Is Your C7 Corvette Not Performing Like It Should?
The Engine Control Module (ECM) is the electronic brain of your 2014-2016 Corvette. It manages everything from fuel mixture and ignition timing to transmission shifts and emissions controls. When it starts to fail, the symptoms can be frustrating and difficult to diagnose. You might be experiencing a persistent check engine light, poor fuel economy, rough idling, or even a no-start condition that leaves your high-performance machine sitting in the garage.
Over my 20+ years in the shop, I’ve seen how heat and vibration, the constant companions of a high-output engine, can degrade the sensitive electronics inside these modules. The ECM in the C7 Corvette is located in the passenger-side cowl area, a spot that can experience significant temperature swings, accelerating the wear on internal circuits and solder joints.
A Technician’s Real-World Story
“A customer’s 2015 Corvette came in last week with these exact symptoms. The car would randomly go into ‘limp mode,’ and the dash was lit up with multiple, seemingly unrelated trouble codes. After hours of chasing phantom sensor issues, we traced the root cause back to an intermittent failure within the ECM itself. The internal processor was failing under load, causing communication breakdowns across the vehicle’s network. Replacing the ECM with a properly programmed unit was the only way to restore the car’s reliability and performance.”
The Direct Solution: A VIN-Programmed ECM
Don’t let a faulty computer sideline your Corvette. This Engine Control Module, part number 12663391, is the definitive solution. We take the guesswork and hassle out of the repair by programming the module specifically for your vehicle before it ever leaves our facility. All you have to do is provide us with your Vehicle Identification Number (VIN) during checkout.
Why is VIN Programming So Important?
Modern vehicles like your Corvette have complex security systems and vehicle-specific options integrated into the ECM’s software. A generic, unprogrammed module simply will not work. Our process ensures a seamless installation:
- ✔ We load the latest, most stable software calibration directly from GM for your specific VIN.
- ✔ This process correctly configures the module for your engine, transmission, and factory options.
- ✔ It properly syncs with your vehicle’s anti-theft system, preventing a no-start condition after installation.
- ✔ You get a true plug-and-play solution, saving you from a costly trip to the dealership for programming.
Guaranteed Compatibility & Peace of Mind
This module is a direct replacement for a wide range of GM vehicles and supersedes several older part numbers. If your original module has any of the following numbers, this part is the correct replacement for you:
- ✔ 12692067
- ✔ 12676230
- ✔ 12656993
- ✔ 12662034
- ✔ 12672537
- ✔ 12673195
- ✔ 12663391
- ✔ 12672963
- ✔ 12669318
By ordering this pre-programmed ECM, you’re not just buying a part; you’re buying a complete solution that restores your vehicle’s factory function and performance. Get your Corvette back on the road and running perfectly. The installation is straightforward for a skilled DIYer or any professional technician. Simply locate the original module on the right-hand (passenger side) cowl area under the dash, disconnect the battery, swap the modules, and reconnect. Your Corvette will be back to life, running on the latest factory software.