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P1605 Diagnostic Trouble Code Discussion for December 2006

Diagnostic Communication Line Malfunction


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Trouble Ticket Help Requests for DTC P1605
Help Request Posted
2000 Infiniti I30 3.0L MIL Lamp on VIN: JNKCA31A7Y
P1605: TCM Diagnostic Communication Line Malfunction. Has a Current P1605 Trans Diagnostic Communication Line. This is a single Brown and White wire from pin 15 at the TCM to pin 60 at the PCM. This wire has 12v with Key on Engine off and 13.5 with Engine running. I clipped the existing wire and bypassed it with ...
December 12, 2006
2000 Infiniti I30 3.0L MIL Lamp on VIN: JNKCA31A7Y
P1605: TCM Diagnostic Communication Line Malfunction. Has a Current P1605 Trans Diagnostic Communication Line. This is a single Brown and White wire from pin 15 at the TCM to pin 60 at the PCM. This wire has 12v with Key on Engine off and 13.5 with Engine running. I clipped the existing wire and bypassed it with ...
December 12, 2006