Is Your Truck Experiencing Baffling Electrical Problems?
If you’re dealing with a 2014-2016 Sierra 1500 that’s suddenly developed a mind of its own—maybe it won’t start one day and runs fine the next, the check engine light is a permanent fixture on your dash, or you’re getting a cascade of random error messages—the root cause is often the Engine Control Module (ECM). As the central computer for your engine, when the ECM starts to fail, it can create symptoms that seem completely unrelated, sending you and your mechanic on a wild goose chase.
A Technician’s Real-World Experience
“A customer’s 2015 Silverado 1500 came into the shop last month with a complaint that stumped two other garages. It had an intermittent no-start, a rough idle when it did run, and the transmission was shifting erratically. The scan tool would lose communication with the ECM sporadically. After checking all the primary power and ground circuits to the module, we confirmed the ECM itself was failing internally. The extreme heat cycles under the hood of these trucks, combined with years of vibration, eventually take their toll on the delicate internal processors. We installed a VIN-programmed module just like this one, and it solved every single issue instantly.”
The Brain of Your Operation: Why a Healthy ECM is Crucial
The ECM, part number 12672537, is the single most important computer in your truck. It constantly analyzes data from dozens of sensors to make millisecond adjustments to things like:
- ✔ Fuel injector timing and pulse width
- ✔ Ignition coil spark timing
- ✔ Throttle position and airflow
- ✔ Emissions system operation
- ✔ Communication with the transmission and other vehicle modules
When it fails, the entire powertrain is compromised. You aren’t just losing performance; you’re losing the reliability you depend on.
The Smart Solution: A Pre-Programmed ECM
Replacing an ECM isn’t just a simple swap. A blank module from the dealer won’t work—it needs to be professionally programmed with your truck’s specific Vehicle Identification Number (VIN) and loaded with the latest GM factory software. This process typically requires expensive scan tools and a trip to the dealership, adding hundreds of dollars and significant downtime to your repair.
We eliminate that entire headache. When you purchase this module from us, we handle the critical programming for you before it ever leaves our facility.
- ✔ Provide Your VIN: Simply give us your 17-digit VIN during or after checkout.
- ✔ We Program It: Our technicians will flash the module with the newest, most stable GM calibration for your exact vehicle.
- ✔ Install & Go: The module arrives at your door ready for installation. In most cases, this restores full functionality without any further steps. A simple security relearn procedure may be required, which can typically be done in your driveway.
Guaranteed Compatibility
This ECM is a direct replacement for a wide range of GM vehicles and is interchangeable with several part numbers. Please verify your original part number or match your vehicle in the list below to ensure a perfect fit.
This ECM is a direct replacement for the following part numbers:
12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, 12669318
Vehicle Fitment Information:
- ✔ 2014-2016 Sierra 1500 / Silverado 1500 Pickup: (LH front engine compartment)
- ✔ 2014-2015 Sierra Denali 1500: (LH front engine compartment)
- ✔ 2016 Sierra Denali 1500: (LH front engine compartment)
- ✔ 2015-2016 Canyon / Colorado: (3.6L, RH firewall)
- ✔ 2014-2016 Cadillac ATS: (3.6L, LH engine compartment)
- ✔ 2014-2016 Cadillac CTS: (3.6L, 6.2L)
- ✔ 2014-2016 Cadillac XTS: (3.6L, VIN 8)
- ✔ 2015-2016 Cadillac Escalade / ESV: (LH front engine compartment)
- ✔ 2014-2016 Chevrolet Corvette: (RH cowl under dash)
- ✔ 2016 Chevrolet Camaro: (6.2L)
- ✔ 2015-2016 Tahoe / Suburban 1500: (LH front engine compartment)
- ✔ 2015-2016 Yukon / Yukon XL 1500: (LH front engine compartment)