help got a cat EP18KT. S.NO, ETB5A25461.
with a fault code showing as soon as truck turned on was showing fault 33 but then changed driver board and changed to fault 30. checked doides and transisors seem ok.Pump motor powers up when dissconnected from system and stright off battery. only have limited info on truck but was wondering if the h bridge or logic card could be faulty.
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