Is Your GM Vehicle Running Poorly? It Could Be The ECM.
The Engine Control Module (ECM), often called the powertrain control module (PCM), is the central computer responsible for your vehicle’s engine performance, fuel efficiency, and emissions. When it begins to fail in vehicles like the 2011-2015 Chevrolet Volt, Cruze, or Sonic, it can cause a cascade of confusing and frustrating problems. From a persistent Check Engine Light to intermittent stalling or a complete no-start condition, a faulty ECM can bring your daily commute to a halt. This replacement Engine Control Module, part number 12692200, is the definitive solution to restore your vehicle’s factory performance and reliability.
From the Diagnostic Bay
We had a 2014 Chevy Cruze come in with a very erratic issue. The owner complained of random stalling at stoplights and occasional hesitation during acceleration. No consistent codes were stored, just a generic P0606 (Internal Control Module Processor Error) that would pop up now and then. After hours of checking wiring harnesses and sensors, we swapped in a known-good ECM. The car ran perfectly. The original module’s internal processor was failing intermittently under specific thermal conditions, a classic sign of ECM failure that can be a nightmare to diagnose without simply replacing the unit.
Common Symptoms of a Failing 2011-2015 Volt ECM
If you’re experiencing any of the following issues, a failing engine computer may be the culprit. This module is designed to correct these problems and get you back on the road with confidence.
- ✔ Persistent and illuminated Check Engine Light (CEL)
- ✔ Engine stalling, stumbling, or hesitating unexpectedly
- ✔ Noticeable decrease in fuel economy
- ✔ Rough or erratic engine idle
- ✔ Difficulty starting the engine or a no-start condition
- ✔ Transmission shifting problems or harsh shifts
- ✔ Failure to pass state emissions testing
- ✔ Unexplained loss of power during acceleration
A Plug-and-Play Solution Programmed for Your Vehicle
One of the biggest hurdles in replacing a modern ECM is the need for expensive, dealer-specific programming. We eliminate that step for you. When you purchase this module, we will flash it with the latest official GM software updates specifically matched to your vehicle’s unique Vehicle Identification Number (VIN). This ensures that all systems, including the immobilizer (anti-theft), fuel delivery, and transmission controls, function exactly as they did from the factory. Simply provide us with your VIN after purchase, and we’ll handle the complex programming before the part ever leaves our facility. This saves you time, money, and the hassle of a trip to the dealership.
This ECM is a direct-fit replacement for a wide range of General Motors vehicles, including the Chevrolet Volt, Cruze, Sonic, Trax, Spark, and various GMC/Buick models. It replaces multiple original part numbers, including 12668866, 12668994, 12643636, and more, ensuring broad compatibility. Please verify your part number and check the fitment list to confirm this is the correct component for your car or truck.
Frequently Asked Questions
Do I need to do any programming after I receive this ECM?
No. We program the module to your vehicle’s specific VIN before shipping. In most cases, it is a direct installation, though some vehicles may require a simple key relearn procedure or CASE relearn, which can be performed by many local shops or with a capable scan tool.
Where do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your 17-digit VIN. We cannot ship the module until we have this information to ensure correct programming.
Is this compatible with vehicles other than the Chevy Volt?
Yes, absolutely. This ECM, part number 12692200, fits a wide variety of GM vehicles including the Chevy Cruze, Sonic, Trax, Spark, Encore, and various Express/Savana vans and Silverado/Sierra trucks. Please review the detailed fitment list on this page to confirm compatibility with your specific year, make, and model.
What is the difference between an ECM and a PCM?
The terms are often used interchangeably. ECM stands for Engine Control Module, while PCM stands for Powertrain Control Module. In most modern vehicles, a single module (the PCM) controls both the engine and the transmission. This part serves that function.
Will this fix my Check Engine Light?
If the Check Engine Light is caused by a faulty ECM, then yes, this part will resolve the issue. However, it’s crucial to properly diagnose the vehicle first, as the light can be triggered by many other components like sensors or wiring issues. This module will fix codes related to internal processor failure (e.g., P0601-P0606).