Is Your Corvette Running Rough or Not Starting At All?
If you’re dealing with a check engine light that won’t go away, intermittent stalling, or a complete no-start condition in your 2014-2016 C7 Corvette, the Engine Control Module (ECM) is a very likely culprit. As a technician with over two decades of experience under the hood, I’ve seen how a failing ECM can turn a high-performance machine into a driveway ornament. It’s the brain of your engine, and when it starts to malfunction, it creates a cascade of frustrating and hard-to-diagnose problems.
From the Shop Floor: A Real-World Scenario
“A customer’s 2015 Corvette came in last week with these exact symptoms. The dash was lit up, it had a rough idle, and the owner was worried about a major engine failure. After hooking up my scan tool, I pulled several communication and processor fault codes, including the dreaded P0606 (ECM Processor Fault). We checked all the power and ground circuits to the moduleโthey were perfect. The issue was internal to the ECM itself, a common failure point I’ve diagnosed hundreds of times on these modern GM platforms.”
The Right Solution: A Pre-Programmed ECM
Replacing the ECM isn’t just about swapping a box. A new module from the dealer is just a blank slate; it requires special tools and a subscription to GM’s software to be programmed to your car’s specific Vehicle Identification Number (VIN). This process can be costly and requires a trip to the dealership. Our solution eliminates that entire headache.
This is a genuine GM Engine Control Module that we program for you before it ever leaves our facility. Hereโs what that means for you:
- โ Provide Your VIN: After you place your order, simply send us your vehicle’s 17-digit VIN.
- โ We Handle the Programming: Our technicians will flash the module with the absolute latest, most stable software release from General Motors for your specific vehicle.
- โ Ready for Installation: The ECM arrives at your door ready to be installed. No extra programming or flashing is required.
Common Symptoms of a Failing Corvette ECM
A faulty engine computer can manifest in numerous ways. If you’re experiencing any of the following, it’s time to consider the ECM as the source of the problem:
- โ Persistent Check Engine Light (CEL)
- โ “Reduced Engine Power” message on the driver information center
- โ Unexplained stalling or engine hesitation
- โ Complete no-start condition where the engine cranks but won’t fire
- โ Poor fuel economy and rough running
- โ Communication-related Diagnostic Trouble Codes (DTCs)
- โ Misfire codes even after replacing plugs and coils
Installation and Post-Install Procedure
For the 2014-2016 Corvette, the ECM is located under the passenger side of the dashboard, near the cowl area. While the physical swap is straightforward, please be aware that after installation, you will likely need to perform a security relearn procedure (often called a Pass-Key or anti-theft relearn). This procedure pairs the new ECM to your vehicle’s security system and can typically be done without special tools. Instructions are widely available online or in service manuals.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and supersedes several older part numbers, ensuring you get the most current hardware and software combination available. It is compatible with the following part numbers and vehicles:
Interchangeable Part Numbers: 12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, 12669318
Vehicle Fitment Includes:
- โ 2014-2016 Corvette: (RH cowl under dash)
- โ 2016 Camaro: 6.2L
- โ 2014-2016 Cadillac ATS / CTS / XTS: (Various engines)
- โ 2014-2016 Silverado & Sierra 1500: (LH front engine compartment)
- โ 2015-2016 Tahoe, Suburban, Yukon, Escalade: (LH front engine compartment)
- โ 2015-2016 Colorado & Canyon: 3.6L (RH firewall)
Please verify your part number or contact us with your VIN to confirm fitment before ordering. Get your vehicle back on the road with confidence by installing a reliable, professionally programmed ECM.