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Old 10-09-2019, 06:12 PM   #6 (permalink)
Low Boost
Join Date: Oct 2019
Posts: 8

ok so went through the link duramaxforlife shared .so when i tested terminal 2 at maf key off was in specs at 1.9ohms says replace ecm.so i jumped to next key off term 4 to ground for iat less than 5ohm checked at 1.8ohm says replace ecm,decided to proceed key on term 3 to ground had 12.16 and last tested volts between term 1 and ground was within spec 5.0v .so every test says replace ECM any diagnostics on pinpoint testing the ecm to know for sure its bad.and if so can i put a used ecm in it does it have to be programmed or can i just install one.thank you very much for the help
2007 chevy silverado 6.6 LBZ
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