Programmed 2007 Avalanche 1500 Engine Control Module ECM 19210738

Restore Peak Performance to Your 2007 Avalanche 1500

Is your truck suffering from a persistent check engine light, rough idling, stalling, or poor fuel economy? These are classic signs of a failing Engine Control Module (ECM), the electronic brain of your vehicle. A faulty ECM can cause a cascade of frustrating and hard-to-diagnose issues, leaving you stranded or dealing with unpredictable performance. This isn’t just an inconvenience; it’s a critical component failure that affects your vehicle’s reliability and safety. Don’t let a bad computer dictate your truck’s health.

We offer a direct, reliable solution with this genuine replacement 2007 Avalanche 1500 Engine Control Module. The biggest hurdle with ECM replacement is typically the expensive and time-consuming programming required at a dealership. We eliminate that step entirely. Before we ship your part, our experienced technicians will flash it with the latest official GM software updates, precisely coded to your truck’s specific Vehicle Identification Number (VIN). This ensures seamless communication with all other vehicle systems, restoring factory performance and efficiency right out of the box.

Is Your Truck Showing These Symptoms?

A failing ECM can manifest in many ways. If you’re experiencing any of the following, it’s a strong indicator that your engine computer needs attention:

• ✔ Check Engine Light is on with codes like P0601, P0602, P0606, or U0100.
• ✔ Engine cranks but refuses to start.
• ✔ Unexplained drops in fuel mileage.
• ✔ Rough or erratic engine idling.
• ✔ Hesitation or stumbling during acceleration.
• ✔ Automatic transmission shifts harshly or at the wrong times.
• ✔ The vehicle stalls unexpectedly while driving or at a stop.

A Straightforward Guide to Installation

Replacing the ECM on most of these GM vehicles is a job you can do at home with basic hand tools. Our pre-programming service makes it a true plug-and-play process.

1. Safety First: Always disconnect the negative terminal from your vehicle’s battery and wait a few minutes before starting work.
2. Locate the ECM: On your 2007 Avalanche 1500 (and most similar GM trucks/SUVs), the ECM is located in the engine bay on the driver’s side, typically under or near the battery tray. On other compatible vehicles, it may be in the air cleaner box or on the firewall.
3. Disconnect the Connectors: Carefully release the locking tabs on the wiring harness connectors and pull them straight out from the module. Avoid pulling on the wires themselves.
4. Remove the Old Module: Unbolt the old ECM from its mounting bracket. Keep the hardware, as you may need it for the new module.
5. Install the New Module: Bolt your new, pre-programmed ECM into place. Reconnect the wiring harnesses, ensuring they click securely into position.
6. Reconnect the Battery: Reattach the negative battery terminal. The vehicle may need to complete a security relearn procedure, which often involves turning the key to the ‘On’ position for 10-15 minutes. Consult your owner’s manual for specific steps if needed.

By purchasing this pre-programmed 2007 Avalanche 1500 Engine Control Module, you are not just buying a part; you are buying a complete, hassle-free solution to get your vehicle running right again.

Verified Vehicle Compatibility

This module is a direct replacement for part numbers 12589297, 12597121, 12603892, and 19210738. It is guaranteed to fit the following vehicles, provided the options match. We will confirm perfect compatibility when you provide your VIN for programming.

Frequently Asked Questions