Is Your Chevrolet Trax Running Erratically?
If you’re dealing with a persistent Check Engine Light, sudden stalling, poor fuel mileage, or a frustrating no-start condition in your 2013-2016 Chevy Trax, the problem often points directly to a failing Engine Control Module (ECM). As the ‘brain’ of your vehicle, the ECM is responsible for managing everything from fuel mixture and ignition timing to transmission shifting. When it fails, it can cause a wide range of confusing and debilitating symptoms.
Over my 20+ years in the garage, I’ve seen countless vehicles, especially those with compact, high-output engines like the 1.4L Turbo, suffer from ECM failure. A customer’s 2015 Trax came in last week with these exact symptoms: it would start and run for a few minutes, then die abruptly and refuse to restart for an hour. The scan tool showed multiple communication loss codes. After verifying the power and ground circuits to the module were solid, we confirmed an internal fault in the original ECM. This is a scenario we see time and time again.
The Direct-Fit, No-Hassle Solution
This isn’t just a replacement part; it’s a complete solution. We take a quality, tested ECM and program it specifically for your vehicle using your VIN. This means it arrives at your door loaded with the latest, most stable factory software from GM. You get the benefit of any performance and reliability improvements without ever stepping foot in a dealership.
Symptoms of a Failing 2013-2016 Trax ECM:
- โ Persistent Check Engine Light (CEL)
- โ Unexplained error codes, especially U-codes (communication loss)
- โ Engine stalling, stumbling, or hesitating
- โ Complete no-start condition
- โ Noticeable decrease in fuel economy
- โ Harsh or erratic automatic transmission shifting
- โ Failure to pass emissions testing
Expert Pro Tip: Before plugging in your new ECM, take a moment to inspect the harness connectors for any signs of corrosion, moisture, or bent pins. On the Trax, these connectors are exposed to the elements. A poor connection can mimic a bad module and cause immediate issues. A quick spray with electronics cleaner and a gentle check with a pick can save you hours of frustration.
Plug-and-Play Installation: No Dealer Visit Required
We handle the complex programming so you can perform the installation yourself or have your local mechanic do it without needing specialized GM tools. The process is straightforward:
- Safety First: Disconnect the negative terminal from your vehicle’s battery.
- Locate the ECM: On the Chevy Trax, the ECM is typically located in the engine bay, mounted near the battery or on the firewall.
- Disconnect: Carefully unclip and remove the electrical connectors from the old module.
- Unbolt: Remove the bolts or nuts securing the old ECM and take it out.
- Install New Module: Mount the new, pre-programmed ECM in the same location.
- Reconnect: Securely plug the electrical connectors into the new module. You should hear a ‘click’ as they lock in place.
- Power Up: Reconnect the negative battery terminal.
- Key Cycle: In most cases, you will need to perform a simple security relearn. Simply turn the key to the ‘ON’ position for 10-15 minutes, then turn it off, and then start the vehicle. This allows the other modules to recognize the new ECM.
Guaranteed Compatibility
This ECM, part number 12692200, is a direct replacement for a wide range of GM vehicles and supersedes multiple older part numbers, including 12668866, 12668994, 12643636, and more. While this listing is focused on the Chevy Trax, it is also the correct module for many Chevrolet Cruze, Sonic, Volt, Spark, Silverado, and Express models, as well as Buick Encore and GMC Sierra vehicles. By providing your VIN, you guarantee we send you a module programmed for your exact make, model, and options.