I can't find anyone to tell me what this code means
It states loss of serial communication between modules.
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1997 Infiniti I30
Question: code PO600
Answer #1mastertech6371 March 22, 2011, 16:52Master
These circuit lines are used to control the smooth shifting up and down of A/T during the hard acceleration/ deceleration. Voltage signals are exchanged between ECM and A/T control unit.
what did the diag you had tell the tech who chcked it?? he should have an answer for you on the failure.
if you had a free code pull, then a full diag is required to see why there is no communication between the tcm and the pcm.