Where is the control module on 99 Pontiac grand prix?

The control module on a 1999 Pontiac Grand Prix, commonly referred to as the powertrain control module (PCM), is typically located in the engine compartment. It is mounted on the passenger side, near the firewall, and can be accessed by removing the engine cover if necessary. For more specific tasks, consulting the vehicle’s service manual may provide additional guidance on locating and accessing the module.