Is Your Chevrolet Cruze Running Rough?
The Engine Control Module (ECM), often called the Powertrain Control Module (PCM), is the central computer of your 2012-2016 Chevrolet Cruze. It meticulously manages everything from fuel injector pulse width and ignition timing to transmission shift points and emissions control systems. When the ECM begins to fail, it can cause a cascade of confusing and frustrating problems, often leaving your vehicle unreliable, inefficient, or completely inoperable. If you’re dealing with persistent check engine lights, stalling, or poor performance, a faulty ECM is a likely culprit.
The Plug-and-Play Solution for Your 2012-2016 Cruze ECM
Replacing the ECM on modern vehicles isn’t as simple as swapping a part. The module is coded specifically to your car’s Vehicle Identification Number (VIN) and its unique set of options. This is where our service shines. We offer a direct replacement ECM, part number 12692200, that comes fully programmed to your specific VIN. We flash the unit with the latest, most stable software updates directly from GM. This means no expensive trip to the dealership for programming. You receive a component that is ready for installation right out of the box, designed to restore your vehicle’s original performance and reliability.
From the Diagnostic Bay
We had a 2014 Cruze come in with a classic no-start, no-communication issue. The owner had already replaced the battery and checked all the fuses. Another shop told him he needed a new ECM, quoting him over a thousand dollars. When we got it, we noticed the main ground wire from the ECM to the engine block was corroded and brittle. After cleaning the contact points and running a new ground strap, the car fired right up. The original ECM was fine. This is a crucial reminder: before condemning an expensive computer, always verify its power and ground connections. A 10-minute check can save you hundreds of dollars.
Common Symptoms of a Failing ECM
- ✔ Persistent Check Engine Light (CEL) that won’t clear or returns immediately.
- ✔ Engine stalling, stumbling, or hesitating during acceleration.
- ✔ Noticeable decrease in fuel economy.
- ✔ Rough or erratic idling.
- ✔ Complete no-start condition where the engine cranks but won’t fire.
- ✔ Communication errors when trying to use an OBD-II scan tool.
- ✔ Seemingly random warning lights on the dashboard.
- ✔ Harsh or incorrect automatic transmission shifting.
Guaranteed Compatibility and Simple Installation
This ECM is a direct replacement for a wide range of GM vehicles beyond the Cruze. It is compatible with multiple part numbers, including 12668866, 12668994, 12643636, 12663405, 12670335, and 22819494. While primarily for the 2012-2016 Cruze, it also fits models like the Sonic, Trax, Encore, Volt, and various GM trucks and vans. Please verify your part number or consult the fitment list to ensure compatibility.
Installation is straightforward for a DIY mechanic. After disconnecting the battery, simply unbolt the old module, disconnect the wiring harnesses, and install the new one. In most cases, a simple security relearn procedure is required, which typically involves turning the key to the ‘ON’ position for 10-15 minutes. This allows the vehicle’s anti-theft system to synchronize with the new ECM.
Frequently Asked Questions
Do I need to do any programming myself?
No. We handle all the programming before we ship the module. You just need to provide us with your vehicle’s 17-digit VIN during checkout. We will flash the ECM with the latest GM software specific to your car.
What is a security relearn procedure?
This is a simple process that syncs the new ECM with your vehicle’s anti-theft system. For most GM vehicles, it involves turning the ignition key to the ‘ON’ position for about 10-15 minutes. Instructions will be included with your part.
Will this fix my check engine light?
If the check engine light is caused by a faulty ECM, this replacement will resolve the issue. However, it’s crucial to ensure the underlying problem isn’t a bad sensor or wiring, as the new ECM will still report those faults.
Is this a new or used part?
This is a high-quality, tested, and verified replacement part. Each unit undergoes rigorous inspection and is programmed with certified GM software to ensure it meets or exceeds original equipment performance.
How do I find my vehicle’s VIN?
Your VIN can be found on your vehicle’s registration, insurance card, or on a small plate on the driver’s side of the dashboard, visible through the windshield.