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Thread: 2005 Cummins ecm not flashing.

  1. #1
    Potential Tuner
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    Nov 2021
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    1

    2005 Cummins ecm not flashing.

    2005 Cummins g56 ecm not flashing. Gets to 60% then says failed timed out. Fuel pump fuse pulled, disconnected batteries etc. Anyone run into this before and any solutions. Have charger on and voltage is steady. Thanks for any help in advance

  2. #2
    Tuner MAIDENCR's Avatar
    Join Date
    Sep 2018
    Location
    Quebec,canada
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    171
    Make sure ecm have good power...look at connector(obd2 port...tipm connector...ect
    03 cummins,250hp nozzle,dual cp3,s467.7/83 1.00
    Nv5600 with valair triple disc clutch