Is a faulty engine control module (ECM) causing your 2017-2018 Sierra Denali 1500 to stall or experience poor performance? This pre-programmed 12674052 ECM is the solution you need. With its seamless restoration of OEM function, you’ll enjoy smooth operation and reliable driving once again.
- Restores original ECM function for optimal engine performance.
- OEM-equivalent build ensures long-lasting reliability and durability.
- Pre-programmed to your VIN – no dealership visits or complicated setup required.
- Included 1-year warranty provides peace of mind and protection against defects.
- Easy DIY installation with basic tools (remember to disconnect the battery first to avoid shorts).
- Outperforms worn OEM modules without any modifications or tuning.
- Compatible with various Sierra Denali 1500 models, including those with different engine sizes.
No more sluggish acceleration on highways or frustrating stalling during family road trips. This ECM replacement ensures your vehicle runs like new again. Unlike failing factory modules that trigger annoying codes and compromise efficiency, this pre-programmed unit restores the original performance you expect from your Sierra Denali 1500.
Pairing this ECM with a diagnostic tool will help you identify any underlying issues and ensure optimal results. Simply connect the tool to your vehicle’s OBD-II port and follow the prompts to diagnose and clear codes.
Important Installation Notes
After installation, a theft relearn may be necessary using the GM programming system Tis2web/Techline Connect. This is the responsibility of the end-user. Additionally, some setup procedures like injector setup or crankshaft variation relearn might be required. Please consult your owner’s manual or contact a professional mechanic for assistance if needed.
Order your pre-programmed ECM today and rediscover reliable driving in your 2017-2018 Sierra Denali 1500!
This part will fit these makes and models with these options
2017-2018 GMC Sierra Denali 1500 (engine compartment), ID 12674052. Also compatible with other GM models, including Escalade, Yukon, Tahoe, Suburban, Silverado 1500, and more.