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P0155 Diagnostic Trouble Code Discussion for August 2009

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance

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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2000 Dodge Dakota 4.7L MIL Lamp on VIN: 1B7GL22NYS
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. This vehicle has codes for both upstream heater circuits inop. The relay is not being activated by the PCM. Following the diagnostic flow charts takes us to a spot where it says to activate the relay. Then if the voltage is below 10 volts, which it is, then re...
August 25, 2009
2001 Nissan Sentra GXE 1.8L Cuts out, Poor Fuel Economy, MIL Lamp on VIN: 3N1CB51D01
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... with a P0155 bank 2 sensor 1 code. This car has been worked by many other shops and messed around with the oxygen sensor connector. As far as the history to this vehicle all 4 oxygen sensor have been replaced I know that the 2 top oxygen sensor connector c...
August 29, 2009