Is Your Impala Not Driving Like It Used To?
Is your dependable 2017-2020 Chevrolet Impala suddenly giving you trouble? A faulty Engine Control Module (ECM), the brain of your vehicle, can lead to a cascade of frustrating and confusing issues. You might be experiencing a persistent check engine light, unexplained stalling, poor acceleration, or a significant drop in fuel economy. These aren’t just annoyances; they’re signs that your car’s central command center is failing, compromising both performance and reliability. Don’t let a bad computer keep you off the road—we have the precise, ready-to-install solution you need.
Common Symptoms & Your Solution
A failing ECM can manifest in various ways. If you’re noticing any of the following, this pre-programmed module is your definitive fix:
- Check Engine Light: Particularly for codes related to internal processor errors (P0600-P0606) or communication faults (U-codes).
- Engine Stalling: The engine may cut out unexpectedly while driving or when coming to a stop.
- Rough Idle & Misfires: Inconsistent RPMs at idle or a feeling of the engine stumbling.
- No-Start Condition: The engine cranks but refuses to start, often due to a lack of spark or fuel injector signals from the ECM.
- Poor Fuel Economy: The engine may run inefficiently, consuming more fuel than usual.
- Transmission Issues: Hesitation or harsh shifting, as the ECM communicates directly with the transmission controller.
This module is a direct-fit replacement, specifically programmed to your vehicle’s unique Vehicle Identification Number (VIN). This critical step ensures that it communicates perfectly with all other modules in your car, restoring its original performance and efficiency. By ordering our 2017-2020 Impala ECM 12667002, you are bypassing the expensive and time-consuming trip to a dealership for programming.
Features & Tangible Benefits
- ✔ VIN-Programmed for Your Vehicle: We flash the unit with the latest GM software using your VIN. This means it arrives ready for a true plug-and-drive installation, saving you hundreds in dealer programming fees.
- ✔ Restores Peak Performance: A correctly functioning ECM ensures precise fuel delivery, ignition timing, and transmission shifting, bringing back the smooth and responsive driving experience you expect from your Impala.
- ✔ Direct-Fit Guaranteed: Engineered to match the original factory specifications for part numbers 12667002, 12666070, and 12667189, guaranteeing a perfect fit and seamless integration.
- ✔ Cost-Effective Repair: Get a reliable, high-quality solution without the steep markup of a dealership parts department. This is the smart, practical choice for getting your car fixed right.
- ✔ This unit is backed by our one-year replacement warranty.
An Expert’s Note on Installation: As a technician, I’ve seen countless drivers frustrated by complex electronic repairs. In the past, replacing an ECM meant towing your car to the dealer, waiting for days, and paying for diagnostics, the part, and hours of labor for programming. Our process changes everything. We handle the complex part—the programming—before it even ships. All you or your mechanic have to do is disconnect the battery, swap the module with basic hand tools, and reconnect the battery. It transforms a major repair into a manageable, straightforward job, putting you back in control.
Don’t let a faulty computer dictate your car’s reliability. Take the straightforward path to a lasting repair with this professionally programmed 2017-2020 Impala ECM 12667002 and get your vehicle running perfectly again.
Frequently Asked Questions
Do I need to do any additional programming after I receive it?
No. This ECM is shipped fully programmed to your vehicle’s VIN. It is ready to be installed right out of the box. In some cases, a security or CASE relearn procedure may be required, which can be done with a capable scan tool.
How do I provide you with my vehicle’s VIN?
After you place your order, you can add your VIN to the order notes section during checkout. If you forget, we will contact you via email to request it before we program and ship the unit.
Is this the correct ECM for my car?
This ECM is a confirmed fit for the 2017-2020 Chevrolet Impala and the other vehicles listed in the fitment guide. It is a direct replacement for part numbers 12667002, 12666070, and 12667189. Please check the part number on your original module to ensure a perfect match.
Will this fix my check engine light?
If the check engine light and performance issues are caused by a faulty ECM, this part will resolve those specific problems. However, if there are other failing sensors or mechanical issues with your vehicle, the check engine light may remain on for those separate faults.
What is required for installation?
Installation typically requires basic hand tools like a socket set to remove the module’s mounting bolts and disconnect the wiring harnesses. It is crucial to disconnect the vehicle’s battery before starting the installation to prevent any electrical damage.