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C0277 Diagnostic Trouble Code Discussion for September 2015


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Trouble Ticket Help Requests for DTC C0277
Help Request Posted
2006 Cadillac DTS 4.6L starts and stalls VIN: 1G6KD57Y36
can line voltage only tested so far dlc... pin 1 low speed data//1.9 volts...pin 6 high data+//2.3 volts...pin 14 high- //2.3 volts...and pin 7 key word ser data 2.3...starts and stalls mostly cold but after warm up too...with key left on 3 minutes or more in ...
September 11, 2015