Restore Your Vehicle’s Performance and Reliability
Is your GM vehicle suffering from a persistent check engine light, erratic performance, or a frustrating no-start condition? A failing Engine Control Module (ECM) is often the culprit, disrupting communication between critical systems and leaving you stranded. This isn’t just an inconvenience; it’s a serious issue that affects your vehicle’s safety and drivability. Put an end to the guesswork and expensive dealership visits with our fully programmed engine computer solution.
Common Failure Symptoms & Your Direct Solution
If you’re experiencing any of the following, a faulty ECM is the likely cause. This module is the direct, reliable fix for these issues:
- Persistent Check Engine Light (CEL) with no clear mechanical cause
- Diagnostic Trouble Codes (DTCs) like P0601, P0602, P0606, or other internal processor errors
- Poor fuel economy and engine performance
- Engine stalling, sputtering, or misfiring
- Transmission shifting problems
- Failure to communicate with diagnostic scan tools
- Complete no-start condition where the engine cranks but won’t fire
This programmed 12644446 ECM is your definitive solution. We take a high-quality, used OEM computer and flash it with the very latest official GM software, specifically matched to your vehicle’s unique VIN. This ensures all systems—from the engine and transmission to the anti-theft and emissions controls—function exactly as the manufacturer intended.
Features & Benefits
- ✔ VIN-Programmed for You: No need for an expensive trip to the dealer. We flash the module with your vehicle’s VIN, so it’s ready for a straightforward installation right out of the box.
- ✔ Updated GM Software: Your ECM arrives with the newest software updates from General Motors, often correcting factory bugs and improving performance and efficiency.
- ✔ Cost-Effective Repair: Get dealership-level programming and a reliable part for a fraction of the cost of a new unit.
- ✔ Broad Compatibility: This versatile programmed 12644446 ECM is a direct replacement for a wide range of popular GM models, including the Buick Regal, Chevy Malibu, Cadillac XTS, and many more.
- ✔ Peace of Mind Included: This unit is backed by our one-year replacement warranty.
Expert Insight: The Critical Role of VIN Programming
Many people don’t realize that a modern ECM is more than just a part; it’s the central command center of your vehicle. Simply swapping a used module without proper programming will almost always result in a no-start condition due to the vehicle’s anti-theft system. Our VIN-flashing service pre-empts this entire problem. By writing your car’s specific identity into the module beforehand, we ensure it’s immediately recognized by the other computers on board. This saves you hundreds of dollars in dealer programming fees and the immense frustration of a failed repair.
Stop letting a faulty computer control your driving experience. By ordering this programmed 12644446 ECM, you are choosing a reliable, intelligent, and affordable path to getting your vehicle back on the road and running smoothly. The process is simple: place your order, provide us with your VIN, and we’ll ship a module that’s ready to restore your car’s proper function.
Frequently Asked Questions
What do I need to do after I purchase?
After you complete your purchase, you must send us your vehicle’s 17-digit VIN (Vehicle Identification Number). We cannot program and ship the ECM without it. You can typically add this as a note during checkout or send it to us in a message referencing your order number.
Is any additional programming required after installation?
In most cases, our VIN programming makes the unit ready for immediate use. However, some vehicles may require a simple, key-on/key-off security relearn procedure that you can do yourself in your driveway. We can provide instructions for this common procedure if needed.
Is this a new part?
No, this is a thoroughly inspected and tested used OEM part that has been sourced from a salvaged vehicle. This allows us to provide a reliable, factory-grade component at an accessible price point.
Where can I find my VIN?
Your VIN is located in several places: on a metal plate on the driver’s side of the dashboard (visible through the windshield), on the driver’s side door jamb sticker, and on your vehicle’s registration and insurance documents.
How do I know this will fix my car’s problem?
This ECM is guaranteed to fix problems directly caused by a faulty engine computer. It is crucial that your vehicle has been properly diagnosed. This part will not solve issues related to other failed components, such as bad sensors or wiring problems.
What is the fitment for this part?
This ECM fits a very wide range of GM vehicles from approximately 2013-2017. Please see the detailed fitment list on this page to confirm it is correct for your specific year, make, model, and engine option. Providing your VIN is the best way to ensure perfect compatibility.