Is Your 2017 Traverse Running Rough? The ECM Might Be the Culprit.
The Engine Control Module (ECM), often called the engine computer, is the electronic brain of your 2017 Chevrolet Traverse. It controls everything from fuel injection and ignition timing to transmission shifting and emissions systems. When it starts to fail, it can cause a cascade of confusing and frustrating problems that can be difficult to diagnose. If your SUV is experiencing erratic behavior, poor performance, or won’t start at all, a faulty engine computer is a likely cause.
This isn’t just a replacement part; it’s a complete solution. We take the guesswork and high dealership costs out of the equation. This genuine GM ECM, part number 12667002, arrives at your door pre-programmed with the latest GM software updates, specifically flashed to your vehicle’s unique Vehicle Identification Number (VIN). This ensures a seamless installation and restores your vehicle’s factory performance and reliability.
Common Symptoms of a Failing 2017 Traverse ECM
A failing engine computer can manifest in numerous ways. If you’re noticing any of the following issues, it’s time to consider a replacement:
- ✔ Check Engine Light: The light is on, or it illuminates intermittently. You may have codes related to sensor circuits, processor failure (like P0606), or communication errors.
- ✔ Engine Stalling or Misfiring: The engine may stall for no apparent reason, either while driving or at idle. You might also experience rough idling or engine misfires.
- ✔ No-Start Condition: The engine cranks but refuses to start. This can happen if the ECM isn’t properly controlling the fuel or spark.
- ✔ Poor Fuel Economy: A sudden and unexplained drop in your vehicle’s MPG can be a sign the ECM is not managing the engine’s fuel mixture efficiently.
- ✔ Transmission Problems: The ECM works with the Transmission Control Module (TCM). A faulty ECM can cause harsh shifting, delayed engagement, or the transmission getting stuck in one gear.
- ✔ Performance Issues: You may notice a significant loss of power, poor acceleration, or general hesitation during driving.
The Plug-and-Play Advantage: VIN Programming Included
Replacing an ECM isn’t as simple as swapping out an air filter. Modern vehicles have sophisticated anti-theft systems and vehicle-specific parameters stored in the computer. Our service eliminates the need for an expensive trip to the dealership. Simply provide us with your VIN during checkout, and our technicians will flash this module with the correct software for your exact vehicle configuration. This ensures all systems communicate correctly and your keys are recognized by the security system after a simple relearn procedure.
Guaranteed Fitment for Your GM Vehicle
This Engine Control Module is a direct-fit replacement for several GM models and is compatible with the following part numbers:
- 12667002
- 12666070
- 12667189
It is guaranteed to fit the following vehicles:
- 2017 Chevrolet Caprice (3.6L)
- 2017 Chevrolet Traverse
- 2017-2019 Cadillac XTS (3.6L, VIN 3)
- 2017 GMC Acadia (Limited, VIN J)
- 2017 Buick Enclave
- 2017 Buick Regal
- 2017 Buick Verano
- 2017-2019 Chevrolet Impala
- 2017 Chevrolet Equinox
- 2017 GMC Terrain
Frequently Asked Questions
Do I need to get this ECM programmed?
No. This ECM comes pre-programmed to your vehicle’s VIN. Simply provide your VIN to us after purchase, and we will flash the module with the latest GM software before shipping it to you.
Where is the ECM located on a 2017 Traverse?
On the 2017 Chevrolet Traverse, the Engine Control Module is typically located behind the fan shroud in the engine bay, making it accessible for replacement.
What is a VIN and why do you need it?
The VIN is your 17-digit Vehicle Identification Number. It contains specific information about your vehicle’s make, model, engine, and factory options. We use it to load the exact software and calibrations your vehicle needs to run correctly.
What do I need to do after I install the new module?
After installation, you will likely need to perform a security relearn procedure, also known as a key relearn. This process syncs the new ECM with your vehicle’s anti-theft system and keys. It’s a simple procedure that can typically be done without special tools and takes about 30 minutes. Instructions are widely available online or in service manuals.
Is this a new or used part?
This is a high-quality, tested, and verified used OEM part. Each module is inspected to ensure it meets strict performance standards before being programmed and shipped. This provides OEM reliability at a fraction of the cost of a new unit from a dealer.