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U0101 Diagnostic Trouble Code Discussion for February 2012

Lost Communication With TCM

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Trouble Ticket Help Requests for DTC U0101
Help Request Posted
2004 GMC Sierra 2500 HD SLE 6.6L No Start VIN: 1GTHK23264
U0101: desc. unavailable. this truck was sent to me after the above repair was done. the dealer told the r/o that they were unable to find anything wrong.we first confirmed correct glow plugs were used, they were. what happens is the glow plug cycle is over in two or less seconds. load...
February 13, 2012