That's unrelated to the light issue. You want to perform a security learn for the new PCM. It takes a bit more than 45 minutes. Especially if you screw up and need to do it again.

Set the parking brake to disable the daytime running lights system to avoid draining the vehicles battery.

Try to start the vehicle by turning key to the START position.
Allow the key to fall back into the ON position. DO NOT TURN THE KEY TO THE OFF POSITION.
After no less than fifteen minutes turn OFF the ignition and wait for ten seconds.

Try to start the vehicle by turning key to the START position.
Allow the key to fall back into the ON position. DO NOT TURN THE KEY TO THE OFF POSITION.
After no less than fifteen minutes turn OFF the ignition and wait for ten seconds.

Try to start the vehicle by turning key to the START position.
Allow the key to fall back into the ON position. DO NOT TURN THE KEY TO THE OFF POSITION.
After no less than fifteen minutes turn OFF the ignition and wait for ten seconds.

Start the vehicle.