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P1605 Diagnostic Trouble Code Discussion for October 2004

Diagnostic Communication Line Malfunction


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Trouble Ticket Help Requests for DTC P1605
Help Request Posted
1997 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5V
P1605: Diagnostic Communication Line Malfunction. this vehicle keeps tripping these com link codes indicating no com link between ecm & tcm. After checking the wire fron Pin6 of the ecm to pin 45 of the tcm for a clean ckt I replaced the tcm. the codes still come back I later cut the wire and looked at th...
October 13, 2004
1997 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5V
P1605: Diagnostic Communication Line Malfunction. this vehicle keeps tripping these com link codes indicating no com link between ecm & tcm. After checking the wire fron Pin6 of the ecm to pin 45 of the tcm for a clean ckt I replaced the tcm. the codes still come back I later cut the wire and looked at th...
October 18, 2004
1997 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5V
P1605: Diagnostic Communication Line Malfunction. this vehicle keeps tripping these com link codes indicating no com link between ecm & tcm. After checking the wire fron Pin6 of the ecm to pin 45 of the tcm for a clean ckt I replaced the tcm. the codes still come back I later cut the wire and looked at th...
October 13, 2004
1997 Nissan Maxima GLE 3.0L MIL Lamp on VIN: JN1CA21D5V
P1605: Diagnostic Communication Line Malfunction. this vehicle keeps tripping these com link codes indicating no com link between ecm & tcm. After checking the wire fron Pin6 of the ecm to pin 45 of the tcm for a clean ckt I replaced the tcm. the codes still come back I later cut the wire and looked at th...
October 18, 2004