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P0155 Diagnostic Trouble Code Discussion for May 2006

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2002 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W42
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. maf tps map readings @signal wire at pcm are the same as above but readings on scan tool are zero all the time i have 5v ref ground at all sensors all sensors ohm out o.k.
May 30, 2006
2002 Chevrolet Blazer LS 4.3L MIL Lamp on VIN: 1GNCT18W42
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. maf tps map readings @signal wire at pcm are the same as above but readings on scan tool are zero all the time i have 5v ref ground at all sensors all sensors ohm out o.k.
May 30, 2006