Is Your GM Vehicle Acting Up? It Could Be The ECM.
If you’re dealing with a persistent check engine light, erratic engine behavior, a no-start condition, or mysterious communication error codes on your 2014-2016 Cadillac XTS, Silverado, Corvette, or other compatible GM model, the Engine Control Module (ECM) is a very likely culprit. As a technician with over two decades of experience, I’ve seen these symptoms countless times. The ECM is the brain of your engine, and when it starts to fail, it can cause a cascade of frustrating and hard-to-diagnose problems.
“A customer’s 2015 Silverado 1500 came in last week with these exact symptoms. It had an intermittent no-crank condition and a P0606 (Internal Control Module Processor Error) code that just wouldn’t stay away. After verifying the power and ground circuits to the module were solid, we knew the ECM itself was the issue. Heat cycles and constant vibration in the engine bay had taken their toll on the internal processor. Replacing the module with a pre-programmed unit like this one had the truck running perfectly in under an hour, with no expensive trip to the dealership for programming.”
The Hassle-Free Solution: A VIN-Programmed ECM
Don’t waste time and money on a used module from a junkyard that might have the same issues or require expensive dealer programming. This Engine Control Module is the reliable, straightforward solution. We take the guesswork out of the repair by programming the module specifically for your vehicle using your VIN before it ever leaves our facility. This ensures all the unique parameters for your engine, transmission, and factory options are loaded and ready to go.
Key Benefits of This VIN-Programmed Module:
- ✔ Arrives Ready for Installation: We flash the unit with the latest, most stable software updates directly from GM. This helps resolve many common factory drivability issues.
- ✔ No Extra Programming Needed: By programming it to your VIN, we eliminate the need for an expensive trip to the dealership or a specialized shop with a high-end scan tool.
- ✔ Restores Original Performance: A faulty ECM can cause poor fuel economy, hesitation, and reduced power. This replacement restores the precise fuel and timing calculations for optimal engine operation.
- ✔ Clears Persistent Trouble Codes: This is a direct fix for internal ECM failure codes (like P0601, P0606) that can’t be cleared otherwise.
Installation and Security Relearn
Installation is typically straightforward. The ECM is located in various places depending on your model (e.g., LH front engine compartment on a Silverado, RH firewall on a Canyon). Simply disconnect the battery, unplug the electrical connectors from your old module, unbolt it, and install the new one in its place. After installation, you will likely need to perform a simple security relearn procedure (often called a Passlock or Passkey relearn), which pairs the new ECM to your vehicle’s anti-theft system. This procedure can usually be done without any special tools and instructions are widely available online or in service manuals.
Guaranteed Compatibility
This module is a direct replacement for a wide range of GM vehicles and part numbers. Please verify that your vehicle and original part number are listed below to ensure proper fitment. After your purchase, we will contact you to request your vehicle’s VIN to begin the programming process.
Replaces Part Numbers:
12692067, 12676230, 12656993, 12662034, 12672537, 12673195, 12663391, 12672963, 12669318
Vehicle Fitment List:
- ✔ Cadillac ATS (2014-2016): 3.6L Engines
- ✔ Cadillac CTS (2014-2016): 3.6L & 6.2L Engines
- ✔ Cadillac Escalade / ESV (2015-2016)
- ✔ Cadillac XTS (2014-2016): 3.6L, VIN 8 (8th digit, opt LF3)
- ✔ Chevrolet Camaro (2016): 6.2L
- ✔ Chevrolet Colorado (2015-2016): 3.6L
- ✔ Chevrolet Corvette (2014-2016)
- ✔ Chevrolet Silverado 1500 (2014-2016)
- ✔ Chevrolet Suburban 1500 (2015-2016)
- ✔ Chevrolet Tahoe (2015-2016)
- ✔ GMC Canyon (2015-2016): 3.6L
- ✔ GMC Sierra 1500 / Denali 1500 (2014-2016)
- ✔ GMC Yukon / XL 1500 (2015-2016)