Is Your GM Truck or Car Running Rough?
If you’re dealing with a persistent check engine light, unexplained stalling, poor fuel mileage, or erratic engine behavior in your 2015-2016 Chevrolet Colorado, GMC Canyon, or other compatible GM vehicle, a failing Engine Control Module (ECM) is a likely culprit. The ECM is the brain of your vehicle’s engine, controlling everything from fuel injection and ignition timing to emissions systems and transmission shifting. When it starts to fail, it can cause a cascade of frustrating and difficult-to-diagnose problems.
Don’t let a faulty computer keep your vehicle off the road. This is a direct-replacement Engine Control Module, part number 12672537, for a wide range of General Motors vehicles. The best part? It arrives at your door pre-programmed to your vehicle’s specific Vehicle Identification Number (VIN). We flash it with the latest, most stable software updates directly from GM, ensuring optimal performance and compatibility right out of the box. This eliminates the need for an expensive trip to the dealership for programming.
From the Diagnostic Bay
We had a 2015 GMC Canyon in the shop that was a real head-scratcher. The owner complained of random stalling at stoplights and an occasional hard shift from first to second gear. There were no consistent trouble codes, just a generic U0100 ‘Lost Communication with ECM’ that would pop up intermittently. We checked grounds, wiring harnesses, and even replaced a camshaft position sensor, but the problem persisted. On a hunch, we swapped in a known-good ECM. The truck ran perfectly for a week. The original module had an internal fault that would only manifest when it heated up. This pre-programmed 2015-2016 Colorado ECM is the exact solution that fixed that customer’s truck for good.
Common Symptoms of a Failing GM ECM
- ✔ Persistent Check Engine Light (CEL) that won’t clear.
- ✔ Trouble codes related to module communication (U-codes) or processor faults (P06xx codes).
- ✔ Unexplained engine stalling, stumbling, or misfiring.
- ✔ Noticeable decrease in fuel economy.
- ✔ Harsh or erratic transmission shifting.
- ✔ The engine cranks but refuses to start.
- ✔ Failure to pass an emissions inspection.
Why Choose a Pre-Programmed Solution?
Replacing an ECM isn’t just about swapping hardware. The module must be correctly coded to your vehicle’s specific VIN to recognize its engine, transmission, and factory-installed options. Our professional programming service handles this critical step for you. By providing your VIN during checkout, you receive a module that is truly plug-and-play. While the module is ready to work, most GM vehicles will require a simple security relearn procedure after installation. This procedure pairs the new ECM to your vehicle’s anti-theft system and can typically be done in your driveway in about 10-15 minutes with just your key—no special tools required.
Guaranteed Fitment for Your 2015-2016 Colorado ECM and More
This module, identified by part number 12672537, is a versatile component used across many popular GM platforms from 2014 to 2016. While it’s a perfect fit for the 2015-2016 Colorado ECM with the 3.6L engine, it is also the correct service part for vehicles like the Silverado 1500, Sierra 1500, Corvette, Cadillac ATS, CTS, and Escalade. It is a direct replacement for part numbers 12692067, 12676230, 12656993, 12662034, 12673195, 12663391, 12672963, and 12669318. Always verify the part number on your original module to ensure a perfect match.
Frequently Asked Questions
Do I need to get this ECM programmed by a dealer?
No. We handle all the programming for you before shipment. Simply provide us with your vehicle’s 17-digit VIN, and we will flash the module with the latest GM-certified software for your specific vehicle configuration.
What is a security relearn procedure?
This is a simple process that syncs the new ECM with your vehicle’s anti-theft system. It typically involves turning the key to the ‘ON’ position for 10 minutes, then ‘OFF’ for 10 seconds, and repeating this cycle three times. Instructions will be included with your part.
Where is the ECM located on my 2015-2016 Colorado or Canyon?
On the 2015-2016 Colorado and Canyon with the 3.6L engine, the ECM is typically located on the right-hand (passenger) side of the firewall in the engine compartment.
Will this fix my check engine light?
If the check engine light and associated symptoms are caused by a faulty ECM, this part will resolve the issue. However, if the codes are for other failing components (like sensors or wiring), those issues will need to be addressed separately.
Is this compatible with other GM vehicles?
Yes, this ECM is used in a wide variety of GM cars and trucks from 2014-2016, including the Silverado, Sierra, Tahoe, Corvette, and several Cadillac models. Please confirm that your original module’s part number is listed as compatible.