05 Cobalt No Crank No Start No Ecm Communication - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 1 (permalink) Old 02-22-2019, 12:56 PM Thread Starter
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05 Cobalt No Crank No Start No Ecm Communication

05 bolt no crank no start no communication with ecm obd2 port has power an ground / changed ecm/bcm/an key switch from running car still nothing can jump the starter relay an will run for 3 sec ? any help would be much appreciated it is a 5 speed so tried bypass clutch switch
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