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P1601 Diagnostic Trouble Code Discussion for August 2009

PCM Serial Communications Malfunction

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Trouble Ticket Help Requests for DTC P1601
Help Request Posted
1996 Chevrolet Cavalier 2.2L Hesitation, MIL Lamp on, IP LIGHTS CAME ON VIN: 3G1JF245TS
P1601: pcm serial communication or ecm over temperature. Hi,Members I got this 1 with a complaint of no power SES on and most of the I/P Lights become ON (anti theft airbag abs battery and etc,) and the RPM Needle fall down. I tried to check the I/P OUTSIDE FROM THE CAR - and I didn't see any thing that looks like l...
August 10, 2009