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P1153 Diagnostic Trouble Code Discussion for June 2021

Heated Oxygen Sensor (Bank 2 Sensor 1) Insufficient Switching

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Trouble Ticket Help Requests for DTC P1153
Help Request Posted
2008 Chevrolet Suburban 1500 LTZ 5.3L Excessive Emissions, MIL Lamp on VIN: 3GNFK16338
P1153: HO2S insufficient switching B2S1. Hey IATN community, I have a head scratcher here, or maybe I'm just making a mountain out of a molehill. So, the vehicle came to my shop after multiple repairs elsewhere that did not fix issue. Issue was CEL, intermittent misfire, and intermittent low powe...
June 12, 2021