Restore Peak Performance and Reliability to Your GM Vehicle
Is your truck or car suffering from a persistent check engine light, erratic idling, poor fuel economy, or even a no-start condition? These are classic signs of a failing Engine Control Module (ECM), the computer that acts as the brain of your vehicle’s engine. A faulty ECM can be a frustrating and costly problem to solve, especially when dealing with dealership programming fees and delays. This is the simple, reliable, and cost-effective solution you’ve been looking for.
This is a genuine OEM-spec GM Engine Control Module 12672537, fully tested and ready for installation. The most critical part of the process is handled for you: we flash the module with the latest, most stable software updates directly from GM, programmed specifically to your vehicle’s VIN. This ensures perfect compatibility and function right out of the box, eliminating the need for an expensive trip to a mechanic or dealer for programming.
Case Study: A Tricky Diagnosis
I recently had a 2016 GMC Canyon 3.6L in my bay with an intermittent stalling issue that no one could figure out. The owner had replaced sensors and even the fuel pump, but the truck would still randomly die at stoplights. There were no hard codes, just a history of U0100 (Lost Communication with ECM). After hooking up my scope, I noticed a voltage drop on the ECM’s main processor during high-load situations. The internal components were failing under stress. We replaced it with a VIN-programmed module like this one, and the problem was solved instantly. It’s a reminder that intermittent electrical faults are often the first sign of ECM failure.
Is Your Vehicle Showing These ECM Failure Signs?
A failing ECM can manifest in many ways. If you’re experiencing any of the following, this module is likely the solution. Look out for Diagnostic Trouble Codes (DTCs) like P0601, P0602, P0606, or U0100.
- ✔ Check Engine Light is on with no clear cause
- ✔ Engine cranks but refuses to start
- ✔ Noticeable drop in fuel mileage
- ✔ Rough or unstable idling
- ✔ Engine stalling or hesitating during acceleration
- ✔ Transmission shifting issues or harsh shifts
- ✔ Communication errors with other vehicle modules
The Advantage of a Pre-Programmed GM Engine Control Module 12672537
Replacing an ECM isn’t just about swapping hardware. Modern vehicles require the module to be coded to the specific VIN and options of the car it’s installed in. Our service takes care of this complex step. By providing your VIN at checkout, you receive a module that is truly plug-and-play. It will have the correct software to manage your engine, transmission, and emissions systems perfectly, restoring the performance and reliability you expect from your vehicle.
A Straightforward Guide to Installation
Installing your new ECM is a job most DIYers can handle with basic tools. Following these steps will ensure a smooth process.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait at least 10 minutes to allow capacitors to discharge.
- Locate the ECM: On most compatible vehicles like the Canyon or Colorado, the ECM is on the right-hand (passenger side) firewall. On trucks like the Silverado or Sierra, it’s typically in the left-front (driver side) of the engine compartment. Consult a service manual if you’re unsure.
- Disconnect Connectors: Carefully release the locking tabs on the electrical wiring harnesses and pull them straight out from the module. Do not force them.
- Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need to reuse it.
- Install the New Module: Mount your new, pre-programmed ECM in place and secure it with the bolts.
- Reconnect Everything: Plug the wiring harnesses back into the new ECM until they click securely. Reconnect the negative battery terminal.
- Final Steps: In some cases, a security or crank position sensor relearn procedure may be required. This can often be done without special tools (e.g., by cycling the key) or with a capable scan tool. Your vehicle is now ready to start.
Verified Vehicle Compatibility List
This module, part number 12672537, is a direct replacement for a wide range of General Motors vehicles. It is also interchangeable with part numbers 12692067, 12676230, 12656993, 12662034, 12673195, 12663391, 12672963, and 12669318. Please verify your vehicle is on this list:
- Cadillac ATS: 2014-2016 (3.6L)
- Cadillac CTS: 2014-2016 (3.6L, 6.2L)
- Cadillac Escalade / ESV: 2015-2016
- Cadillac XTS: 2014-2016 (3.6L)
- Chevrolet Camaro: 2016 (6.2L)
- Chevrolet Colorado: 2015-2016 (3.6L)
- Chevrolet Corvette: 2014-2016
- Chevrolet Silverado 1500: 2014-2016
- Chevrolet Suburban 1500: 2015-2016
- Chevrolet Tahoe: 2015-2016
- GMC Canyon: 2015-2016 (3.6L)
- GMC Sierra 1500 / Denali 1500: 2014-2016
- GMC Yukon / Yukon XL 1500: 2015-2016
What is VIN programming and why is it important?
What is VIN programming and why is it important?
VIN programming is the process of loading your vehicle’s specific software and calibration files onto the ECM. This ensures the module works correctly with your engine, transmission, and options like anti-theft systems. Without it, the vehicle will not start or run properly. We handle this for you before shipping.
Is this module truly plug-and-play?
Yes, because we program it to your VIN, it is designed to be plug-and-play. In some rare cases, a simple “relearn” procedure (like a crankshaft position sensor relearn) may be needed, which can be done with a capable scan tool or sometimes by following a specific key-cycling sequence.
How do I provide my VIN?
After you complete your purchase, you will need to send us your 17-digit Vehicle Identification Number (VIN). You can typically add it as a note during checkout or send it to us in a message referencing your order number. We cannot ship the module until we receive your VIN.
How can I be sure this fits my vehicle?
The best way is to match the part number on your existing module to 12672537 or one of the listed compatible numbers. You can also use the detailed fitment list provided on this page. Providing your VIN for programming is the final check that guarantees compatibility.
Will this fix my check engine light?
If the check engine light is caused by an internal failure of the ECM (common codes P0601, P0606, etc.), then yes, this part will resolve the issue. If the light is on for another reason, such as a bad sensor, that component will still need to be addressed.