Where is the body control module on a 1999 Cadillac Seville STS?

The body control module (BCM) on a 1999 Cadillac Seville STS is typically located under the dashboard on the driver's side, near the steering column. It may be mounted to the dashboard support or the vehicle's firewall. To access it, you may need to remove some trim panels or the lower dash cover. Always consult the vehicle’s service manual for specific instructions and safety precautions.