Are you tired of dealing with a faulty engine control module (ECM) in your 2003-2006 Avalanche 1500? Look no further! This pre-programmed 12602802 ECM is designed to restore your vehicle’s original performance and reliability. With its OEM-equivalent build, you can trust that this module will provide long-lasting functionality.
- 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 various Avalanche 1500 models and engine sizes (see below for details).
Imagine being able to drive your Avalanche 1500 without worrying about stalling or poor performance. With this pre-programmed ECM, you can say goodbye to those frustrating moments and hello to a smoother driving experience. Plus, with its easy DIY installation, you can save time and money by avoiding dealership visits.
But don’t just take our word for it! This ECM has been designed to meet the highest standards of quality and performance. With its OEM-equivalent build, you can trust that this module will provide long-lasting functionality and reliability. And with its 1-year warranty, you can have peace of mind knowing that you’re protected in case anything goes wrong.
So why wait? Order your pre-programmed 12602802 ECM today and rediscover reliable driving in your Avalanche 1500!
Important Installation Notes
Before installing this ECM, please ensure that you have the correct VIN programmed. Failure to do so may result in improper function or damage to your vehicle’s electrical system. Additionally, it is recommended that you consult a professional mechanic if you are not comfortable with DIY installations.
Please note that this ECM requires relearn procedures for proper function. This includes theft relearn using GM systems like Tis2web/Techline Connect. It is the buyer’s responsibility to ensure that these relearns are completed correctly and in accordance with GM guidelines.
This part will fit these makes and models with these options
2003-2006 Avalanche 1500, including various engine sizes (see below for details).
Compatible engine sizes include:
- 5.3L
- 6.0L