Is Your Chevrolet Spark Running Rough?
If your 2013 Chevrolet Spark is experiencing frustrating issues like a persistent check engine light, erratic engine behavior, stalling, or a complete no-start condition, a failing Engine Control Module (ECM) is a very likely culprit. The ECM is the brain of your vehicle, responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it begins to fail, it can cause a cascade of problems that are often difficult to diagnose, leading to costly repair shop visits and unnecessary parts replacement.
Don’t let a faulty computer keep you off the road. This direct-fit Engine Control Module, part number 12679199, is the definitive solution to restore your vehicle’s performance, reliability, and efficiency. We take the guesswork and complexity out of the repair process by pre-programming this module specifically for your vehicle using your VIN. This means it arrives at your door ready for installation, loaded with the latest software updates from GM to ensure optimal operation.
From the Diagnostic Bay
We had a 2013 Chevy Spark come into the shop with a complaint of intermittent stalling at stoplights. The owner had already replaced the spark plugs and an O2 sensor, but the problem persisted. There were no hard fault codes, just a few communication errors stored in history. After hours of chasing wires, we hooked up a scope to the ECM’s main processor. We saw the voltage drop intermittently, confirming an internal failure in the module. We installed a VIN-programmed ECM, and the car ran perfectly. This simple component was the root of a very elusive and frustrating problem.
Symptoms of a Failing 2013 Spark Engine Control Module
A failing ECM can manifest in various ways. If you’re noticing any of the following symptoms, it’s time to consider a replacement. Ignoring these signs can lead to further damage to your vehicle’s engine or catalytic converter.
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel economy.
- ✔ Rough or erratic idling.
- ✔ Harsh or incorrect automatic transmission shifting.
- ✔ Vehicle entering ‘limp mode’ with reduced power.
- ✔ Complete no-start or no-crank condition where the engine won’t turn over.
- ✔ Communication error codes (U-codes) stored in the system.
The Plug-and-Play Solution
The biggest hurdle in replacing an ECM is the programming. Dealerships charge a premium for this service, and it requires specialized tools. Our process eliminates that step for you. When you purchase this module, simply provide us with your vehicle’s 17-digit VIN. Our technicians will flash the unit with the correct, factory-specified software and all the latest updates from General Motors. This ensures that when you receive the part, it is a true plug-and-play installation. No extra trips to the dealer, no expensive programming tools needed. Just install the module, perform any necessary key relearn procedure, and get your car back to factory-spec operation.
Guaranteed Compatibility
This module is a direct replacement for several original equipment part numbers, ensuring a perfect fit and function. It is compatible with the following part numbers:
- 12679199
- 12642927
- 12636386
- 12621466
- 12630789
This ECM is also specified for a range of GM vehicles. Please verify your vehicle is on this list:
- 2013 Chevrolet Spark
- 2011-2012 Chevrolet Cruze (1.8L)
- 2009-2011 Chevrolet Aveo
- 2012 Chevrolet Sonic (1.8L)
- 2013-2014 Chevrolet Trax (1.8L)
- 2009-2010 Pontiac G3
- 2009-2010 Pontiac Wave
Frequently Asked Questions
What does an ECM actually do?
The Engine Control Module (ECM) is your car’s main computer. It takes data from sensors all over the vehicle (like oxygen sensors, crank/cam sensors, and throttle position sensors) and uses that information to control the fuel injectors, ignition coils, and other actuators to make the engine run efficiently and cleanly.
Is this part difficult to install?
Physically, the ECM is usually accessible in the engine bay and held in by a few bolts and electrical connectors. The installation is straightforward for someone with basic mechanical skills. Since we pre-program it, you avoid the most difficult part of the job. You may need to perform a security or key relearn procedure, which can often be done without special tools.
Do I need to send my old ECM to you?
No, there is no core charge or need to send in your old part. This is a direct purchase.
How do I provide my VIN?
After you complete your purchase, you can send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot ship the part until we have this information, as the programming is specific to your exact vehicle.
What if my part number isn’t on the list but my car is?
Please contact us with your VIN before ordering. GM often uses many different part numbers for the same component. We can verify compatibility for you to ensure you receive the correct part for your vehicle.