Is Your Corvette’s Engine Acting Up? Get a Reliable, Programmed Solution.
As a technician with over two decades of experience under the hood, I’ve seen firsthand the frustration a failing Engine Control Module (ECM) can cause. For a high-performance machine like a 2014-2016 Corvette, an erratic ECM isn’t just an annoyance—it’s a critical failure that can leave you stranded. If you’re dealing with a sudden no-start condition, intermittent stalling, a persistent check engine light with a host of confusing codes, or poor engine performance, the problem often points directly to the vehicle’s computer.
The ECM is the brain of your Corvette’s engine, precisely managing everything from fuel injection and ignition timing to emissions controls and communication with other vehicle systems. When it fails, the symptoms can be unpredictable and difficult to diagnose without the right experience.
Common Symptoms of a Failing GM ECM:
- ✔ Check Engine Light (CEL) with communication codes (U-codes) or internal processor codes (P0600-P0606).
- ✔ Engine cranks but refuses to start.
- ✔ Intermittent stalling, especially after the engine has warmed up.
- ✔ Noticeable loss of power and poor fuel economy.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Communication issues with diagnostic scan tools.
Expert Pro Tip: Check the Basics First!
Before you condemn your ECM, I always tell my customers to perform a few simple checks. In my shop, I’ve seen countless cases where a simple issue mimicked a major computer failure. First, ensure your battery is fully charged and the terminals are clean and tight. A weak battery can cause a cascade of electrical gremlins in modern vehicles. Second, inspect the main power and ground wires leading to the ECM. On the C7 Corvette, the ECM is located under the dash on the right-hand (passenger) side cowl area. Check for any corrosion on the connectors or damage to the wiring harness. These simple steps can save you hundreds of dollars and confirm the ECM is truly the culprit.
The Hassle-Free Solution: A VIN-Programmed ECM
Replacing an ECM used to mean buying the part, installing it, and then having your car towed to a dealership for expensive programming. This process costs you time and money. We’ve eliminated that step. This ECM, part number 12672963, arrives at your door fully programmed to your Corvette’s specific Vehicle Identification Number (VIN). We load the latest, most stable software updates from GM, ensuring optimal performance and compatibility right out of the box.
This programming is essential. It syncs the new ECM with your car’s immobilizer (theft-deterrent system), Body Control Module (BCM), and other critical electronic components. Without it, the car simply will not start.
Guaranteed Compatibility and Wide-Ranging Fitment
This single module is a direct replacement for a wide range of original GM part numbers, making it a versatile solution for many vehicles in the GM family. If your original module has any of the following part numbers, this is the correct replacement for you:
- ✔ 12692067
- ✔ 12676230
- ✔ 12656993
- ✔ 12662034
- ✔ 12672537
- ✔ 12673195
- ✔ 12663391
- ✔ 12672963
- ✔ 12669318
While this listing is focused on the 2014-2016 Corvette, this ECM also fits a variety of other GM models, including the Silverado, Sierra, Camaro, CTS, and Escalade. By providing your VIN, you guarantee that we will ship a module with the correct software for your exact vehicle configuration.
Simple Installation Process
Once you receive your pre-programmed module, the physical installation is straightforward for a DIYer with basic tools.
- 1. Disconnect the negative battery terminal.
- 2. Locate the ECM on the passenger side, under the cowl/dash area.
- 3. Carefully disconnect the electrical connectors and remove the mounting bolts.
- 4. Install the new module, reconnect the connectors, and secure the bolts.
- 5. Reconnect the battery.
In some cases, a simple security relearn procedure may be required after installation, which typically involves turning the key to the ‘ON’ position for 10-15 minutes. We provide simple instructions for this. No special tools are needed. Order today and restore your vehicle’s performance and reliability with confidence.