Is Your GM Truck or SUV Acting Up? Get a Reliable Fix.
If you’re dealing with a persistent Check Engine Light, erratic engine behavior, stalling, or even a no-start condition in your Cadillac, Chevy, or GMC, a failing Engine Control Module (ECM) is a very likely culprit. As the brain of your vehicle’s engine management system, when the ECM goes bad, it can cause a host of frustrating and difficult-to-diagnose problems. Stop chasing symptoms and replace the core component with a solution that’s built to last.
The Smart Solution: A VIN-Programmed ECM
This isn’t just a replacement part; it’s a complete solution. We take a quality-tested ECM and program it specifically to your vehicle’s 17-digit Vehicle Identification Number (VIN). This ensures that the module arrives with the latest, most stable software updates directly from GM, tailored perfectly for your vehicle’s specific options and systems.
- โ VIN-Specific Programming: We flash the module with the correct GM calibration for your exact vehicle before it ships.
- โ Resolves Common Failures: Effectively corrects issues like false sensor codes, poor fuel economy, shifting problems, and no-start scenarios linked to a faulty ECM.
- โ Broad Compatibility: This module is a direct replacement for multiple part numbers, including 12692068, 12704476, 12686382, and more.
- โ No Core Charge: Keep your old part. There are no core charges or hassles to deal with.
From the Shop Floor: A Real-World Scenario
“A customer’s 2017 Sierra 1500 came in last week with a random misfire code (P0300) that just wouldn’t go away. They had already replaced plugs, coils, and even an O2 sensor at another shop. After hooking up my diagnostic tools, I saw that the injector pulse width was erratic on cylinder 3, but the injector itself tested fine. The issue was a failing driver inside the original ECM. We installed one of our VIN-programmed modules, performed the crankshaft variation relearn, and the truck ran perfectly. It’s a classic case where the ECM itself is the root cause, not the parts it controls.”
Installation and Setup Requirements
Installing your new ECM is straightforward, but a critical final step is required for your vehicle to operate correctly. Please read this carefully:
- Safety First: Disconnect the negative battery terminal before beginning work.
- Locate and Replace: The ECM is typically found in the engine compartment on the driver’s side. Carefully disconnect the electrical harnesses and unbolt the old module. Install the new one in its place.
- Reconnect Power: Securely reconnect the electrical harnesses and the negative battery terminal.
- CRITICAL – Security Relearn: After installation, your vehicle’s anti-theft system must be synchronized with the new ECM. If the vehicle does not start, a Vehicle Theft Deterrent (VTD) relearn is required. This procedure must be performed using a professional GM diagnostic tool like Tis2web or Techline Connect.
- Additional Relearns: Depending on your vehicle, other procedures like a Crankshaft Position Variation Relearn or injector flow rate programming may also be necessary. This is the responsibility of the installer.
This 2017 Escalade Engine Module Fits a Wide Range of GM Vehicles:
Please verify your vehicle is on this list. This module is a direct replacement for part numbers 12692068, 12704476, 12686382, 12674052, 12674472, and 12678815.
- Cadillac ATS 2017 (3.6L, VIN Y, LF4)
- Cadillac CTS 2017 (3.6L Twin Turbo, VIN 8, LF3)
- Cadillac CTS 2017 (6.2L Supercharged)
- Cadillac Escalade & Escalade ESV 2017
- Cadillac XTS 2017 (3.6L, VIN 8, LF3)
- Chevrolet Corvette 2017
- Chevrolet Silverado 1500 2016 (ID 12674472)
- Chevrolet Silverado 1500 2017
- Chevrolet Silverado 1500 2018 (ID 12686382)
- Chevrolet Suburban 1500 2017
- Chevrolet Tahoe 2017
- GMC Sierra 1500 & Denali 1500 2016 (ID 12674472)
- GMC Sierra 1500 & Denali 1500 2017
- GMC Sierra 1500 & Denali 1500 2018 (ID 12686382)
- GMC Yukon & Yukon XL 1500 2017
To complete your order, please provide your vehicle’s VIN in the notes section at checkout or message us after your purchase. We cannot program and ship your module without it.