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P0030 Diagnostic Trouble Code Discussion for November 2020

Heated Oxygen Sensor (Bank 1 Sensor 1) Heater Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0030
Help Request Posted
2007 GMC Sierra 1500 Classic SL 5.3L No Start, Stall VIN: 2GTEK19B07
P0030: HO2S Heater control circuit. When truck gets up over 200 degrees it will start to run poor, stall, and not restart. When not starting it will sometimes just crank and other times it will crank and kick back like out of time. When running poor it will set codes listed and show active m...
November 19, 2020