Are you tired of dealing with a faulty engine control module (ECM) in your 2003-2006 GMC Escalade EXT? Do you want to restore your vehicle’s original performance and reliability without breaking the bank? Look no further! This pre-programmed 12589463 ECM is designed to meet or exceed OEM specifications, ensuring seamless integration with your vehicle’s systems.
- Restores original ECM function for smooth engine operation
- OEM-equivalent build ensures long-lasting reliability and durability
- 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 Escalade EXT variants (expand from data, e.g., engine sizes like 6.0L)
No more sluggish acceleration on highways or rough idling at stoplights. This ECM replacement will have your Escalade EXT running like new in no time. Unlike failing factory modules triggering codes, this restores efficiency and performance without any modifications.
Pair with a diagnostic tool for optimal results – here’s how: use a code reader to diagnose the issue before swapping the ECM. This ensures you’re addressing the root cause of the problem, not just symptoms.
Important Installation Notes
Relearn procedures may be required after installation (e.g., theft relearn using GM systems like Tis2web/Techline Connect). It’s essential to follow proper installation and setup procedures to avoid any issues. End-user responsibility for relearns/setup like injector/crankshaft variation is crucial for optimal performance.
CTA: Order your pre-programmed ECM today and rediscover reliable driving in your 2003-2006 GMC Escalade EXT!
This part will fit these makes and models with these options
2003 – 2006 GMC Escalade EXT Electronic Control Module; (LH front under battery), ID 12602802. Compatible with various engine sizes, including 6.0L.