Programmed 2007 Silverado 3500 ECM 12597121 | Direct Fit & Ready to Install

Restore Your Truck’s Core Command

This Engine Control Module for your 2007 Silverado 3500 arrives fully programmed to your vehicle’s VIN. It directly replaces part number 12597121 and others, solving no-start conditions, erratic behavior, and communication codes. Get the right part, flashed with the latest GM software, ready for installation. Order today to get your vehicle running right.

$134.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-00399-44 Categories: ,
Guaranteed Safe Checkout

Get Your Truck Back to Work, Fast.

Is your truck or SUV suddenly stalling, refusing to start, or throwing a frustrating Check Engine Light? A failing Engine Control Module (ECM) can bring your vehicle to a complete halt, costing you time and money. This replacement ECM is the reliable, straightforward solution to get your vehicle running like new again. It arrives at your door pre-programmed to your vehicle’s specific VIN, loaded with the latest GM software updates. This eliminates the need for expensive dealership programming, allowing for a direct, hassle-free installation.

Common Symptoms & Your Solution

If you’re experiencing any of the following issues, a faulty ECM is the likely culprit. This module is the definitive fix for:

  • Complete no-start condition
  • Engine stalling or sputtering intermittently
  • Poor fuel economy and reduced engine power
  • Check Engine Light with communication-related Diagnostic Trouble Codes (DTCs) like U0100, P0601, or P0606
  • Transmission shifting problems or other electronic module errors

By installing our professionally programmed 2007 Silverado 3500 Programmed ECM 12597121, you’re not just replacing a part; you’re restoring the brain of your vehicle’s engine management system for dependable performance.

Features & Benefits

  • ✔ VIN-Specific Programming: We flash the module with your vehicle’s exact VIN, ensuring 100% compatibility with its factory options and security systems.
  • ✔ Ready for Installation: This ECM is a true plug-and-play solution. No extra trips to the dealer for expensive programming are required.
  • ✔ Updated GM Software: Your module comes loaded with the newest factory software, which can improve performance, fuel efficiency, and emissions over the original programming.
  • ✔ Broad Compatibility: Replaces multiple part numbers including 12589297, 12597121, 12603892, and 19210738, fitting a wide range of GM trucks, SUVs, and cars.
  • ✔ Guaranteed Protection: This unit is backed by our one-year replacement warranty.

Expert Insight from a 20-Year Tech: Before you replace your ECM, always perform a full battery and charging system test. A weak battery or a poor ground connection (especially the main block-to-chassis ground) can mimic ECM failure. I’ve seen countless vehicles where a simple $15 ground strap fixed an issue that looked like a thousand-dollar computer problem. Check the simple things first to ensure you’re replacing the right part.

Don’t let a faulty computer keep your vehicle sidelined. This is the most reliable and efficient way to solve your ECM problems. By providing us with your VIN at checkout, you ensure that the 2007 Silverado 3500 Programmed ECM 12597121 you receive is perfectly matched to your vehicle, getting you back on the road with confidence.

Frequently Asked Questions

What is VIN programming and why is it required?

VIN programming is the process of loading your vehicle’s unique 17-digit Vehicle Identification Number and its specific factory software onto the ECM. This is crucial because it allows the module to communicate correctly with the other computers in your vehicle, such as the transmission controller and anti-theft system. Without it, the vehicle will not start or run properly.

Do I need to do anything else after installing this ECM?

In most cases, this is a direct-fit part that requires no further action. However, some vehicles may require a simple security relearn procedure, which can typically be done without special tools and takes about 30 minutes. Instructions are readily available online for this process.

Is this part compatible if my original part number is different?

Yes. This ECM, part number 12597121, is a direct replacement for several other GM part numbers, including 12589297, 12603892, and 19210738. As long as your vehicle is on the compatibility list, this module will function correctly once programmed to your VIN.

How do I provide my VIN?

After you complete your purchase, you will need to send us your vehicle’s 17-digit VIN. You can typically add it as a note during checkout or reply to your order confirmation email. We cannot program and ship the module without it.

What does the one-year replacement warranty cover?

The warranty covers the module for one year from the date of purchase. If the unit fails due to an internal defect within that period, we will provide a replacement unit. It covers the part itself, not diagnostic fees, labor, or other incidental costs.

Genuine OEM

Yes

Year

Condition

Refurbished

MPN

12597121

Interchange part number

PartNumber

590

Model

Silverado 3500

Year

2007

Brand

GM

Manufacturer Part Number

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