Programmed 2006 Trailblazer EXT PCM | 12589585 | Plug & Play ECM ECU

Get Back on the Road with Confidence

End the frustration of a poorly running SUV. This VIN-programmed 2006 Trailblazer EXT PCM is your simple, reliable fix. We handle the complex programming so you can enjoy a smooth installation and restore the dependable performance you trust. Stop worrying about that check engine light and drive with peace of mind. Add to cart now!

$184.95

+11.99 USPS Priority Shipping

Availability: In stock



Guaranteed Safe Checkout

Restore Your Trailblazer’s Performance and Reliability

Is your 2006 Trailblazer EXT running rough, shifting erratically, or showing a persistent check engine light? A failing Powertrain Control Module (PCM) can be the hidden cause behind a host of frustrating issues, bringing your reliable SUV to a standstill. This professionally programmed PCM is the direct, hassle-free solution to restore your vehicle’s factory performance and get you back on the road with confidence. We take the guesswork out of the repair by flashing the module with the latest GM software updates, specifically matched to your vehicle’s VIN before it ships.

Common Symptoms & Your Solution

If you’re experiencing any of the following, a faulty engine computer is the likely culprit. This unit is the definitive fix for these common problems:

  • Erratic or harsh transmission shifting
  • Poor fuel economy
  • Engine stalling or misfiring
  • Failure to pass emissions testing
  • No-start or intermittent starting conditions
  • Check Engine Light with codes like P0601, P0602, P0606, or communication errors

Instead of paying for expensive diagnostics and programming fees at a dealership, this programmed 2006 Trailblazer EXT PCM provides a cost-effective and dependable solution, getting your truck back to its peak operational state.

Features & Tangible Benefits

  • ✔ VIN-Programmed for Your SUV: Arrives ready for installation, eliminating the need for expensive dealership programming tools. Just plug it in and perform the security relearn procedure.
  • ✔ Latest GM Software Updates: We flash the module with the most current software, which can improve fuel efficiency, transmission shifting, and overall engine performance beyond the original factory settings.
  • ✔ Direct-Fit OEM Replacement: Engineered to match the original factory part perfectly, ensuring all connectors and mounting points align for a smooth, straightforward installation.
  • ✔ Rigorously Inspected: Each module undergoes a thorough inspection and testing process to guarantee reliability and performance right out of the box.
  • ✔ One-Year Warranty: This unit is backed by our one-year replacement warranty.
  • ✔ Clears Faulty Logic: A fresh, correctly programmed 2006 Trailblazer EXT PCM resolves deep-seated software glitches that can’t be fixed by simply clearing codes.

An Expert’s Insight: As a technician, I’ve seen countless Trailblazers with mysterious electrical gremlins that trace back to the PCM. A common mistake is replacing sensors repeatedly without checking the source. This module, correctly programmed to your VIN, doesn’t just replace a part; it restores the central nervous system of your engine and transmission, often fixing multiple issues at once. For a flawless startup, always ensure your battery is fully charged and the terminals are clean before installation.

Frequently Asked Questions

Is this module truly ‘plug and play’?

Yes, this module is pre-programmed to your vehicle’s VIN. In most cases, you will only need to perform a simple security relearn procedure (often called CASE or Passlock relearn), which can be done without any special tools and typically takes 15-30 minutes. Instructions are readily available online for this process.

How do I provide my VIN number?

After you place your order, please send us your 17-digit Vehicle Identification Number (VIN). You can typically find it on your vehicle’s registration, insurance card, or on the driver’s side dashboard visible through the windshield. Promptly providing the VIN ensures we can program and ship your part without delay.

Will this fix my specific check engine light?

This programmed 2006 Trailblazer EXT PCM is the direct solution for internal module failures, communication errors, and processor faults (e.g., code P0601). While it resolves the most common causes, we always recommend ensuring your vehicle has been properly diagnosed to rule out issues with wiring, sensors, or other components.

What’s the difference between a PCM, ECM, and ECU?

The terms are often used interchangeably. ECU (Electronic Control Unit) is a general term. ECM (Engine Control Module) specifically controls engine functions. A PCM (Powertrain Control Module), like this one, is more comprehensive and controls both the engine and the transmission functions together.

Does this unit come with a warranty?

Yes, this unit is backed by our one-year replacement warranty, giving you confidence in your purchase.

Condition

Refurbished

Year

Genuine OEM

Yes

MPN

12589585

Brand

GM

Year

2006

Model

TRAILBLAZER EXT

Hardware Type

Interchange part number

Manufacturer Part Number

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