Restore Your Truck’s Core Performance and Reliability
Is your 2014-2016 Silverado 1500 acting up? A faulty Engine Control Module (ECM) is often the hidden culprit behind a host of frustrating issues, from a persistent check engine light to a no-start condition that leaves you stranded. As the ‘brain’ of your vehicle’s engine, the ECM controls everything from fuel mixture and ignition timing to transmission shifting. When it fails, performance suffers. This isn’t just an inconvenience; it affects fuel economy, emissions, and overall vehicle health.
This is a direct-fit replacement 2014-2016 Silverado ECM, meticulously programmed to your truck’s specific Vehicle Identification Number (VIN). We handle the complex part for you. Before we ship, we flash the module with the latest, most stable software updates directly from GM. This means no expensive trips to the dealership for programming. You get a component that’s ready to install right out of the box, restoring the precise, factory-calibrated performance your truck was designed to deliver.
A Technician’s Notebook: The Phantom Transmission Problem
I once had a 2015 Sierra in the bay with what the owner swore was a failing transmission. It had harsh shifts and would occasionally get stuck in gear. We checked the fluid, solenoids, and even the transmission control module—everything looked fine. No transmission codes were present. However, I noticed a subtle, intermittent misfire that wasn’t consistent enough to set a specific cylinder code. On a hunch, I dug into the ECM’s data stream and found corrupted fuel trim data. The ECM was sending bad signals, causing the engine to run poorly, which in turn made the transmission behave erratically. We replaced the ECM with a VIN-programmed unit like this one, and both the misfire and the ‘transmission’ problem vanished. It’s a classic case of the real problem hiding behind misleading symptoms.
Is Your Truck Showing These Symptoms?
A failing ECM can manifest in numerous ways. If you’re experiencing any of the following, it’s a strong indicator that your engine’s computer needs attention:
- ✔ Check Engine Light is on with communication codes (like U0100) or internal processor failure codes (P0601, P0606).
- ✔ Engine cranks but refuses to start.
- ✔ Noticeable drop in fuel efficiency.
- ✔ Rough or unstable idling.
- ✔ Engine stalling or hesitating during acceleration.
- ✔ Harsh or erratic automatic transmission shifting.
- ✔ Failure to pass state emissions testing.
A Straightforward Guide to Installation
Installing your new 2014-2016 Silverado ECM is a manageable job for a DIYer with basic tools. Our VIN programming makes it a simple component swap.
- Safety First: Always disconnect the negative terminal from your truck’s battery and wait about 10 minutes to ensure the system is fully discharged.
- Locate the ECM: On most 2014-2016 Silverado/Sierra models, the ECM is located in the front of the engine compartment on the driver’s side, near the air filter housing.
- Disconnect and Remove: Carefully unplug the electrical connectors. They have locking tabs that need to be released. Then, unbolt the module from its mounting bracket.
- Install the New Module: Bolt the new, pre-programmed ECM into place. Reconnect the electrical connectors, making sure they click securely into position.
- Reconnect Power: Reattach the negative battery terminal and tighten it securely.
- Final Steps: Start the engine. It may run a little rough for the first few moments as the system recalibrates. In some cases, a security or idle relearn procedure may be necessary, which can often be done without special tools (consult your owner’s manual or a reliable online resource for the specific procedure for your truck).
Verified Vehicle Compatibility
This module is a direct replacement for part number 12672537 and is interchangeable with several other GM part numbers, including 12692067, 12676230, 12656993, 12662034, 12673195, 12663391, 12672963, and 12669318. It is guaranteed to fit the following vehicles:
SILVERADO 1500 PICKUP 16 Electronic Control Module; (LH front engine compartment), ID 12672537, 12662034, or 12673195
SIERRA 1500 PICKUP 14-15 Electronic Control Module; (LH front engine compartment)
SIERRA 1500 PICKUP 16 Electronic Control Module; (LH front engine compartment), ID 12672537, 12662034, or 12673195
SIERRA DENALI 1500 14-16 Electronic Control Module; (LH front engine compartment)
TAHOE / SUBURBAN 1500 15-16 Electronic Control Module; (LH front engine compartment)
YUKON / YUKON XL 1500 15-16 Electronic Control Module; (LH front engine compartment)
ESCALADE / ESCALADE ESV 15-16 Electronic Control Module; (LH front engine compartment)
CAMARO 16 Electronic Control Module; 6.2L
CORVETTE 14-16 Electronic Control Module; (RH cowl under dash)
CTS 14-15 Electronic Control Module; Sdn, 3.6L
CTS 16 Electronic Control Module; 3.6L (VIN 8) or 6.2L
ATS 14 Electronic Control Module; (LH engine compartment), ID 12656993
ATS 15 Electronic Control Module; (LH engine compartment), 3.6L
ATS 16 Electronic Control Module; (LH engine compartment), 3.6L (VIN Y)
XTS 14-16 Electronic Control Module; (3.6L), VIN 8
CANYON / COLORADO 15-16 Electronic Control Module; (RH firewall), 3.6L
Frequently Asked Questions
Frequently Asked Questions
What does ‘VIN Programmed’ mean?
It means we load the module with the specific software and calibrations for your truck using your VIN. This ensures all systems, including the engine, transmission, and anti-theft system, communicate correctly without needing a trip to the dealer for additional programming.
Is this part truly plug-and-play?
Yes, for the vast majority of vehicles. Because it arrives programmed to your VIN, you can simply install it. In some rare cases, a simple ‘security relearn’ or ‘idle relearn’ procedure may be required, which can typically be done in your driveway.
How do I provide my VIN?
After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program or ship your module without it, so please provide it promptly to avoid delays.
Will this fix my check engine light?
If the check engine light is caused by a failing ECM (common codes P0601-P0606, U0100), then yes, this will resolve the issue. However, you should always ensure other potential problems (like faulty sensors or wiring) have been ruled out for a complete repair.
What if my original part number isn’t an exact match to 12672537?
This module is a compatible replacement for all part numbers listed in the description (e.g., 12692067, 12676230, etc.). As long as your vehicle model and year are listed in our compatibility chart, this module will work correctly once programmed to your VIN.