Programmed 2006 GMC Envoy XL PCM | 12604439 | Plug & Play ECU

Get Back on the Road with Confidence

End the frustration of a faulty engine computer. This VIN-programmed PCM for your 2006 GMC Envoy XL arrives ready to install, eliminating the need for an expensive dealer visit. Enjoy smooth performance and peace of mind again. Add to cart to get your reliable SUV back!

$184.95

+11.99 USPS Priority Shipping

Availability: In stock



Guaranteed Safe Checkout

Is Your Envoy XL Running Out of Steam?

Is your 2006 GMC Envoy XL suffering from a persistent check engine light, rough idling, poor fuel economy, or even a frustrating no-start condition? These are classic signs of a failing Powertrain Control Module (PCM), the electronic brain of your vehicle. A faulty PCM can disrupt everything from engine timing to transmission shifting, leaving your otherwise dependable SUV unreliable and stressful to drive. Don’t let a bad computer sideline your vehicle. We have the precise, hassle-free solution to get you back on the road with confidence.

Common Symptoms & Your Direct-Fit Solution

If you’re experiencing any of the issues below, a failing PCM is the likely culprit. Common Diagnostic Trouble Codes (DTCs) pointing to internal computer failure include P0601, P0602, P0604, and P0606. This part is the definitive fix for:

  • Unexplained Check Engine Light Illumination
  • Erratic or Harsh Transmission Shifting
  • Engine Stalling or Misfiring
  • Significant Decrease in Fuel Efficiency
  • Complete No-Start or Intermittent Starting Issues

This isn’t just a replacement part; it’s a complete, ready-to-install solution. We provide a fully programmed 2006 GMC Envoy XL PCM, flashed with the latest GM software updates specifically for your vehicle’s unique Vehicle Identification Number (VIN). This ensures perfect communication and performance from the moment you install it.

Features & Benefits

  • ✔ True Plug & Play Installation: Because we program the unit to your VIN, it arrives ready to install. There’s no need for an expensive trip to the dealership for additional programming.
  • ✔ Updated GM Software: Your module comes loaded with the newest factory calibrations, ensuring optimal engine performance, fuel efficiency, and emissions control.
  • ✔ Solves Annoying Drivability Issues: Restore the smooth idle, crisp acceleration, and reliable performance you expect from your Envoy XL.
  • ✔ Guaranteed Compatibility: This unit is a direct replacement for a wide range of original part numbers, including 12569773, 12588650, 12604439, and more, ensuring a perfect fit.
  • ✔ Dependable Coverage: This unit is backed by our one-year replacement warranty.

An Expert’s Insight: The Critical Role of VIN Programming
From over 20 years in the garage, I can tell you that VIN-specific programming is non-negotiable for modern vehicles. Your Envoy XL has dozens of specific settings for its engine, transmission, and options package. A generic, un-programmed module simply won’t work correctly. Our process creates an exact digital clone of your vehicle’s original factory settings, updated with any improvements from GM. This is the difference between a temporary patch and a lasting, reliable repair that restores your vehicle’s core functionality.

Stop guessing and start driving. By providing us with your VIN after purchase, you’re ensuring you get the right part, programmed correctly, the first time. This programmed 2006 GMC Envoy XL PCM is the most efficient and reliable way to solve complex electronic issues and restore your vehicle’s health.

Frequently Asked Questions

Do I need to do any programming or flashing myself?

Absolutely not. The unit arrives at your door fully programmed to your vehicle’s VIN and is ready for immediate installation. It’s a true plug-and-play solution.

Where do I provide my vehicle’s VIN?

After you complete your purchase, we will send you a message requesting your VIN. Simply reply to that message, and our technicians will handle the rest before shipping your part.

Will this fix my check engine light?

If the check engine light is caused by an internal failure of the old PCM (such as code P0601), this part will resolve the issue. It’s crucial to ensure the PCM is the actual source of the problem, as this part will not fix issues caused by other faulty sensors or components.

What is the security relearn procedure?

In some cases, a simple security relearn procedure, also known as a key relearn, is required after installation. This process is straightforward, takes about 30 minutes, and can be done without any special tools. We include easy-to-follow instructions with your order.

Is this a brand new part from GM?

This is a high-quality, fully tested component that has been expertly prepared to meet and exceed all original factory specifications, ensuring reliable, long-term performance for your vehicle.

Will this work if my vehicle is modified?

Our programming is based on the original, stock configuration of your vehicle as determined by the VIN. It is not designed for vehicles with significant aftermarket modifications such as turbochargers, different engine sizes, or non-stock injectors.

Condition

Refurbished

Year

Genuine OEM

Yes

MPN

12604439

Brand

GM

Year

2006

Model

ENVOY XL

Hardware Type

Interchange part number

Manufacturer Part Number

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