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P0156 Diagnostic Trouble Code Discussion for April 2014

Heated Oxygen Sensor (Bank 2 Sensor 2) Closed Loop Fuel Control

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Trouble Ticket Help Requests for DTC P0156
Help Request Posted
2004 Toyota Tundra Limited 4.7L MIL Lamp on VIN: 5TBDT48154
P0156: Heated Oxygen Sensor (Bank 2 Sensor 2) Circuit Malfunction. Recuiring p0156, replace o2. Comes back occasinally o2 test good. Found tsb on replacing o2's and flash ecm. However checking mode 6 data ecu $10 test id $08 component $01 min value is 184, it is about to fail. The value is 185. Can't find info to identify fai...
April 14, 2014