GM Truck Club Forum banner
1 - 2 of 2 Posts

·
Registered
Joined
·
36 Posts
Try taking off the negative battery cable for about 60 seconds to reset the ECM...and then hook it back up. I have a parasitic drain on my 03 and if the batt gets too low and I try to start it, it may start but I will have the problems u have till I rest the ECM again.
 
1 - 2 of 2 Posts
Top