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P1601 Diagnostic Trouble Code Discussion for December 2006

PCM Serial Communications Malfunction

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Trouble Ticket Help Requests for DTC P1601
Help Request Posted
1996 Chevrolet Cavalier 2.2L No Start VIN: 1G1JC124XT
P1601: Serial Data Bus. ... fire. Theft light on steady, ABS & SIR lights on, low coolant light on with no PRNDL light indicator.Codes P1601(Serial Data) & P1629(Theft Deterant). Scan tool would not communicate with ABS, IPC or SIR. I disconnected ignition switch & had no...
December 28, 2006