Is Your 2017 Yukon Running Rough, Stalling, or Showing a Check Engine Light?
As a technician with over two decades of experience under the hood, I’ve seen firsthand how a failing Engine Control Module (ECM) can turn a reliable truck into a source of constant frustration. If your GMC Yukon is suffering from baffling electrical gremlins, poor fuel economy, a persistent check engine light, or even a no-start condition, the ECM is a very likely culprit. This isn’t just a part; it’s the brain of your vehicle’s engine, and when it falters, everything else does too.
The Smart Solution: A VIN-Programmed Replacement
Forget the dealership hassle and the gamble of a junkyard part that won’t communicate with your vehicle. We offer a direct, dependable solution. This Engine Control Module is meticulously prepared for your specific 2017 Yukon. You provide us with your Vehicle Identification Number (VIN) during checkout, and we flash the module with the latest, most stable software updates directly from GM. It arrives at your door ready for installation, tailored specifically to your truck’s factory specifications.
- โ VIN-Specific Programming: We load the correct GM calibration file for your exact vehicle, ensuring seamless communication and performance.
- โ Latest Software Updates: Your module comes with the newest GM software, which often corrects factory bugs and improves drivability.
- โ Direct-Fit Replacement: Guaranteed to be a perfect match for original part numbers 12692068, 12704476, 12686382, 12674052, 12674472, and 12678815.
- โ Cost-Effective Repair: Avoid the high costs and scheduling delays associated with dealership programming and service.
Expert Pro Tip: Check Your Connections First!
Before you condemn your old ECM, take a moment to inspect the main electrical harness connectors that plug into it. Over the years, I’ve seen countless modules replaced when the real issue was a corroded pin or a bit of moisture causing a short. Unplug the connectors (with the battery disconnected!) and look for any green or white crust, or bent pins. Cleaning them with a dedicated electronics cleaner can sometimes solve the problem. If the connections are clean and the problems persist, you can be confident the module itself is the issue.
Simple Installation to Get You Back on the Road
Replacing the ECM is a straightforward job for a DIYer with basic tools. While every vehicle is slightly different, the general process is simple.
- Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes for the system to discharge.
- Locate the ECM: On most 2017 GM trucks and SUVs like the Yukon, the ECM is located in the engine compartment, typically on the driver’s side near the firewall or fender.
- Disconnect and Remove: Carefully release the locking tabs on the electrical connectors and pull them straight out. Then, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed ECM into place. Firmly reconnect the electrical harnesses, ensuring they click and lock securely.
- Reconnect Battery: Re-attach the negative battery terminal.
Important Post-Installation Steps
Please Note: This is a critical part of the process. Because this module is integral to your vehicle’s security system, a ‘Vehicle Theft Deterrent Relearn’ procedure may be required if the truck does not start after installation. This procedure pairs the new ECM to your vehicle’s security system. Additionally, other specific functions like the Crankshaft Variation and injector flow rates may need to be relearned. These procedures require a professional scan tool with GM-specific software (such as a Tech 2, MDI with GDS2, or access to GM’s Tis2web/Techline Connect). This is the responsibility of the installer and is standard practice for this type of repair.
Guaranteed Fitment for Your GM Vehicle
This 2017 Yukon Engine Control Module is a direct replacement for a wide range of GM trucks, SUVs, and performance cars. Please verify your original part number or confirm your vehicle is on the list below to ensure compatibility.
This part is a confirmed fit for the following vehicles:
- 2017 Cadillac Escalade & Escalade ESV
- 2017 Cadillac XTS (3.6L Twin Turbo LF3)
- 2017 Cadillac CTS (6.2L Supercharged & 3.6L Twin Turbo LF3)
- 2017 Cadillac ATS (3.6L Twin Turbo LF4)
- 2017 Chevrolet Corvette
- 2017 Chevrolet Tahoe & Suburban 1500
- 2016-2018 Chevrolet Silverado 1500 (check ID)
- 2017 GMC Yukon & Yukon XL 1500
- 2016-2018 GMC Sierra 1500 & Sierra Denali 1500 (check ID)