Is Your 2017 Suburban Running Rough?
If your Chevy Suburban is experiencing baffling issues like intermittent stalling, a persistent check engine light with a laundry list of codes, no-start conditions, or erratic engine behavior, a failing Engine Control Module (ECM) is often the culprit. As the central computer of your vehicle, when the ECM begins to fail, it can create frustrating and unpredictable problems that can leave you stranded. Don’t keep throwing parts at the problem; get the direct-fit, correctly programmed solution.
The Plug-In Solution: Programmed & Ready for Installation
This Engine Control Module is the definitive fix for your vehicle’s electronic woes. We take the guesswork and hassle out of the repair by programming the module specifically to your vehicle’s VIN before we ship it. This ensures it has the latest, most stable software calibrations directly from GM, tailored to your Suburban’s exact configuration. This is a critical step that many sellers skip, leading to compatibility issues down the road.
My Experience in the Shop: A Real-World Diagnosis
“A customer’s 2017 Tahoe came in last week with symptoms that screamed ECM failure: random misfire codes on multiple cylinders, harsh shifting, and it would occasionally refuse to start. Before condemning the expensive module, my first step is always to check the foundation. I performed a voltage drop test directly at the ECM connectors. Sure enough, pin corrosion on a main power feed was causing intermittent voltage loss, mimicking a bad computer. After cleaning the terminals with a dedicated contact cleaner and applying dielectric grease, the issues were gone. Always inspect and clean your connectors before installing a new moduleโit can save you from replacing a perfectly good part.”
Key Features & Benefits:
- โ VIN-Specific Programming: Arrives flashed with the latest GM software for your exact vehicle. Just provide your VIN at checkout.
- โ Solves Common ECM Failures: Directly addresses issues like no-start, communication errors, false sensor codes, and poor fuel economy.
- โ Direct Replacement: Guaranteed to be a perfect fit and replacement for multiple OEM part numbers, including 12692068, 12704476, 12674052, and more.
- โ Restores Peak Performance: A properly functioning ECM is essential for optimal engine timing, fuel delivery, and emissions control.
Important: Post-Installation Relearn Procedures
As an automotive professional, I want to ensure you have a successful installation. Because this ECM is a vital part of your vehicle’s security and operating systems, additional steps are required after you install it. This is standard procedure for this type of repair.
- Vehicle Theft Deterrent System (VTDS) Relearn: If your Suburban does not start after installation, the new ECM needs to be synchronized with your vehicle’s security system. This is not a defect. This procedure requires a professional scan tool with access to GM’s Tis2web or Techline Connect service.
- Additional System Setups: Depending on your vehicle’s specific condition and codes, other relearns may be necessary. These can include a Crankshaft Position Variation Relearn, Fuel Injector Flow Rate Programming, or other system initializations. These procedures are the responsibility of the installer and require the appropriate diagnostic tools.
Guaranteed Fitment for Your GM Vehicle
This module is a confirmed fit for a wide range of GM trucks, SUVs, and performance cars. Please verify your vehicle is on this list. This module replaces the following part numbers: 12692068, 12704476, 12686382, 12674052, 12674472, 12678815.
- Cadillac ATS (2017): 3.6L, VIN Y (LF4)
- Cadillac CTS (2017): 6.2L (Supercharged) or 3.6L, VIN 8 (LF3, Twin Turbo)
- Cadillac Escalade / ESV (2017)
- Cadillac XTS (2017): 3.6L, VIN 8 (LF3)
- 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)