Is Your 2012 Impala Running Rough? The ECM Might Be the Culprit.
A failing Engine Control Module (ECM) can be the source of some of the most frustrating and difficult-to-diagnose issues in your 2012 Chevrolet Impala. As the central computer of your vehicle, the ECM is responsible for managing everything from fuel injection and ignition timing to transmission shifting and emissions control. When it starts to fail, it can create a cascade of problems that can leave you stranded or facing a costly repair bill at the dealership. This module is the direct, reliable solution you need to get your car back on the road with confidence.
Common Symptoms of a Failing 2012 Impala Engine Control Module
If you’re experiencing any of the following issues, a faulty ECM is a likely cause. This replacement module is designed to resolve these problems and restore your vehicle’s factory performance and reliability.
- ✔ Check Engine Light is on with various, often inconsistent, trouble codes.
- ✔ Engine misfires, stumbling, or stalling unexpectedly.
- ✔ Poor fuel economy that has noticeably decreased over time.
- ✔ The engine cranks but refuses to start (no-start condition).
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Loss of power and sluggish acceleration.
- ✔ Communication errors with diagnostic scan tools.
The Plug-and-Play Solution: Programmed to Your VIN
One of the biggest hurdles in replacing a modern ECM is the need for expensive programming at a dealership. We eliminate that step entirely. When you purchase this module, we will flash it with the latest official GM software updates specifically for your vehicle’s Vehicle Identification Number (VIN). This ensures that all parameters, from the engine and transmission calibration to the anti-theft system, are perfectly matched to your car’s original specifications. The result is a true plug-and-play installation. In most cases, you simply install the module and are ready to drive, saving you time, money, and the hassle of a trip to the dealer.
Guaranteed Compatibility and Fitment
This Engine Control Module, part number 12637106, is a direct replacement for a wide range of General Motors vehicles. It is interchangeable with several other part numbers, including 12616889, 12630908, 12642665, 12650256, and 12651993. While it is a perfect fit for the 2012 Chevrolet Impala, it also fits models like the Cadillac CTS, Chevrolet Camaro, Buick LaCrosse, and more. To ensure a perfect match, please provide your VIN upon checkout. This allows us to verify fitment and apply the correct programming for your specific vehicle configuration.
Frequently Asked Questions
Why do you need my VIN?
Your Vehicle Identification Number (VIN) is essential for us to load the correct, vehicle-specific software from GM onto the module. This ensures perfect compatibility with your engine, transmission, and other onboard systems, making the installation process seamless.
Is this a plug-and-play part?
Yes, because we program the module to your VIN before shipping, it is designed to be a plug-and-play solution. In some cases, a simple security relearn procedure, which can be done without special tools, may be required. We can provide instructions for this.
Will this fix my check engine light?
If the check engine light and associated codes are being caused by a faulty ECM, this replacement module will resolve the issue. It’s crucial to ensure that the underlying problem isn’t a separate sensor or wiring issue.
How do I find my original part number?
The part number is printed on a sticker on your original ECM. For a 2012 Impala, it is typically located on the air cleaner bracket. You can match it to 12637106 or any of the other compatible numbers listed.
Do I need to send my old module back?
No core charge or return is required for this part. You can keep or responsibly dispose of your old module.