Is Your Silverado Running Rough, Stalling, or Showing a Check Engine Light?
If you’re dealing with frustrating engine problems in your 2016, 2017, or 2018 GM truck or SUV, a failing Engine Control Module (ECM) is a very likely culprit. As the ‘brain’ of your vehicle, the ECM controls everything from fuel mixture and ignition timing to transmission shifting. When it starts to fail, it can cause a cascade of issues that are often difficult to diagnose, leaving you with a truck that’s unreliable or won’t even start.
From the Shop Floor: A Real-World Diagnosis
“Just last month, a customer brought in his 2017 Sierra 1500 with intermittent stalling and a host of network communication codes (U-codes). We spent hours checking the wiring harnesses and grounds, which all looked perfect. On these models, I’ve learned that a common point of failure is actually internal to the ECM itself. We connected a lab scope and saw a noisy 5-volt reference signal coming out of the module. Swapping in a correctly programmed ECM like this one resolved all the issues instantly. It’s a fix I’ve performed on dozens of these trucks.”
The Direct Solution: A VIN-Programmed 2016-2018 Silverado 1500 ECM
Don’t waste time and money at the dealership. This is a genuine GM Engine Control Module, delivered to your door already programmed with the latest factory software for your specific vehicle. We take the guesswork out of the repair. Simply provide us with your Vehicle Identification Number (VIN) during checkout, and our experts will flash the module, ensuring it’s a perfect match for your truck’s original specifications.
Key Benefits of This Programmed ECM:
- โ VIN-Specific Programming: We load the latest GM calibrations for your exact vehicle, ensuring proper engine, transmission, and emissions performance.
- โ Resolves Common Failures: Effectively corrects issues like false sensor codes, harsh shifting, no-start conditions, and persistent check engine lights.
- โ Direct-Fit Replacement: Engineered to replace a range of original part numbers, guaranteeing a perfect physical fit and electronic communication.
- โ Save on Dealer Costs: Avoid expensive dealership programming fees and long wait times for service appointments.
Simple Installation & Important Next Steps
Physically installing the module is straightforward. However, please be aware that post-installation procedures are often required for modern vehicles.
- Safety First: Always disconnect the negative battery terminal before beginning any work on your vehicle’s electrical system.
- Locate the ECM: On most Silverado and Sierra models, the ECM is located in the engine compartment on the driver’s side, near the firewall or fuse box.
- Disconnect and Remove: Carefully unplug the electrical connectors. Be gentle with the locking tabs, as they can become brittle over time. Unbolt the old module.
- Install the New Module: Bolt the new ECM into place and securely reconnect the electrical harnesses. Ensure they click into place. Reconnect the battery terminal.
CRITICAL NOTICE: After installation, your vehicleโs anti-theft system will likely prevent it from starting. This is a normal security feature. A Vehicle Theft Deterrent (VTD) relearn must be performed using a professional GM-compatible scan tool with access to GM’s Tis2web or Techline Connect software. This syncs the new ECM to your truck’s security system. Other procedures, such as a crankshaft position variation relearn or injector flow rate programming, may also be necessary depending on your specific vehicle and the codes present. This is the responsibility of the installer.
Guaranteed Compatibility
This module is a direct replacement for the following part numbers:
12692068, 12704476, 12686382, 12674052, 12674472, 12678815
It fits a wide variety of 2016-2018 GM vehicles, including:
- Cadillac Escalade / ESV (2017)
- Cadillac ATS, CTS, XTS (2017 with specific engines)
- Chevrolet Corvette (2017)
- Chevrolet Silverado 1500 (2016-2018)
- Chevrolet Suburban 1500 (2017)
- Chevrolet Tahoe (2017)
- GMC Sierra 1500 / Denali 1500 (2016-2018)
- GMC Yukon / Yukon XL 1500 (2017)
Restore your truck’s reliability and performance with an ECM you can trust. Order today and provide your VIN to get the right part, programmed correctly, the first time.