Restore Your Vehicle’s Performance and Reliability
Is your Chevrolet Captiva Sport, or another compatible GM vehicle, suffering from frustrating and unpredictable issues? A faulty Engine Control Module (ECM) can be the hidden cause of everything from a persistent check engine light and poor fuel economy to rough idling and even a no-start condition. This isn’t just an inconvenience; it’s a breakdown in the core communication of your vehicle. This replacement ECM is the definitive solution, arriving at your door fully programmed to your vehicle’s specific VIN, ensuring you can get back on the road with confidence and without a mandatory trip to the dealership.
Common Symptoms & Your Solution
If you’re experiencing any of the following, a failing ECM is the likely culprit. This module is engineered to resolve these exact problems:
- Check Engine Light (CEL) with communication-related Diagnostic Trouble Codes (DTCs) like P0601, P0606, or U-series codes.
- Engine stalling, misfiring, or running rough.
- Noticeable decrease in fuel efficiency.
- Transmission shifting erratically or harshly.
- Intermittent or complete failure to start the engine.
- Other warning lights on the instrument cluster appearing without reason.
By replacing your old unit with this pre-flashed module, you are installing a direct, reliable fix. We handle the complex programming, so you can handle the straightforward installation. This is the most efficient way to restore your vehicle’s brain to perfect working order.
Features & Benefits
- ✔ VIN-Specific Programming: We flash the module with the latest GM software updates using your vehicle’s VIN. This ensures perfect communication between the ECM and all other vehicle systems.
- ✔ Plug & Drive Installation: Because the programming is done before we ship, this unit is ready for installation right out of the box. No expensive dealer tools or additional programming fees are required.
- ✔ Guaranteed Compatibility: This module is a direct replacement for multiple part numbers, including 12642665, 12616889, 12630908, and more, covering a wide range of GM vehicles.
- ✔ Restored Engine Efficiency: A properly functioning ECM is critical for optimal fuel delivery, ignition timing, and emissions control, helping to restore lost MPG and engine power.
- ✔ Peace of Mind: This unit is backed by our one-year replacement warranty. Drive with the assurance that your purchase is protected.
Expert Insight: The Programming Pitfall You’ll Avoid
As a technician, one of the most common frustrations I’ve seen is a DIYer or even a new mechanic installing a used ECM from a salvage yard. They spend hours swapping the part, only to find the car won’t start or runs worse than before. Why? Because the module is still programmed to the donor car’s VIN and options. It causes a communication meltdown. Our service completely eliminates that costly and time-consuming mistake. We’re not just sending you a part; we’re sending you a fully integrated solution that’s tailored to your exact vehicle before it even leaves our facility.
Frequently Asked Questions
How do I provide my VIN for programming?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). We will provide clear instructions on how to do this. We cannot ship your part until we receive this information, as the programming is essential.
Will I need to do any additional programming after installation?
In most cases, no additional programming is required. This ECM is designed to be a plug-and-drive solution. However, some vehicles may require a simple security relearn procedure (like the key cycle method), which can be done without any special tools. Instructions can typically be found in your owner’s manual or online.
Is this a new or used part?
This is a quality, inspected, and tested used OEM part. Each unit is verified to be fully functional before being programmed with the latest software for your specific vehicle.
My original ECM has a different part number. Will this work?
Yes, this ECM is a direct replacement for a range of GM part numbers, including 12616889, 12630908, 12637106, 12650256, and 12651993. As long as your vehicle is listed in the compatibility chart, this module will function correctly once programmed to your VIN.
What is the typical cause of ECM failure?
ECM failure can be caused by several factors, including voltage overloads from jump-starts or bad alternators, internal circuit board corrosion from moisture, or simply degradation of electronic components over time and heat cycles.