Programmed 2013-2014 Silverado 2500 ECM | 12654088 | Get Back to Work

Get Your Workhorse Back in the Fight

A down truck means lost time and money. This VIN-programmed 2013-2014 Silverado 2500 ECM is the definitive solution to restore the dependability you count on. Forget the dealership hassle—we handle the programming so you can focus on a straightforward installation. Backed by a solid one-year replacement warranty for complete confidence. Get your truck running strong again and order now!

$849.99

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-08144-20 Categories: ,
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Get Your Duramax Back on the Job with a VIN-Programmed Engine Computer

There’s nothing more frustrating than when your heavy-duty truck is down. Whether it’s a no-start condition in the morning or unreliable performance that costs you time and money, a faulty Engine Control Module (ECM) can bring your entire operation to a halt. This genuine GM ECM, part number 12654088, is the definitive solution to restore the power and dependability you rely on. We take the guesswork and dealership hassle out of the equation by professionally programming the unit to your truck’s specific VIN before it ever leaves our facility. This ensures a seamless integration and gets your workhorse running right again.

Common Symptoms of a Failing 6.6L Duramax ECM

A failing engine computer can manifest in numerous ways, often mimicking other component failures. If you’re experiencing any of the following, a faulty ECM is a likely culprit. This programmed 2013-2014 Silverado 2500 ECM is designed to resolve these exact issues:

  • Complete no-start or intermittent starting problems.
  • Engine stalling unexpectedly while driving or at idle.
  • Noticeable loss of power, poor acceleration, or reduced fuel economy.
  • Erratic or harsh transmission shifting.
  • Check Engine Light (CEL) with communication-related Diagnostic Trouble Codes (DTCs), such as U0100.
  • Injector or other sensor-related codes that persist even after replacing the parts.

Features & Benefits: The Right Part, Programmed Correctly

  • âś” VIN-Specific Programming: We flash the module with your vehicle’s exact VIN and the latest GM software updates, ensuring perfect communication with your truck’s systems right out of the box.
  • âś” Restored Engine Performance: A correctly functioning ECM is critical for managing fuel delivery, emissions, and transmission logic. This unit restores your 6.6L Duramax’s factory performance and efficiency.
  • âś” Cost-Effective Solution: Get a reliable, tested OEM part without the exorbitant cost of a brand new computer from the dealership.
  • âś” Guaranteed Fitment: This ECM is a direct replacement for service numbers 12654088 and 12653319, covering a wide range of 2013-2014 GM HD trucks and vans.
  • âś” Peace of Mind Protection: This unit is backed by our one-year replacement warranty.

An Expert’s Note on Duramax ECMs

From over 20 years of hands-on diagnostics, I can tell you that the ECM in a 6.6L Duramax is the command center for a highly complex machine. It doesn’t just manage the engine; it controls a sophisticated network of modules. When we program this 2013-2014 Silverado 2500 ECM to your VIN, we’re not just loading data—we’re ensuring the precise fuel injector flow rates and security parameters are correct for your specific vehicle. While a simple theft deterrent relearn may be necessary on-site using a proper scan tool, having the core programming done correctly beforehand saves hours of diagnostic headaches and prevents potential damage to other components.

Frequently Asked Questions

Is this ECM truly plug-and-play?

It’s very close. Because we program it to your VIN, it has all the correct operational software. However, due to GM’s security systems, you may need to perform a Vehicle Theft Deterrent (VTD) relearn procedure after installation. This syncs the new ECM to your truck’s security system and requires a professional scan tool with GM TIS2WEB access.

How do I provide my VIN number?

After you complete your purchase, simply reply to your order confirmation email with your 17-digit VIN, or we will reach out to you to request it. We cannot ship the module until we have this information to program it correctly.

Will this fit my 2014 GMC Sierra 3500?

Yes, this ECM fits a wide range of 2013-2014 GM HD trucks and vans with the 6.6L Duramax engine, including the Silverado/Sierra 2500/3500 and Express/Savana 2500/3500. Please verify your original part number is 12654088 or 12653319 to ensure a perfect match.

What other relearn procedures might be necessary?

Depending on your vehicle’s specific condition and the work being done, additional procedures like a crankshaft position variation relearn or injector flow rate programming may be required. These are standard procedures for this type of repair and are the responsibility of the installer.

Is this a new or used part?

This is a high-quality, tested, used OEM computer sourced from a salvaged vehicle. This allows us to provide a genuine GM part that offers proven reliability at an excellent value.

Year
Genuine OEM

Yes

Interchange part number

Condition

Seller refurbished

Year

2013

Model

Silverado 2500

Make

Brand

GM

MPN

12654088

Manufacturer Part Number

,

Hardware Type

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