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B1602 Diagnostic Trouble Code Discussion for August 2004

PATS Received Invalid Format of Key Code From Ignition Key Transponder

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Trouble Ticket Help Requests for DTC B1602
Help Request Posted
1999 Ford F-250 4.6L No Start VIN: 22FTPF28WX
B1602: invalid key cd. ... start has spark but no injector pulse pcm sets code p1260 theft detected, security light flashes and pats system sets code b1602 invalid key cd customer does not have a spare key. i tested for power and grounds at pats transceiver module underneath steerin...
August 21, 2004