Locklear was given three years of informal probation, will pay a fine and attend a driver's education program, said Lee Carter, Santa Barbara senior deputy district attorney.
Tests revealed no alcohol in Locklear's system following her September arrest, but prosecutors charged her in November with driving under the influence of prescription drugs.
Locklear's attorney, Blair Berk, declined to comment Friday.
The actress, whose credits include "Dynasty," "Melrose Place," did not appear.