B1602 - what is this code f150 fx4 2008

Question

im getting b1602 code on f150 fx4 2008 cant find what it means

Answer 1

B1602 Invalid key,This means that a partial (PAT was read) on you key ring make sure you no other Pats key are near the ignition switch that may be interfering with your key.Another cause for this code to set is the use of a remote starting,Also make sure the key you are using is programmed into the system and is a valid key