Where is the powertrain control module in a 2003 gmc Yukon XL?

In a 2003 GMC Yukon XL, the powertrain control module (PCM) is typically located on the passenger side of the engine compartment, near the firewall. It is mounted on the side of the engine bay, often near the intake manifold. To access it, you may need to remove some covers or components in the area. Always consult the vehicle's service manual for specific instructions and safety precautions.