Programmed 2015-2016 Colorado ECM 12669318 | Engine Control Module

Programmed 2015-2016 Colorado ECM 12669318 | Engine Control Module
One Year Warranty

Restore Peak Performance to Your GM Vehicle

Is your truck or SUV suffering from baffling issues like intermittent stalling, a persistent Check Engine Light, poor fuel economy, or a complete no-start condition? The Engine Control Module (ECM) is the brain of your vehicle’s powertrain, and when it fails, it can cause a cascade of frustrating and hard-to-diagnose problems. This isn’t just an inconvenience; it’s a reliability issue that can leave you stranded. This direct-fit Engine Control Module is the definitive solution, arriving at your door programmed with the latest GM software specifically for your vehicle.

As a technician with over two decades of experience, I’ve seen firsthand how a faulty ECM can mimic a dozen other problems. You can waste hundreds of dollars chasing sensors and wiring issues, only to find the root cause was the module itself. We eliminate the guesswork and the expensive trip to the dealership. Simply provide your Vehicle Identification Number (VIN) during checkout, and our experts will flash this module to match your vehicle’s exact specifications. This ensures seamless communication between all onboard systems and restores the precise engine management your vehicle had when it left the factory.

Case Study: A Tricky Diagnosis

A customer brought in a 2015 Chevy Colorado 3.6L that would randomly die at stoplights, with no stored trouble codes. Two other shops had already replaced the throttle body and a camshaft sensor to no avail. After hooking up my scope and monitoring the injector driver circuits directly from the ECM, I noticed an intermittent voltage drop on cylinder 3’s driver just before the engine would stall. The ECM’s internal processor was failing under load. We installed a VIN-programmed module like this one, performed the security relearn, and the truck has been running perfectly ever since. This is a classic example of how a failing 2015-2016 Colorado ECM can create ghost-like symptoms that are nearly impossible to trace without pinpoint diagnostics.

Is Your Vehicle Showing These Symptoms?

A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, this module is the likely solution.

  • ✔ Check Engine Light is on with no clear cause.
  • ✔ Stored diagnostic trouble codes (DTCs) such as P0601, P0606, or U0100.
  • ✔ Engine stalls, stumbles, or misfires unpredictably.
  • ✔ The vehicle won’t start at all (no spark or no fuel injector pulse).
  • ✔ Noticeable decrease in fuel efficiency.
  • ✔ Automatic transmission shifts harshly or at the wrong times.
  • ✔ Communication errors with your scan tool.

A Straightforward Guide to Installation

Replacing the ECM is a manageable job for a DIYer with basic tools. Our pre-programming service handles the most complex part, but a security relearn procedure is typically required after installation.

  1. Safety First: Disconnect the negative terminal from your vehicle’s battery and secure it away from the post to prevent accidental contact.
  2. Locate the ECM: On the 2015-2016 Colorado/Canyon, the ECM is typically located on the right-hand (passenger side) firewall in the engine bay. On trucks and SUVs like the Silverado or Tahoe, it’s often in the front left (driver’s side) of the engine compartment.
  3. Disconnect Connectors: Carefully release the locking tabs and unplug all electrical connectors from the old module. Inspect the connectors for any corrosion or damage.
  4. Remove the Old Module: Unbolt the old ECM from its mounting bracket and remove it from the vehicle.
  5. Install the New Module: Mount your new, pre-programmed ECM onto the bracket and securely plug in all electrical connectors.
  6. Reconnect Battery: Reattach the negative battery terminal.
  7. Perform Security Relearn: You will likely need to perform a security or anti-theft relearn procedure. This can often be done without special tools (e.g., turning the key to ‘ON’ for 10-15 minutes, then off, and repeating 2-3 times). Consult your vehicle’s service information for the specific procedure.

Verified Vehicle Compatibility

This module, programmed to your VIN, is a direct replacement for part number 12669318 and other interchangeable numbers across a wide range of GM vehicles. Please verify your vehicle is on the list below. Providing your VIN is mandatory to ensure we send a perfectly matched and updated module.

Compatible Part Numbers: 12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, 12669318

Fits Models Including:

  • ATS (2014-2016) – 3.6L
  • Camaro (2016) – 6.2L
  • Colorado / Canyon (2015-2016) – 3.6L
  • Corvette (2014-2016)
  • CTS (2014-2016) – 3.6L, 6.2L
  • Escalade / Escalade ESV (2015-2016)
  • Sierra 1500 / Silverado 1500 (2014-2016)
  • Sierra Denali 1500 (2014-2016)
  • Suburban / Tahoe (2015-2016)
  • XTS (2014-2016) – 3.6L
  • Yukon / Yukon XL 1500 (2015-2016)

Note: This is not an exhaustive list. Compatibility is confirmed by the VIN you provide.

Frequently Asked Questions

Frequently Asked Questions

What exactly is VIN programming?

VIN programming means we load the module with your vehicle’s specific factory software using your 17-digit VIN. This ensures the ECM works correctly with your engine, transmission, and options package, just like a part from the dealer.

Do I need to do anything else after installing this 2015-2016 Colorado ECM?

After the physical installation, you will most likely need to perform a security relearn procedure, also known as an anti-theft relearn. This procedure pairs the new ECM to your vehicle’s keys and can usually be done without any special scan tools.

How do I provide my VIN?

After you complete your purchase, you will need to send us a message with your vehicle’s 17-digit VIN. We cannot ship the module until we receive this information.

Is this a reliable part?

Absolutely. We ensure each module is tested and loaded with the latest stable software from GM. This process addresses many of the common failure points found in the original software, providing a dependable, long-term fix.

Where can I find my original part number?

The part number is printed on a sticker on the case of your current ECM. While helpful, your VIN is the most important piece of information for us to guarantee a perfect match.

Product Details

Category: GM

eBay Item ID: 205373882102

To program your module, we require your full 17-digit VIN. Please enter it in the payment notes and save to ensure we receive it. Orders without a VIN within our 2-business-day handling period may be canceled, as programming cannot proceed without it.

Shipping

  • Processing Time:
    Reliably shipped within 2-3 business days.

Warranty

Enjoy peace of mind with a one-year replacement warranty on this part, effective from the date you receive it. Labor costs are not covered.

If the part fails within the warranty period, we’ll replace it with a comparable unit or refund your purchase price, ensuring a hassle-free experience.

Return Address:

Highway71autoparts

9131 Highway 71 NE
Spicer, MN, 56288