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P1260 Diagnostic Trouble Code Discussion for December 2012

Immobilizer System Malfunction

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Trouble Ticket Help Requests for DTC P1260
Help Request Posted
1999 Ford F-150 Lariat 5.4L No Start VIN: 2FTRX18L4X
P1260: Theft Detect Engine Disabled. ... to communicate with PCM, can communicate with all other modules. Had 20 memory codes in all modules. Ran tests, found faulty PCM, installed customer supplied used PCM (not available from Ford anymore). Now have communication with PCM with the above trouble...
December 27, 2012