Is Your Chevy Colorado Running Rough? Get a Reliable, Programmed Solution.
If you’re dealing with a persistent Check Engine Light, erratic engine behavior, stalling, or a no-start condition in your 2009-2012 Chevrolet Colorado, a failing Engine Control Module (ECM) is a very likely culprit. As the brain of your truck’s engine, when the ECM falters, it can cause a cascade of frustrating and difficult-to-diagnose issues. I’ve seen it countless times in my shop: owners spend hundreds on sensors and other parts, only to find the core problem was the computer all along.
From the Shop Floor: A Real-World Diagnosis
“A customer’s 2010 Colorado came in last week with a laundry list of problems: poor acceleration, terrible fuel mileage, and random stalling at stoplights. They had already replaced the throttle body and a couple of O2 sensors with no luck. After hooking up my pro-level scan tool, I noticed the fuel trim data was completely out of whack and communication with the module was intermittent. This pointed directly to an internal ECM failure. We installed one of our pre-programmed modules, and the truck ran like new. It’s a classic case where chasing symptoms instead of the root cause gets expensive fast.”
The Plug-and-Play Fix for Your 2009-2012 Colorado ECM
Stop the guesswork. This Engine Control Module is the definitive solution, arriving at your door fully programmed to your truck’s specific Vehicle Identification Number (VIN). We load the latest, most stable GM-approved software, ensuring your vehicle operates exactly as the manufacturer intended. This isn’t a generic, one-size-fits-all part; it’s a precise component matched to your vehicle’s factory specifications.
- โ VIN-Specific Programming Included: We flash the module with the newest GM software updates using your VIN before it ships.
- โ No Expensive Dealer Trip: This ECM is ready to install right out of the box. No additional programming or security relearn procedures are required.
- โ Restores Original Performance: Corrects common issues like rough idle, poor fuel economy, hesitation, and false sensor codes.
- โ Guaranteed Compatibility: This is a direct replacement for a wide range of GM vehicles, ensuring a perfect fit and function.
Simple, Straightforward Installation
You don’t need to be a master technician to get your Colorado back on the road. Follow these simple steps for a successful installation.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery before beginning any electrical work.
- Locate the ECM: On the 2009-2012 Colorado and Canyon, the ECM is typically located on the right-hand (passenger) side of the firewall in the engine bay.
- Disconnect the Harnesses: Carefully release the locking tabs on the electrical connectors and pull them straight out from the module. Never force them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket.
- Install the New Module: Bolt your new, pre-programmed ECM into place.
- Reconnect and Secure: Firmly plug the electrical harnesses into the new module until they click into place. Reconnect your battery terminal. Your installation is complete!
Part Number Compatibility
This module is a direct replacement for the following GM service numbers: 12636659, 12639300, 1263605, 12628993, 12628911, 12625453, 12622175, 12630464, and 12678512. Please provide your VIN upon checkout to ensure we send you a perfectly matched and programmed unit for your vehicle.