2015–2016 Colorado Engine Control Module ECM 12672537 Programmed to Your VIN

Is Your 2015-2016 Colorado Running Rough or Not Starting at All?

As a mechanic with over two decades of experience under the hood, I’ve seen countless trucks come into the shop with baffling issues. For the 2015-2016 Chevy Colorado with the 3.6L engine, a failing Engine Control Module (ECM) is often the culprit behind a host of frustrating problems. Your truck might be cranking but won’t start, idling erratically, or suddenly going into “Reduced Power” mode on the highway. You’re likely seeing a check engine light with a confusing mix of diagnostic trouble codes (DTCs) that don’t seem to point to a single failed sensor.

The ECM is the brain of your engine. It’s a complex computer that makes thousands of calculations per second to manage everything from fuel injection and spark timing to transmission shifting and emissions controls. When it starts to fail, the symptoms can be widespread and mimic other problems, making diagnosis a real challenge for the average DIYer.

Common Symptoms of a Failing GM ECM

If you’re experiencing any of the following, a faulty ECM could be the root cause:

• ✔ Check Engine Light is on with multiple, often unrelated, trouble codes.
• ✔ Engine cranks but refuses to start.
• ✔ Severe performance issues, such as rough idling, stalling, or hesitation.
• ✔ Noticeable decrease in fuel economy.
• ✔ The vehicle is stuck in “limp mode” or “Reduced Power” mode.
• ✔ Communication errors with your scan tool (U-codes).

The Right Solution: A Pre-Programmed ECM

Simply swapping an ECM from another vehicle won’t work. Modern vehicle security systems (like GM’s Passlock/VATS) require the ECM to be programmed with your specific Vehicle Identification Number (VIN). Without this step, the vehicle will not start. This typically means an expensive trip to the dealership for the part and additional labor charges for programming.

We eliminate that hassle. This genuine GM ECM, part number 12672537, is the direct-fit, reliable solution for your vehicle. The critical difference is our service: we flash the module with the latest GM software updates and program it to your exact VIN before it leaves our facility.

How It Works:

1. Place your order for this ECM.
2. Provide us with your 17-digit VIN during checkout or in a follow-up message.
3. Our technicians will program the module specifically for your vehicle.
4. We ship the ready-to-install module directly to you.

Once you receive it, installation is straightforward. On the 2015-2016 Colorado, the ECM is located on the right-hand (passenger side) firewall in the engine compartment. After swapping the module, you may need to perform a simple security relearn procedure, which can typically be done without special tools. This process saves you time, money, and the headache of dealing with a dealership service appointment.

Guaranteed Compatibility

This module is a direct replacement for a wide range of GM vehicles. Please verify your original part number or match your vehicle in the list below. This ECM is fully compatible with the following part numbers:

• ✔ 12692067
• ✔ 12676230
• ✔ 12656993
• ✔ 12662034
• ✔ 12672537
• ✔ 12673195
• ✔ 12663391
• ✔ 12672963
• ✔ 12669318

This part will fit these makes and models with these options:

This module fits a broad array of GM cars and trucks, including but not limited to: ATS, CAMARO, CANYON, COLORADO, CORVETTE, CTS, ESCALADE, SIERRA, SILVERADO, SUBURBAN, TAHOE, YUKON, and XTS from various years. Please use the detailed fitment list provided in the product details to confirm compatibility with your specific vehicle, engine, and options.