Restore Peak Performance to Your Vehicle
Is your Chevrolet Spark, Cruze, or Sonic running rough, stalling unexpectedly, or displaying a persistent check engine light? These are common indicators of a failing Engine Control Module (ECM). The ECM is the central computer of your vehicle, responsible for managing everything from fuel injection and ignition timing to emissions control and transmission shifting. When it falters, the entire vehicle’s performance and reliability are compromised. This direct-fit replacement ECM, part number 12621466, is the definitive solution to restore your vehicle’s factory operation and get you back on the road with confidence.
From the Diagnostic Bay
We had a 2013 Chevy Spark come into the shop with a list of bizarre, intermittent problems. The owner complained of random stalling at stoplights, occasional hard starting, and a check engine light that would come and go. We checked the battery, alternator, and fuel pump—all were fine. Scans showed a handful of communication error codes that didn’t point to a single sensor. After hours of chasing electrical gremlins, we focused on the main computer. We swapped in a known-good, programmed ECM, and suddenly, all the issues vanished. The car ran smoothly, started instantly, and the codes cleared. It was a classic case of a failing 2013 Spark Engine Control Module causing system-wide confusion. A simple replacement brought the car back to life.
Symptoms of a Failing Engine Control Module
A faulty ECM can manifest in numerous ways, often mimicking other component failures. If you’re experiencing any of the following, your engine computer may be the culprit. This module is the correct solution for these common issues.
- ✔ Check Engine Light is illuminated or flashes intermittently.
- ✔ Vehicle fails to start or experiences hard starting conditions.
- ✔ Engine stalling, stumbling, or misfiring while driving.
- ✔ Noticeable decrease in fuel economy and overall engine performance.
- ✔ Poor or erratic automatic transmission shifting.
- ✔ Communication errors with diagnostic scan tools.
- ✔ Issues with other electronic systems, like cooling fans running constantly.
Why VIN Programming is Essential for Your 2013 Spark Engine Control Module
Modern vehicles are complex, and the ECM is tailored specifically to your car’s unique configuration, including its engine, transmission, and factory options. Simply installing a generic or used module will not work. Our process ensures a seamless, plug-and-play installation. When you provide your Vehicle Identification Number (VIN) during checkout, our technicians flash the module with the latest, most stable software updates directly from GM. This critical step ensures the ECM communicates perfectly with all other modules in your vehicle, eliminating compatibility issues and the need for expensive dealership programming. It arrives at your door ready for installation.
Guaranteed Compatibility
This Engine Control Module is a direct replacement for a range of GM vehicles and is compatible with multiple part numbers. Please verify your part number or vehicle fitment below.
Replaces Part Numbers: 12679199, 12642927, 12636386, 12621466, 12630789
Fits The Following Vehicles:
- 2011-2012 Chevrolet Cruze (1.8L)
- 2009-2011 Chevrolet Aveo
- 2013 Chevrolet Spark
- 2009-2010 Pontiac Wave / G3
- 2013-2014 Chevrolet Trax (1.8L)
- 2012 Chevrolet Sonic (1.8L)
Frequently Asked Questions
What is the VIN programming service?
VIN programming is the process of loading your vehicle’s specific software and settings onto the ECM. We use your VIN to flash the module with the correct GM factory software, ensuring it works perfectly with your car’s engine, transmission, and options right out of the box.
Do I need to have this module programmed by a dealer?
No. This ECM comes pre-programmed to your vehicle’s VIN. This means you can avoid the time and expense of a dealership visit. In most cases, it is a direct installation, though some vehicles may require a simple security relearn procedure that can be done without special tools.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit VIN. You can typically find this on your vehicle’s dashboard (visible through the windshield), on the driver’s side door jamb sticker, or on your vehicle’s registration and insurance documents.
Is this a new or used part?
This is a high-quality, fully tested replacement part that has been meticulously inspected and prepared to meet or exceed original equipment standards. It is programmed with the latest software to ensure optimal performance and longevity.
What if my part number is not listed but my vehicle is?
The listed part numbers are the most common interchanges. If your vehicle model and year are listed, this module is highly likely to be the correct fit. Providing your VIN ensures we program the correct software for your specific application.