2003 TRAILBLAZER EXT PCM 123456 – VIN-Programmed for Optimal Performance

This listing is for a PCM that is programmed/flashed for your vehicle with the newest updates from GM using your VIN to match your vehicle. After you purchase the PCM, you will need to provide us with your VIN so we can program the PCM before we ship it to you.

**What You’ll Get:**

* A pre-programmed PCM specifically designed for your 2003 TRAILBLAZER EXT
* The newest updates from GM to ensure optimal performance and reliability

**Why Choose This Option?**

* Our PGM-HCM is designed to provide improved fuel efficiency, better engine performance, and reduced emissions.
* With our programming, you’ll get the latest software updates to keep your vehicle running smoothly.

**How It Works:**

1. Place an order for the PCM on our website.
2. Provide us with your VIN so we can program the PCM before shipping it to you.
3. Once received, simply install the new PCM in place of the old one.

**Compatibility:**

This PCM is specifically designed for 2003 TRAILBLAZER EXT models. Please ensure that your vehicle matches this description before ordering.