Is your Chevrolet Volt or other GM vehicle suffering from perplexing electrical issues, a persistent check engine light, or a no-start condition? A faulty Engine Control Module (ECM) is often the culprit, acting as the vehicle’s brain and controlling everything from fuel mixture to transmission shifting. This isn’t just an inconvenience; it’s a critical failure that compromises your vehicle’s performance, efficiency, and reliability. Restore your vehicle’s operational integrity with this professionally programmed Engine Control Module, designed to be a direct, ready-to-install solution.
Common Symptoms & Your Solution
If you’re experiencing issues like poor fuel economy, engine stalling, shifting problems, or diagnostic trouble codes (DTCs) such as P0601, P0606, or communication errors (U-codes), your ECM is the most likely cause. This unit is the definitive fix, arriving at your door flashed with the latest official GM software updates and precisely calibrated to your vehicle’s unique Vehicle Identification Number (VIN). By choosing our programmed 2011-2015 Volt engine control module, you are not just replacing a part; you are restoring the central command system to better-than-new specifications.
- ✔ VIN-Specific Programming: We flash the module with your vehicle’s VIN before shipping, ensuring it communicates perfectly with your car’s existing systems for a true plug-and-play installation.
- ✔ Latest GM Software: Your ECM will be loaded with the most current software from General Motors, correcting original factory flaws and improving performance and fuel efficiency.
- ✔ Guaranteed Compatibility: This module is a direct replacement for multiple part numbers, including 12668866, 12668994, 12643636, and more, guaranteeing a perfect fit for your Cruze, Sonic, Trax, Silverado, or Volt.
- ✔ Eliminate Dealer Hassles: Skip the expensive dealership visit and the need for specialized programming tools. This solution is designed for a straightforward installation by you or your trusted mechanic.
- ✔ Purchase Protection: This unit is backed by our one-year replacement warranty.
Expert Insight: The Power of Proper Programming
As a technician with over two decades of experience, I’ve seen countless drivers waste time and money on generic, un-programmed modules. For a sophisticated vehicle like the Chevy Volt or a modern workhorse like the Silverado, the software is just as critical as the hardware. A generic module simply won’t work. Our process ensures the ECM is not just a compatible part, but the correct part, with software that speaks the exact digital language of your vehicle. This is the key to a lasting, reliable repair and restoring the precise performance you expect.
Getting your vehicle back to peak condition is simple. After you complete your purchase, just send us your VIN, and our technicians will handle the programming. We’ll then ship the ready-to-install programmed 2011-2015 Volt engine control module directly to you. This is the most efficient and reliable way to solve complex ECM-related problems and drive with confidence once again.
Frequently Asked Questions
Why do I need to provide my VIN?
Your vehicle’s VIN (Vehicle Identification Number) is essential for us to load the correct, vehicle-specific software and calibrations onto the module. This ensures the ECM works seamlessly with your engine, transmission, and other electronic systems without any additional programming required upon installation.
Is this a difficult part to install?
The physical installation is typically straightforward, involving disconnecting the battery, unplugging the electrical connectors, and unbolting the old module. Since our unit arrives pre-programmed, the most complex part of the job is already done. However, we always recommend installation by a qualified mechanic if you are not comfortable with automotive repair.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the original ECM, this part is the correct solution. It’s crucial to have your vehicle properly diagnosed to confirm the ECM is the point of failure. This module will resolve issues related to internal processor faults and software corruption.
What if my original part number is not 12670335?
This ECM is a direct replacement for a wide range of GM part numbers, including 12668866, 12668994, 12643636, 12663405, 22819494, and 12692200. Please check the fitment list on this page to confirm compatibility with your vehicle. If your number is listed, this module will work perfectly.
Do I need to do any security relearn procedure?
In some GM vehicles, a security relearn (often called a Passlock or anti-theft relearn) may be necessary after installation. This is a simple procedure that can typically be done without special tools and involves a sequence of key turns. Instructions are widely available online or in service manuals.