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P1153 Diagnostic Trouble Code Discussion for July 2009

Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching

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Trouble Ticket Help Requests for DTC P1153
Help Request Posted
1999 GMC Sierra 1500 SLT 5.3L MIL Lamp on, p1153 Or p1133 VIN: 2GTEC19T3X
P1153: Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching. The o2s have been replaced and the monitors will set with no issues after the customer drives for couple of days codes come back! Somtimes 1153 And at others 1133 not both at same time!!
July 30, 2009