Is your 2003-2007 GMC Sierra 1500 Pickup experiencing stalling or poor engine performance? This 28042802 PCM is programmed to restore OEM functionality seamlessly. Imagine driving through rugged terrain without hesitation, with smooth acceleration and reliable performance.
- Restores original ECM function for smooth operation.
- OEM-equivalent build ensures long-lasting reliability.
- Pre-programmed to your VIN—no dealership visits needed.
- Includes 1-year warranty for peace of mind.
- Easy DIY install with basic tools (tips: disconnect battery first to avoid shorts).
- Outperforms worn OEM without modifications.
- Compatible with Sierra 1500 Pickup variants (expand from data, e.g., engine sizes like 5.3L).
Unlike failing factory modules that trigger codes and decrease efficiency, this pre-programmed PCM ensures optimal performance. Pair it with a diagnostic tool for the best results—learn how below.
Important Installation Notes
Please note that after installation, your vehicle may require relearns or setup procedures (e.g., injector/crankshaft variation) to ensure proper functionality. It’s essential to follow these steps carefully, as they affect the security features and overall performance of your vehicle.
Our team is committed to providing accurate information and support throughout the installation process. If you have any questions or concerns, please don’t hesitate to contact us.
This part will fit these makes and models with these options
2003-2007 GMC Sierra 1500 Pickup ECM (add specifics from data, e.g., engine/transmission options, part number cross-references like 12692068).