start condition, you’ve come to the right place for a reliable, straightforward solution.
This isn’t just a replacement part; it’s a complete fix. We are providing a genuine GM Engine Control Module, part number 12672537, that comes fully programmed to your Corvette’s specific Vehicle Identification Number (VIN). We load it with the latest, most stable software updates directly from General Motors. This means you can skip the expensive trip to the dealership for programming. The module arrives at your door ready for installation, saving you significant time, money, and hassle. Getting your C7 Corvette back to peak operating condition has never been easier.
Case Study: A Tricky Diagnosis
I remember a 2015 Corvette that came into the shop with a maddeningly intermittent no-start problem. The owner had already replaced the battery and starter. Scans showed no consistent codes, just occasional U0100 (Lost Communication with ECM) errors. After checking all the wiring for the fifth time, I noticed the issue only happened after the car had been driven and sat for about 30 minutes. On a hunch, I used a heat gun on the original ECM. Sure enough, once it got warm, the engine would crank but not start. The internal processors were failing under thermal stress—a classic sign of ECM failure. We installed a VIN-programmed module just like this one, and the car has run flawlessly ever since. This simple swap solved a problem that had stumped others for weeks.
Is Your Corvette’s Brain on the Fritz?
A failing ECM can manifest in numerous ways, from subtle performance dips to catastrophic failure. Here are the common red flags I look for during diagnostics:
- ✔ Check Engine Light is illuminated with no obvious cause.
- ✔ Stalling, rough idling, or hesitation during acceleration.
- ✔ A noticeable decrease in fuel economy.
- ✔ The engine cranks but refuses to start.
- ✔ Diagnostic trouble codes (DTCs) related to internal module failure, such as P0601, P0606, or P060A.
- ✔ Communication errors with other modules on the vehicle (U-codes).
- ✔ Transmission shifting problems or erratic behavior.
A Straightforward Guide to Installation
For the C7 Corvette, the ECM is located inside the vehicle on the right-hand side, under the cowl and dashboard area. While professional installation is always recommended, a skilled DIYer can perform this replacement. Follow these general steps:
- Safety First: Disconnect the negative terminal from your vehicle’s battery and wait at least 15 minutes for all systems to power down completely.
- Access the Module: You will need to remove interior trim panels on the passenger side footwell and cowl area to gain access to the ECM. Consult a service manual for the specific panel removal sequence for your Corvette.
- Disconnect and Remove: Carefully unplug the electrical connectors from the old ECM. They have locking tabs that must be released. Once disconnected, unbolt the module from its mounting bracket.
- Install the New ECM: Mount the new, pre-programmed module in the same location and securely fasten it. Reconnect the electrical connectors, ensuring they click firmly into place.
- Perform Security Relearn: Reconnect the battery. You will likely need to perform a Security/Theft Deterrent System relearn procedure. This typically involves turning the key to the ‘ON’ position for 10-15 minutes, then ‘OFF’, and repeating two more times. This allows the new ECM to sync with your vehicle’s anti-theft system.
- Final Check: Start the engine and let it run. Check for any warning lights and take the vehicle for a test drive to confirm that all issues have been resolved.
Guaranteed Fitment for Your GM Vehicle
While this is a direct-fit part for the 2014-2016 Corvette, this versatile ECM is also compatible with a wide range of other GM cars, trucks, and SUVs. Please verify your vehicle and part number from the list below. This module is a direct replacement for part numbers: 12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, and 12669318.
- ✔ Cadillac ATS: 2014-2016 (3.6L)
- ✔ Cadillac CTS: 2014-2016 (3.6L & 6.2L)
- ✔ Cadillac Escalade / ESV: 2015-2016
- ✔ Cadillac XTS: 2014-2016 (3.6L)
- ✔ Chevrolet Camaro: 2016 (6.2L)
- ✔ Chevrolet Colorado: 2015-2016 (3.6L)
- ✔ Chevrolet Corvette: 2014-2016
- ✔ Chevrolet Silverado 1500: 2014-2016
- ✔ Chevrolet Suburban 1500: 2015-2016
- ✔ Chevrolet Tahoe: 2015-2016
- ✔ GMC Canyon: 2015-2016 (3.6L)
- ✔ GMC Sierra 1500 / Denali 1500: 2014-2016
- ✔ GMC Yukon / XL 1500: 2015-2016
Do I need to have this module programmed?
Do I need to have this module programmed?
No. The main benefit of our service is that this 2014-2016 Corvette ECM arrives at your door pre-programmed with the latest GM software. All we need is your vehicle’s VIN at checkout. This allows you to skip a costly and time-consuming trip to the dealership.
Will I need to perform any other procedures after installation?
Yes, in most cases you will need to perform a security relearn procedure to sync the new ECM with your car’s anti-theft system. This is a simple process that typically does not require special tools and can be found in your owner’s manual or online.
Where is the ECM located on my C7 Corvette?
On the 2014-2016 Chevrolet Corvette, the Engine Control Module is located inside the cabin, on the passenger side, underneath the cowl/dashboard area. Access requires removing some interior trim panels.
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). You can typically add it as a note during checkout or send it to us in a message referencing your order number. We cannot ship the module until we have your VIN.
Is this a reliable, long-term fix?
Absolutely. We use high-quality, tested modules and flash them with official GM software. This restores the factory functionality and reliability, addressing the root cause of many common electronic and drivability issues for a lasting repair.