No heat in vehicle - Lexus wants to charge $200 for diagnostics only. Is this necessary or can a other garage do this less expensively?

Visit local independent auto repair facility ... Most up to date repair shops should have the capability of diagnosing this problem!

Without better understanding your vehicle's need it would be hard to quote you a price but we would gladly do a Preliminary Diagnostic at no charge to determine what repair or diagnostic(s) are necessary to fix your problem. Give us a call at 301-662-0421!