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SouthArk370Z · 02-08-2016, 07:06 PM

P0603 sounds like you scrambled some of the ECM's memory. I'd try disconnecting one of the battery posts, step on brake pedal for a few seconds, and reconnect battery post. That should reset the ECM.

02-08-2016, 07:06 PM	#6 (permalink)
SouthArk370Z Premium Member Join Date: Nov 2010 Location: South Arkansas Posts: 8,435 Drives: 2014 Challenger Rep Power: 324198	P0603 sounds like you scrambled some of the ECM's memory. I'd try disconnecting one of the battery posts, step on brake pedal for a few seconds, and reconnect battery post. That should reset the ECM. __________________ Steering Lock Links - Search The370Z Bookmarklet - FSM @ NICOclub Mankind has progressed past the need for war but we haven't evolved that far. - NachoMahma