C clinebarger Joined Dec 19, 2013 Messages 9,067 Location Fort Worth, Texas Aug 16, 2025 #21 D60 said: I still find it fascinating everyone wants to ignore the P1380. Wonder what GM guru @clinebarger thinks? Would you chase the 1380 or the 0300 first? Click to expand... Guessing there's a fault with the EBCM/ABS system....If the engine is actively misfiring at idle....Ignore P1380. He needs to monitor live misfire data to see if a cylinder can be identified.
D60 said: I still find it fascinating everyone wants to ignore the P1380. Wonder what GM guru @clinebarger thinks? Would you chase the 1380 or the 0300 first? Click to expand... Guessing there's a fault with the EBCM/ABS system....If the engine is actively misfiring at idle....Ignore P1380. He needs to monitor live misfire data to see if a cylinder can be identified.
