**2003 – 2007 SIERRA 3500 PICKUP PCM 12589463 – VIN-Programmed for Safe Engine Operation**
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.
**Description:**
* Year Range: 2003 – 2007
* Make and Model: SIERRA 3500 PICKUP
* Part Number: 12589463
* Programming Type: VIN-Programmed
**Compatibility:**
This part is compatible with the following services numbers:
89017750 12582605 12589463 12602802 89017734 28042802ย
**Installation Instructions:**
1. Purchase the PCM and provide your VIN to us for programming.
2. Once programmed, install the PCM in your vehicle according to the manufacturer’s instructions.
**Warranty:**
This part is covered by a limited warranty. For more information, please contact our customer service department.
**Return Policy:**
If you are not satisfied with this product, you may return it within 30 days for a full refund. Please see our return policy for details.
**Disclaimer:**
This product is designed to work with the specified make and model of vehicle only. Installation by an authorized dealer or technician is recommended to ensure proper installation and functionality.