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U1301 Diagnostic Trouble Code Discussion for September 2013

Class 2 Data Line Short To Voltage

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Trouble Ticket Help Requests for DTC U1301
Help Request Posted
2004 Chevrolet Silverado 2500 6.0L No Start, No Communication VIN: 1GCHK24U34
U1301: Class 2 Data Line Short To Voltage. Vehicle has following symptoms: no crank, no start, no communication with PCM or TCM. Trying to use AESwave Linespi, but not sure what pins to probe (no user manual provided). Need help on resolving the no communication problem. Fuse for cigarette lighter was ...
September 04, 2013