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U1300 Diagnostic Trouble Code Discussion for May 2014

Class 2 Data Line Short To Ground

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Trouble Ticket Help Requests for DTC U1300
Help Request Posted
2001 Buick LeSabre Custom 3.8L No Start, Stall VIN: 1G4HP54K31
U1300: Class 2 Data Line Short To Ground. First off I will say I do not deal with a lot of communication problems at my shop so I am not that good at them. This vehicle will start and run for about 3 seconds then it dies and will not restart till you turn off the key and wait a few mins then it will d...
May 30, 2014