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P1260 Diagnostic Trouble Code Discussion for June 2009

Immobilizer System Malfunction

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Trouble Ticket Help Requests for DTC P1260
Help Request Posted
2000 Jaguar XK8 4.0L No Start, Cuts out, Stall VIN: SAJJA42C7Y
P1260: Security Input Malfunction from ECU. ... 2 separate but possibly related concerns; 1) The vehicle cuts out while driving. I experienced this today at low speed and it displayed an ABS/trac fail warning and gearbox fault along with a bump as the gearbox presumably went into limp mode. After exper...
June 09, 2009