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P1602 Diagnostic Trouble Code Discussion for March 2016

Powertrain Control Module Not Programmed


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Trouble Ticket Help Requests for DTC P1602
Help Request Posted
2010 Ford Expedition EL XLT 5.4L MIL Lamp on VIN: 1FMJK1F59A
P1602: Imobilizer/ ECM Comm error. I've got a strange one here. Customer complaint is check engine lamp comes on but only when he drives above 80 miles per hour and then goes out. What??? Got a few codes from instrument cluster module but anything to do with this issue? I don't know. Any Ford t...
March 19, 2016
2010 Ford Expedition EL XLT 5.4L MIL Lamp on VIN: 1FMJK1F59A
P1602: Imobilizer/ ECM Comm error. I've got a strange one here. Customer complaint is check engine lamp comes on but only when he drives above 80 miles per hour and then goes out. What??? Got a few codes from instrument cluster module but anything to do with this issue? I don't know. Any Ford t...
March 20, 2016