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B1600 Diagnostic Trouble Code Discussion for June 2006

PATS Ignition Key Transponder Signal Not Received

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Trouble Ticket Help Requests for DTC B1600
Help Request Posted
2003 Ford Expedition XLT 5.4L PATS System VIN: 1FMRU15L33
B1600: PATS Ignition Key Transponder Signal not Received. ... code B1681 Pats Transceiver Module Signal Not Received. This has occurred 2 times and each time it is towed in the battery is dead, any ideas on why the battery is pulled down. The first time this B1681 set I could not find any circuit issues when using th...
June 26, 2006