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B1602 Diagnostic Trouble Code Discussion for December 2010

PATS Received Invalid Format of Key Code From Ignition Key Transponder

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Trouble Ticket Help Requests for DTC B1602
Help Request Posted
2002 Mercury Sable GS 3.0L No Start, Poor Idle Quality, Cuts out, Stall, Misfire, Battery light VIN: 1MEFM50U02
B1602: Pats recieved invalid fmt/key cd. Has pcm code b1602 & gem code b1318, the engine stalls when driving or at idle, it is missing & running very rich, battery light is staying on, the alternator is not charging, when it stalls it loses injector pulse, when cycle the key on & off inje...
December 28, 2010