Home >> Ford >> 2006 >> Focus ZX5 SE, Standard >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Anti-Theft System - Pats >> Diagnosis And Testing >> Passive Anti-Theft System (PATS) - Pinpoint Tests >> Pinpoint Test D: DTC B1602 - The Passive Anti-Theft System (PATS) Received An Invalid Key Code Format From The Ignition Key Transponder >> Possible Causes