2009-2012 Colorado Engine Control Module 12630464 Programmed to VIN

Is Your Colorado Running Rough? Get a Reliable, Programmed Solution.

If you’re dealing with a persistent check engine light, erratic engine behavior, poor fuel economy, or even a no-start condition in your 2009-2012 Chevy Colorado, a failing Engine Control Module (ECM) is a very likely culprit. As the central computer for your engine, its proper function is critical. Over my 20+ years of hands-on diagnostics, I’ve seen hundreds of these GM trucks come into the shop with symptoms that owners have chased for weeks. Often, the root cause traces back to a faulty ECM that’s no longer processing sensor data correctly.

This isn’t just a replacement part; it’s a complete, ready-to-install solution. We take a genuine, fully tested GM ECM and program it with the latest official software from General Motors, using the specific Vehicle Identification Number (VIN) from your truck. This crucial step ensures that the module communicates perfectly with your vehicle’s specific options and systems, restoring the performance and reliability you depend on.

Common Symptoms of a Failing Colorado ECM:

• ✔ Persistent Check Engine Light (CEL) with various codes
• ✔ Engine stalling or shutting off while driving
• ✔ Rough or unstable idle
• ✔ Noticeable decrease in fuel mileage
• ✔ Hesitation or stumbling during acceleration
• ✔ Transmission shifting issues or harsh shifts
• ✔ Complete no-start or intermittent starting problems

Why a VIN-Programmed Colorado Engine Control Module is the Smart Choice

Buying a used module from a junkyard or a generic part online often leads to more headaches. It will contain the programming from the donor vehicle, which will cause communication errors, security system lockouts (anti-theft), and a host of performance problems in your truck. Our service eliminates that entire ordeal. By providing your VIN at checkout, you receive a module that is truly plug-and-play. It’s flashed with the most current GM software available, which often includes fixes for drivability issues that were present in the original factory programming.

Plug-and-Play Installation: No Dealer Visit Required

1. Safety First: Disconnect the negative terminal from your vehicle’s battery and wait 10 minutes for the systems to discharge.
2. Locate the ECM: On the 2009-2012 Colorado/Canyon, the ECM is typically located on the passenger side of the engine bay, mounted to the firewall.
3. Disconnect Connectors: Carefully release the locking tabs and unplug the electrical connectors from the old module. Inspect them for any damage or corrosion.
4. Remove the Old Module: Unbolt the old ECM from its mounting bracket. It’s usually held by a few small bolts.
5. Install the New Module: Mount your new, pre-programmed ECM in place and securely tighten the bolts.
6. Reconnect Everything: Plug the electrical connectors firmly into the new module until they click into place. Reconnect your negative battery terminal.
7. Final Step: The vehicle may require a security relearn procedure, which is a simple process you can do in your driveway. Instructions are readily available online or we can provide guidance. This syncs the new ECM with your truck’s anti-theft system.

Guaranteed Compatibility & Interchange Information

This Engine Control Module is a direct replacement for several original equipment service numbers. If your current module has any of the following numbers printed on its label, this part is a compatible replacement:

Interchangeable Service Numbers: 12636659, 12639300, 1263605, 12628993, 12628911, 12625453, 12622175, 12630464, 12678512

While this listing focuses on the Colorado, this versatile ECM also fits a wide range of other GM vehicles. Please verify your vehicle, year, and engine in the list below to ensure perfect fitment: