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U1301 Diagnostic Trouble Code Discussion for July 2007

Class 2 Data Line Short To Voltage

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Trouble Ticket Help Requests for DTC U1301
Help Request Posted
2001 Oldsmobile Intrigue GX 3.5L No Start VIN: 1G3WH52H61
U1301: Class 2 Data Line Short To Voltage. June 12th car came in for a no-start. After all tests performed, found had 8 volts on serial data line. Replaced Pcm(Ac Delco reman)& car started(voltage on that circuit went to below .5 volts) Last night car towed in with same problem. Had 8 volts on seri...
July 24, 2007