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U1301 Diagnostic Trouble Code Discussion for March 2007

Class 2 Data Line Short To Voltage


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Trouble Ticket Help Requests for DTC U1301
Help Request Posted
2003 Chevrolet Cavalier LS 2.2L No Start VIN: 1G1JF52F63
U1301: Class 2 Data Line Short To Voltage. ... start, once in forty or fifty starts. When no start occurs theft light stays on, shift interlock will not release and computer will not communicate. There were two u codes related to open and short in communication bus (u1301 & u1302). At one point the...
March 21, 2007