anthony920 Posted September 17, 2010 Share Posted September 17, 2010 Any ideas? Checked continuity and voltage on all wires at VECU. Also, checked continuity and voltage on all wires at ECU. Checked all fuses and relays - all good and voltage good. Ohm'ed J1939 wires all good. Installed good test VECU and ECU still no start. Have good fuel pressure. Computer will not talk to data link. Any suggestions will be appreciated. Quote Link to comment https://www.bigmacktrucks.com/topic/15772-mr688-code-64-no-start/ Share on other sites More sharing options...
41chevy Posted September 24, 2010 Share Posted September 24, 2010 Low oil level or low oil pressure will also cause a no start on some systems. Paul Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/15772-mr688-code-64-no-start/#findComment-64112 Share on other sites More sharing options...
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