Programmed 2002 Trailblazer PCM 12571178 | Envoy & Bravada | Plug & Play

Restore Your SUV’s Reliability

End the frustration of stalling, poor performance, and check engine lights. This engine computer for your 2002 Trailblazer, Envoy, or Bravada arrives programmed to your VIN for a hassle-free installation. Get back on the road with confidence and the peace of mind you deserve. Add to cart and provide your VIN to get started!

$89.95

+11.99 USPS Priority Shipping

Availability: In stock



SKU: 590-06336-7 Categories: ,
Guaranteed Safe Checkout

Get Your SUV Driving Like New Again

Is your 2002 Trailblazer, Envoy, or Bravada acting up? Experiencing frustrating issues like stalling, rough idling, a persistent check engine light, or even a no-start condition? A failing Powertrain Control Module (PCM) is often the culprit behind these perplexing problems. This isn’t just an inconvenience; it’s a matter of reliability and safety. You need a solution that works right out of the box. This pre-programmed engine computer is the definitive answer, designed to restore your vehicle’s performance and your peace of mind.

Common Symptoms & Your Solution

If you’re dealing with any of the following, a faulty PCM is the likely cause. This unit is the direct solution for:

  • Erratic engine performance, stumbling, or misfiring
  • Difficulty starting or complete no-start issues
  • Poor fuel economy and loss of power
  • Harsh or incorrect automatic transmission shifting
  • Check Engine Light with Diagnostic Trouble Codes (DTCs) like P0601, P0602, P0606, or other communication errors
  • Communication loss with the diagnostic scan tool

Instead of wrestling with a used module from a junkyard or paying steep dealership prices, our service provides a reliable, plug-and-play fix. We flash this 2002 Trailblazer PCM 12571178 with the latest official GM software updates, specifically matched to your vehicle’s unique Vehicle Identification Number (VIN). This ensures seamless integration and optimal operation from the moment you install it.

Features & Benefits

  • โœ” VIN-Programmed for Your Vehicle: Arrives ready to install, no need for expensive dealership programming. Just provide your VIN after purchase and we handle the rest.
  • โœ” Latest GM Software Updates: We flash the module with the most current calibrations from General Motors, ensuring peak performance, fuel efficiency, and emissions compliance.
  • โœ” Direct Fit & Function: Engineered to be a perfect replacement for OEM part numbers 19210066, 12571178, 12576463, 16255240 and others, guaranteeing a hassle-free installation.
  • โœ” Solves Drivability Issues: Eliminates common problems caused by a failing computer, restoring smooth operation and engine health.
  • โœ” This unit is backed by our one-year replacement warranty.

Expert Insight: The Critical Role of VIN Programming

As a technician, I’ve seen countless vehicle owners try to save a few dollars by installing a used PCM without proper programming. The result is almost always a no-start condition due to the vehicle’s anti-theft system (Passlock/VATS) or a cascade of communication errors because the module isn’t configured for the specific options on that truck. By programming the 2002 Trailblazer PCM 12571178 to your exact VIN before we ship, we eliminate that entire headache. Your vehicle’s security system will recognize the new module, and all systems will communicate correctly, making the repair process as simple as possible for you.

Don’t let a faulty computer keep your trusted SUV off the road. This is the most reliable and straightforward way to fix your vehicle’s core electronic issues. By installing this professionally programmed 2002 Trailblazer PCM 12571178, you’re not just buying a part; you’re investing in restored performance and confidence for every trip.

Frequently Asked Questions

Where do I provide my VIN?

After you complete your purchase, you will receive instructions on how to send us your vehicle’s 17-digit VIN. We cannot program and ship the module without it.

Is this part difficult to install?

The physical installation is straightforward for someone with basic mechanical skills. The PCM is located in the engine bay on the driver’s side. After swapping the part, you may need to perform a simple security relearn procedure, which does not require special tools and instructions can be easily found online for your specific model.

Will this fix my specific problem?

This PCM will correct issues directly caused by a failing computer module, including the symptoms and DTCs listed above. However, it’s crucial to ensure your vehicle has been properly diagnosed, as other faulty components (like sensors or wiring) can sometimes mimic PCM failure.

Is this a brand new part?

This is a high-quality replacement part that has been thoroughly tested and prepared to meet or exceed original equipment specifications. It is programmed with the latest software and ready for installation.

What if I have a different part number?

This module is a direct replacement for several part numbers, including 19210066, 12571178, 12576463, and 16255240. As long as your vehicle is a 2002 Trailblazer, Envoy, or Bravada with the engine computer on the left-hand side of the engine, this unit will work once programmed to your VIN.

MPN

12571178

Year

Conditions & Options

Programmed to your VIN GM: 12571178

Genuine OEM

Yes

Condition

Refurbished

PartNumber

590

Model

TRAILBLAZER EXT

Year

2002

Brand

GM

Manufacturer Part Number

, , , , , , ,

Interchange part number

Scroll to Top