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P0155 Diagnostic Trouble Code Discussion for March 2006

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
1998 Oldsmobile Bravada 4.3L MIL Lamp on VIN: 1GHDT13W3W
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. customer complains of ses light on. pulled codes for o2s heater circuit. replaced o2s twice. also o2 heater circuit fuse blows.have tested all wiring and found no problems at time of testing. grounds are good. assume short, but unable to locate. any ideas or s...
March 09, 2006
1998 Oldsmobile Bravada 4.3L MIL Lamp on VIN: 1GHDT13W3W
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. customer complains of ses light on. pulled codes for o2s heater circuit. replaced o2s twice. also o2 heater circuit fuse blows.have tested all wiring and found no problems at time of testing. grounds are good. assume short, but unable to locate. any ideas or s...
March 10, 2006
2000 Ford F-150 Lariat 5.4L Cuts out, Misfire, MIL Lamp on VIN: 1FTRX17L5Y
P0155: o2s heater fault b2s1. This truck came in with engine stalling. Check codes found multiple codes for o2s, trany and evap systems (13 codes in all). I check computer grounds and powers found good. Check connections found good, fuses are all good.Exhaust back pressure normal. Tune up ...
March 24, 2006
1997 Dodge Ram 1500 Laramie 3.9L Emission monitors VIN: 1B7HC16XXV
P0155: O2 sensor heater failure code 21. This Vehicle was brought in for a emission failure. I replace the O2 sensors and the converter; as tested bad. I told the custmer to drive it for a week, for reason to set the emission monitors. After a week and 400 miles, the TWC (Three way catalytic converte...
March 28, 2006