Tex. Prop. Code § 92.061

lieu of existing common law and other statutory law warranties and duties of landlords for maintenance, repair, security, habitability, and nonretaliation, and remedies of tenants for a violation of those warranties and duties. Otherwise, this subchapter does not affect

Tex. Prop. Code § 92.170

repair, or replace security devices and a tenant's remedies for the landlord's failure to install, change, rekey, repair, or replace security devices, except that a municipal ordinance adopted before January 1, 1993, may require installation of security devices