Restore Your Vehicle’s Performance and Reliability
Is your GMC Acadia, Chevy Traverse, or Buick Enclave suffering from frustrating and unpredictable engine problems? A faulty Engine Control Module (ECM) can cause everything from a persistent check engine light and poor fuel economy to stalling or a complete no-start condition. This isn’t just an inconvenience; it’s a matter of reliability for your family’s vehicle. Get back on the road with confidence with this professionally programmed engine computer, designed to restore your vehicle’s factory performance and dependability.
Common Symptoms & Your Solution
If you’re experiencing any of the following issues, a failing ECM is the likely culprit. This module is the definitive solution for:
- Erratic engine performance, stumbling, or misfires
- Vehicle stalling unexpectedly or refusing to start
- Drastically reduced fuel efficiency
- Check Engine Light (CEL) with communication error codes (like P0601, P0606)
- Transmission shifting problems or harshness
- Issues with other electronic systems tied to the engine computer
By replacing your old unit with this fully tested and correctly configured programmed 2009 GMC Acadia ECM, you are directly addressing the root cause of these problems, not just masking symptoms.
Features & Tangible Benefits
- โ VIN-Specific Programming: We flash the module with the latest GM software updates using your vehicle’s unique VIN. This ensures perfect communication between all vehicle systems, just like the original part.
- โ True Plug-and-Play Installation: Because it arrives programmed, you can skip the expensive trip to the dealership. No further flashing or dealer tools are required for installation.
- โ Guaranteed Compatibility: This unit is a direct replacement for part numbers 12623325, 12628387, 12605672, 12630594, and 19300016, ensuring a perfect fit and function for your vehicle.
- โ Restored Engine Efficiency: With correct fuel, spark, and transmission parameters restored, you’ll notice a smoother idle, better acceleration, and optimized fuel economy.
- โ Peace of Mind Protection: This unit is backed by our one-year replacement warranty. Drive with the confidence that your purchase is protected.
Expert Insight: The Critical Role of VIN Programming
Many people are tempted to buy a used ECM from a salvage yard to save money, but this is often a critical mistake. An ECM from another vehicle, even an identical model, contains the specific programming and security information for that original car. Installing it in your vehicle will almost always result in a no-start condition and a host of communication errors. Our process of programming this programmed 2009 GMC Acadia ECM with your specific VIN ensures it works seamlessly with your engine, transmission, anti-theft system, and other modules right out of the box. Itโs the key to a successful and lasting repair.
Frequently Asked Questions
How do I provide my VIN number?
After you complete your purchase, simply send us a message with your 17-digit Vehicle Identification Number (VIN). We cannot program and ship the module without it. You can find your VIN on your vehicle’s dashboard (visible through the windshield) or on your registration and insurance documents.
Is any additional programming required after I install it?
No. This module is a true plug-and-play solution. Because we flash it with your vehicle’s VIN and the latest software before shipping, no further dealer-level programming is needed. In some cases, a simple security or CASE relearn procedure may be required, which can be done with many common scan tools.
Will this fix my specific check engine light codes?
This ECM is the direct solution for internal module failure codes like P0601 (Internal Control Module Memory Check Sum Error) and P0606 (ECM/PCM Processor Fault). While it can resolve many other performance-related codes, it’s crucial to ensure your vehicle’s underlying mechanical and electrical issues have been properly diagnosed and repaired first.
Where is this part located on my vehicle?
For the 2009 Acadia, Traverse, Outlook, and Enclave, the ECM is typically located behind the fan shroud in the engine compartment. For the Cadillac CTS and STS models, it is usually found in the right-hand (passenger side) front of the engine compartment. Please verify the location on your specific vehicle before ordering.
How can I be sure this is the right part for my car?
Please use the detailed fitment list provided in this listing. Match your vehicle’s make, model, year, and engine size. The most reliable method is to cross-reference the part number on your existing module with the compatible numbers listed here: 12623325, 12628387, 12605672, 12630594, or 19300016.