Is Your Acadia Running Rough? Get Back on the Road with Confidence.
Is your 2017 GMC Acadia suffering from a persistent check engine light, erratic performance, or a frustrating no-start condition? A failing Engine Control Module (ECM) is often the hidden culprit, disrupting your family’s daily routine and causing unnecessary stress. This pre-programmed ECM is the reliable, direct-fit solution to restore your SUV’s performance and get you back on the road quickly and safely.
Common Symptoms & Your Solution
A faulty ECM can manifest in numerous ways, from subtle annoyances to critical failures. If you’re experiencing any of the following, this module is your definitive solution:
- Persistent Check Engine Light (CEL)
- Engine stalling, stumbling, or hesitating
- Poor fuel economy
- Complete no-start or intermittent starting issues
- Transmission shifting problems or communication errors
- Diagnostic Trouble Codes (DTCs) such as P0601, P0606, or other internal module faults
Don’t let a bad computer keep your vehicle sidelined. This professionally programmed 2017 Acadia ECM 12666070 is flashed with the latest GM software updates specific to your vehicle’s VIN, ensuring it works seamlessly with all other onboard systems right out of the box.
Features & Benefits
- ✔ Plug & Play Installation: Arrives pre-programmed to your specific VIN. No need for an expensive trip to the dealership for programming—simply install the unit, and you’re ready to go.
- ✔ Latest GM Software: We flash each module with the newest stable software from General Motors, ensuring optimal engine performance, fuel efficiency, and long-term reliability.
- ✔ Guaranteed Compatibility: A direct replacement for part numbers 12667002, 12666070, and 12667189, guaranteeing a perfect fit and function.
- ✔ Restored Drivability: Eliminate rough idling, hesitation, and poor fuel mileage by restoring your engine’s central computer to perfect working order.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty.
Expert Insight from the Garage
We often see vehicles like the Acadia come in with vague ‘communication error’ codes that can stump even experienced technicians. In many cases, the root cause is a failing processor within the original ECM. Simply swapping in a pre-programmed 2017 Acadia ECM 12666070 like this one is the fastest and most reliable repair. It eliminates guesswork and ensures the new ‘brain’ is running the most stable software from GM, which can even solve underlying issues you didn’t know were related to the old, failing computer.
Verified Vehicle Fitment
This computer is a confirmed fit for the following vehicles and options. Please ensure your vehicle is on this list before ordering.
- ACADIA 17 Electronic Control Module; VIN J ( 11th digit, Limited ), (behind fan shroud)
- CAPRICE 17 Electronic Control Module; 3.6L
- TRAVERSE 17 Electronic Control Module; (behind fan shroud)
- XTS 17-19 Electronic Control Module; (3.6L), VIN 3 ( 8th digit, opt LFX )
- ENCLAVE 17 Electronic Control Module; (behind fan shroud)
- REGAL 17 Electronic Control Module; (LH engine compartment)
- VERANO 17 Electronic Control Module
- IMPALA 17-19 Electronic Control Module
- EQUINOX 17 Electronic Control Module; (LH engine compartment)
- TERRAIN 17 Electronic Control Module; (LH engine compartment)
After your purchase, simply provide us with your vehicle’s VIN. We’ll handle all the programming, so your replacement 2017 Acadia ECM 12666070 is ready for installation upon arrival.
Frequently Asked Questions
Do I need to do any programming myself?
Absolutely not. This ECM arrives fully programmed to your vehicle’s specific VIN number. It is a true plug-and-play solution, designed to save you a trip to the dealership.
How do I provide my VIN?
After you complete your purchase, we will contact you for your VIN. You can also add your VIN to the ‘notes’ section during checkout to speed up the process.
Is this a brand new part?
This is a high-quality, genuine GM component that has been thoroughly tested and programmed with the latest vehicle-specific software to ensure it meets or exceeds original performance standards.
What if my original part number is different?
This module is a direct replacement for several part numbers, including 12667002, 12666070, and 12667189. As long as your vehicle is on the fitment list, this ECM will work perfectly.
What is required for installation?
Installation typically requires basic hand tools (like a socket set) to access and replace the module. The most important step is to disconnect the vehicle’s battery before starting the work to prevent any electrical damage.