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P1605 Diagnostic Trouble Code Discussion for May 2007

Diagnostic Communication Line Malfunction

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Trouble Ticket Help Requests for DTC P1605
Help Request Posted
2002 Nissan Sentra CA 1.8L MIL Lamp on VIN: 3N1CB51D42
P1605: Diagnostic Communication Line Malfunction. The car came in for failing emissions. The owner was unaware of a problem because someone cut the light in the dash so the check engine light would be off. I repaired the light and cleared the codes. Both codes came right back. The codes are for communication ...
May 25, 2007