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P0155 Diagnostic Trouble Code Discussion for September 2010

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2004 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y64
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... sensor heater circuits. B2S1 sensor heater element was open. Replaced the sensor. Cleared PCM. All three codes came back. O2 heater fuse is good. Checked ciruits for continuity. They check out good. Load tested circuits with headlight bulb. The bulb shines...
September 10, 2010
2006 Ford Ranger Sport 4.0L MIL Lamp on, failsafe mode VIN: 1FTYR15E46
P0155: H O2 S2 - 1 heater circuit fault. Towed vehicle in because customer parked vehicle in parking lot for about an hour; no prior symptoms. When he came back to truck and started it, it went into failsafe; engine light came on and O/D light flashed. Barely moved on acceleration. When vehicle came ...
September 13, 2010
2004 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y64
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... sensor heater circuits. B2S1 sensor heater element was open. Replaced the sensor. Cleared PCM. All three codes came back. O2 heater fuse is good. Checked ciruits for continuity. They check out good. Load tested circuits with headlight bulb. The bulb shines...
September 14, 2010
1998 Ford Expedition Eddie Bauer 4.6L MIL Lamp on VIN: 1FMRU18WXW
P0155: o2 heater malfunction bank 2 sensor 1. vehicle would not pass inspection,mil light present but not on(bulb not working)had 3 codes egr flow ins.[...] malf.bank 1 sensor 1 bank 2 sensor 1.replaced 1 sensor reset codes on sensors comes back on in less than a minute.
September 26, 2010
2005 Ford E-450 Super Duty 6.8L MIL Lamp on VIN: 1FDXE45S85
P0155: HO2S21 heater circuit fault. ... public transportation bus on an RV cutaway chassis. I have codes for both front O2 heater circuits (P0135, P0155) and EVAP purge control fault (P0443). Everything is testing good, Both front O2 heaters Ohm at 5.0 Ohms, purge valve Ohms at 4.3 Ohms. I have ...
September 29, 2010
2004 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y64
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... sensor heater circuits. B2S1 sensor heater element was open. Replaced the sensor. Cleared PCM. All three codes came back. O2 heater fuse is good. Checked ciruits for continuity. They check out good. Load tested circuits with headlight bulb. The bulb shines...
September 10, 2010
2006 Ford Ranger Sport 4.0L MIL Lamp on, failsafe mode VIN: 1FTYR15E46
P0155: H O2 S2 - 1 heater circuit fault. Towed vehicle in because customer parked vehicle in parking lot for about an hour; no prior symptoms. When he came back to truck and started it, it went into failsafe; engine light came on and O/D light flashed. Barely moved on acceleration. When vehicle came ...
September 13, 2010
2004 Cadillac DeVille 4.6L MIL Lamp on VIN: 1G6KD54Y64
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... sensor heater circuits. B2S1 sensor heater element was open. Replaced the sensor. Cleared PCM. All three codes came back. O2 heater fuse is good. Checked ciruits for continuity. They check out good. Load tested circuits with headlight bulb. The bulb shines...
September 14, 2010
1998 Ford Expedition Eddie Bauer 4.6L MIL Lamp on VIN: 1FMRU18WXW
P0155: o2 heater malfunction bank 2 sensor 1. vehicle would not pass inspection,mil light present but not on(bulb not working)had 3 codes egr flow ins.[...] malf.bank 1 sensor 1 bank 2 sensor 1.replaced 1 sensor reset codes on sensors comes back on in less than a minute.
September 26, 2010
2005 Ford E-450 Super Duty 6.8L MIL Lamp on VIN: 1FDXE45S85
P0155: HO2S21 heater circuit fault. ... public transportation bus on an RV cutaway chassis. I have codes for both front O2 heater circuits (P0135, P0155) and EVAP purge control fault (P0443). Everything is testing good, Both front O2 heaters Ohm at 5.0 Ohms, purge valve Ohms at 4.3 Ohms. I have ...
September 29, 2010