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P1600 Diagnostic Trouble Code Discussion for October 2011

PCM Battery Backup Circuit Malfunction

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Trouble Ticket Help Requests for DTC P1600
Help Request Posted
2002 Ford Focus LX 2.0L No Start, no crank VIN: 1FAFP33P42
P1600: no key code received. ok heres one for the ford guys out there. i have a 2002 focus with a no start and the security light is flashing. i have checked the ignition switch and everything is ok there. i have a good 5 volt reference.the clutch switch not receiving ground from the comp...
October 29, 2011