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P1260 Diagnostic Trouble Code Discussion for September 2006

Immobilizer System Malfunction

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Trouble Ticket Help Requests for DTC P1260
Help Request Posted
1999 Ford Expedition Eddie Bauer 4.6L No Start, VIN: 1FMRU1769X
P1260: Theft Detected - Vehicle Immobilized. ... present. When it won't start found codes P1260 in PCM, U1147 & U1262 in PATS (HEC). Power and grounds to (HEC) are ok. Followed Alldata flow chart for U1147 and replace Instrument Pack (HE...
September 09, 2006