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P0155 Diagnostic Trouble Code Discussion for April 2009

Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Performance


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Trouble Ticket Help Requests for DTC P0155
Help Request Posted
2001 BMW 525i 2.5L MIL Lamp on VIN: WBADS43451
P0155: O2 sensor heater circuit malfuntion bank 2 sensor 1. Hi, fellow techs, I need some help on this 525i wagon.The vehicle came in with multiple codes.I have replaced B2 S1 O2 sensor and broken PCV hose from crankcase vent valve to oil dip stick tube to fix lean codes and O2 heater code.Now,I have a problem checking...
April 02, 2009
1999 Cadillac Catera 3.0L Hesitation, Misfire VIN: W06VR52R1X
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... should have battery voltage key on engie off to the heater circuit? This one does not. Which fuse in the fuse panel below the stearing wheel is supplying the heater circuit for this o2 sensor? This car has cold driveability problems and I am thinking that ...
April 06, 2009
2001 Ford Escape XLS 3.0L MIL Lamp on VIN: 1FMYU02181
P0155: Heater ckt. B2S1 HO2S. System setting DTCs as noted. Last week was in for MIL and misfire. Misfire was partially broken coil driver wiring at the ECM connector. Replaced B1S1 for DTC P0135 last week. Now setting heater ckt. DTCs for both B1/B2 sensor 1's (pre-cat) on drive cycle. Wi...
April 24, 2009
1996 Chevrolet Blazer 4.3L Hesitation, Cuts out VIN: 1GNCT18W4T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Good customer, good thing! I haven't given up on this but I would like to! Breif history...Last fall, towed in, no fuel-replace pump and wire harness to pump, towed in again in January, removed 1+ gallons of water!(vehicle vandalized). We replaced pump, flushe...
April 27, 2009
2007 Ford Crown Victoria Police Interceptor 4.6L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2FAFP71W97
P0155: ho2s21 heater circuit. not enough space to list all codes \ also has po743 po102 po748 po755 po758 po962 and p1489 veh runs rough wont idle sets 17 codes cked sensers pretaining to codes all seem good i belive it has electrical concerns have cked everything i can think of just wonde...
April 28, 2009
1996 Chevrolet Blazer 4.3L Hesitation, Cuts out VIN: 1GNCT18W4T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Good customer, good thing! I haven't given up on this but I would like to! Breif history...Last fall, towed in, no fuel-replace pump and wire harness to pump, towed in again in January, removed 1+ gallons of water!(vehicle vandalized). We replaced pump, flushe...
April 29, 2009
2001 BMW 525i 2.5L MIL Lamp on VIN: WBADS43451
P0155: O2 sensor heater circuit malfuntion bank 2 sensor 1. Hi, fellow techs, I need some help on this 525i wagon.The vehicle came in with multiple codes.I have replaced B2 S1 O2 sensor and broken PCV hose from crankcase vent valve to oil dip stick tube to fix lean codes and O2 heater code.Now,I have a problem checking...
April 02, 2009
1999 Cadillac Catera 3.0L Hesitation, Misfire VIN: W06VR52R1X
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. ... should have battery voltage key on engie off to the heater circuit? This one does not. Which fuse in the fuse panel below the stearing wheel is supplying the heater circuit for this o2 sensor? This car has cold driveability problems and I am thinking that ...
April 06, 2009
2001 Ford Escape XLS 3.0L MIL Lamp on VIN: 1FMYU02181
P0155: Heater ckt. B2S1 HO2S. System setting DTCs as noted. Last week was in for MIL and misfire. Misfire was partially broken coil driver wiring at the ECM connector. Replaced B1S1 for DTC P0135 last week. Now setting heater ckt. DTCs for both B1/B2 sensor 1's (pre-cat) on drive cycle. Wi...
April 24, 2009
1996 Chevrolet Blazer 4.3L Hesitation, Cuts out VIN: 1GNCT18W4T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Good customer, good thing! I haven't given up on this but I would like to! Breif history...Last fall, towed in, no fuel-replace pump and wire harness to pump, towed in again in January, removed 1+ gallons of water!(vehicle vandalized). We replaced pump, flushe...
April 27, 2009
2007 Ford Crown Victoria Police Interceptor 4.6L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 2FAFP71W97
P0155: ho2s21 heater circuit. not enough space to list all codes \ also has po743 po102 po748 po755 po758 po962 and p1489 veh runs rough wont idle sets 17 codes cked sensers pretaining to codes all seem good i belive it has electrical concerns have cked everything i can think of just wonde...
April 28, 2009
1996 Chevrolet Blazer 4.3L Hesitation, Cuts out VIN: 1GNCT18W4T
P0155: Heated Oxygen Sensor (Bank 2 Sensor 1) Heater Circuit Malfunction. Good customer, good thing! I haven't given up on this but I would like to! Breif history...Last fall, towed in, no fuel-replace pump and wire harness to pump, towed in again in January, removed 1+ gallons of water!(vehicle vandalized). We replaced pump, flushe...
April 29, 2009