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U1300 Diagnostic Trouble Code Discussion for February 2012

Class 2 Data Line Short To Ground


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Trouble Ticket Help Requests for DTC U1300
Help Request Posted
2004 Cadillac CTS 3.6L See Text VIN: 1G6DM57744
U1300: Class 2 Data Line Low Voltage. ... in because shifter won't come out of Park and now key won't release to take out, stays in accessory , but will crank and run. Has U1300 in ECM, and U1000 in all other modules except Rear Integration Module, which does no...
February 09, 2012
2004 Cadillac CTS 3.6L See Text VIN: 1G6DM57744
U1300: Class 2 Data Line Low Voltage. ... in because shifter won't come out of Park and now key won't release to take out, stays in accessory , but will crank and run. Has U1300 in ECM, and U1000 in all other modules except Rear Integration Module, which does no...
February 09, 2012