Cal. Ins. Code § 1874.4

In the absence of fraud or malice, no insurer, or agent authorized by an insurer to act on behalf of the insurer, and no authorized governmental agency or its employees, shall be subject to any civil liability in a cause of action of any kind for releasing or receiving any information pursuant to Section 1874.1 or 1874.2. Nothing in this chapter is intended to, nor does in any way or manner, abrogate or lessen the existing common law or statutory privileges and immunities of an insurer, agent authorized by that insurer to act on behalf of the insurer, or of any authorized governmental agency or its employees.