lb7 u1300 ebcm,u1000ddm int. no crank - Diesel Place : Chevrolet and GMC Diesel Truck Forums
 
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Old 02-17-2011, 10:09 PM   #1 (permalink)
harleyd33
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lb7 u1300 ebcm,u1000ddm int. no crank

my 03 wouldnt crank, turn key on jump starter truck would run. replaced ignition switch, still no crank, went through all fuses and cleared codes truck started fine for a week. Now getting intermittent no crank. efi codes are u1300 class 2 data link low and u1000 class 2 data link. Need some help guys, driving me nuts. Any help will be greatly appreciated.
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Old 02-17-2011, 10:21 PM   #2 (permalink)
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Maybe a crank sensor
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