1997 4.6 gt ecm not communicating

Dave4.6

Member
Feb 6, 2016
16
1
13
51
Houston
I had the remote start put on a 5spd gt now it will not communicate with the ecm with the plugin reader or bluethooth any suggestions
 
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wmburns

SN Certified Technician
Aug 14, 2009
5,437
432
164
Houston Texas
Just wondering. Have you checked all of the fuses in the battery junction box (F1=BJB) and Central Junction Box (F2=CJB)?

1996-1998 BJB & I/P Fuse panel layout

Regarding the remote start. Just wondering. Is this a full remote start or a remote crank? If a full remote start, something has to turn the ignition switch on. I would double check the remote start wiring. Remember that the remote start unit will need to power up the PCM as part of the remote start procedure.
 
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