Cadillac Allante body control module issue causing headlights not to turn on on Cadillac Allante

Some Cadillac Allante owners report experiencing issues with headlights not turning on due to problems with the body control module (BCM). These owners note that the BCM is responsible for controlling various electrical functions, including the headlights, and a malfunctioning BCM can lead to erratic dashboard warning lights or flickering lights. Additionally, water ingress can damage the BCM, resulting in corroded connections and electrical shorts that may require replacement or repair of the module. Troubleshooting the Allante's sophisticated lighting system, which uses solid state switches operated by the BCM, often necessitates referencing a factory service manual. Some owners have also encountered diagnostic trouble code P00FF, indicated by the Malfunction Indicator Lamp (MIL) illuminating on the dashboard. If parts for the park light control module are difficult to find, a rewiring of the headlight/park light system may be necessary for manual control. Understanding these issues and the BCM's role is crucial for effective resolution.