Question about 2002 Toyota Tundra

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Error P0155 My Toyota Tundra is giving me error P0155, 02 sensor heater circuit malfunction (Bank 2 senhor 1) and we do not have specialised personal in Angola,

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  • Toyota Master
  • 1,861 Answers

That code will not affect the drivability of the vehicle. The heater does just that: it heats up the oxygen sensor to operating temperature. You can change it yourself, raise the vehicle up, the sensor is the one on the passenger side, right after the exhaust manifold.

Thanks for choosing FixYa for advice!

Posted on Mar 05, 2009

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P0155 error code Mitsubishi diamante 2002 where is it located the sensor


P0155 is not telling you which part is defective, it is saying there is a problem in the system and that the triggers the fault code. In this case you have a O2 sensor whose heater is not heating. This may be the senor or the wiring to it.
P0155 OBD-II Trouble Code: 02 Sensor Heater Circuit Malfunction in cylinder Bank 2 (V6 only), Sensor 1, this is the sensor before the catalyst.

Oct 12, 2016 | Mitsubishi Cars & Trucks

4 Answers

What does code p0155 mean


P0155 = 2/1 O2 Sensor Heater Failure, Oxygen sensor heater element malfunction. logic dictates that you replace your O2 Sensor. DIY car obd2 code scanner online shopping

Jun 05, 2014 | 2004 Chevrolet Avalanche

1 Answer

Why the codes po125 & po135 &po155 keep coming back?


Hi there:

DTC P0125 - Insufficient Coolant Temperature For Closed Loop Fuel Control

The simplest thing to do is to reset the code and see if it comes back.
If the code comes back, the problem is likely going to be the result of the above causes (faulty thermostat, faulty ECT sensor, or a low coolant level).


DTC P0135 - Oxygen O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
or
DTC P0155 - 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)

A code P0135 and P0155 may mean that one or more of the following has happened:

  • O2 Heater element resistance is high
  • Internal short or open in the heater element
  • O2 heater circuit wiring high resistance
  • open or short to ground in the wiring harness

In order to solve just...
  • Repair short or open or high resistance in wiring harness or harness connectors
  • Replace oxygen sensor (cannot repair open or short that occurs internally to sensor)


  • Hopoe this helps.

    Aug 28, 2012 | 1999 Toyota Sienna

    1 Answer

    My 96 nissian maxima turns off when driving down the road i try to turn the key ,lights in dash on horn blows but will not startcould it be alternater ,or what how does the 02 sensor go by functioning ...


    As of 1996,all cars sold in the US were required to have an OBD-II computer interface port.
    You may want to go to Advance Auto Parts, AutoZone, or Pep Boys, and get a free read
    of the code(s) that you computer may be posting to help with your diagnosis.

    The code coming from your vehicle's computer may be one or more of:


    P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)
    P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I)
    P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1)
    P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)
    P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
    P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
    P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
    P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2)
    P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2)
    P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
    P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
    P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
    P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3)
    P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3)
    P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3)
    P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3)
    P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3)
    P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)
    P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I)
    P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I)
    P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1)
    P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1)
    P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
    P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
    P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
    P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
    P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2)
    P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2)
    P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
    P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
    P0162 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
    P0163 02 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
    P0164 02 Sensor Circuit High Voltage (Bank 2 Sensor 3)
    P0165 02 Sensor Circuit Slow Response (Bank 2 Sensor 3)
    P0166 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
    P0167 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

    Note: "Bank 1" is the side of the engine with cylinder 1. "Bank 2" is the other side.

    P0300 - Random/Multiple Cylinder misfire detected
    P0301 - Cylinder 1 misfire detected
    P0302 - Cylinder 2 misfire detected
    P0303 - Cylinder 3 misfire detected
    P0304 - Cylinder 4 misfire detected
    P0305 - Cylinder 5 misfire detected
    P0306 - Cylinder 6 misfire detected
    P0307 - Cylinder 7 misfire detected
    P0308 - Cylinder 8 misfire detected
    P0313 - Misfire detected with low fuel


    Maximas with the VE30DE and VQ30DE engines use a distributorless ignition system that is controlled by the Engine Control Module (ECM). The ECM receives a signal from the crankshaft sensor (the CPS - Crankshaft Position Sensor), and processes the signal based on inputs
    from other various engine sensors, including the Oxygen sensor.
    (this is the role of the O2 sensor in ECM operation).
    Then the ECM sends signals to each of the individual coils in the proper firing order.
    This system is more efficient than a distributor, and has fewer moving parts. The high voltage coils are directly attached to each spark plug, allowing a higher energy spark within the cylinder. A high energy spark means a faster, more thorough burning of the air/fuel mixture, which produces more power and lower emissions.


    SECONDARY SPARK TEST - works for all cars, including Maxima.


    1. Remove the spark plug.

    2. Install the spark plug to the ignition coil/coil pack, then attach the coil wiring.

    3. Ground the plug at a good ground location on the engine.

    4. Crank the engine and check for spark.

    5. If spark occurs, the ignition system is functioning properly.

    6. If no spark exists, test the ignition coil/coil pack, power transistor and related wiring.

    ----------------------------------------------------------------------------------------------------------------------------
    HEI Ignition Spark test - works for all cars, including Maxima.

    The next level test you may want to try is a HEI (high energy ignition) spark tester kit. Cost is
    about $30 at most auto parts stores. Harbor Freight Tools sells a chinese equivalent for about $16.
    Place the spark tester on each of the spark plugs, and watch as the little light in the tester will
    light up each time the spark plug is fired by the computer. You can actually see weak or
    intermittent sparking as the motor runs - you can tell by the relative strength of the light as
    you compare the intensity and duration of the light across all 6 cylinders.

    If your problem were the alternator (or its built-in voltage regulator), your battery would not be
    getting a proper charge, and you
    wouldn't be able to start the car after a drive, since the battery would have been drained during the
    drive - normally, the alternator will both charge the battery and run all electrical
    features of the car during a drive.

    To test your alternator, place your DMM (digital multimeter) across the battery terminals while the
    car is running - it should read 13.5VDC to 14.5VDC. With the car off, you can test your battery
    voltage with the same DMM - it should read 12.65 VDC (for a fully charged battery).

    Alternatively, you can take your car to Advance Auto Parts, AutoZone, or Pep Boys, and they'll
    attach their "charging system tester" to your car and give your car a nice test for free.
    I do this with my customers' cars just to get that nifty printout of the problem. Its nice
    to show a vehicle owner somethng in black & white when I'm recommending a new charging
    or ignition system component (some of which can be a bit pricey).

    Jul 15, 2011 | 1996 Nissan Maxima

    1 Answer

    Im getting code P2253 on my 04 Saturn vue with 3.5l V6. Anyway to tell which O2 sensor it is? Thxs Bill


    P0804 is the highest OBD-II trouble code.

    Here's your Oxygen sensor codes.

    P0130 02 Sensor Circuit Malfunction (Bank I Sensor 1)
    P0131 02 Sensor Circuit Low Voltage (Bank I Sensor I)
    P0132 02 Sensor Circuit High Voltage (Bank I Sensor 1)
    P0133 02 Sensor Circuit Slow Response (Bank 1 Sensor 1)
    P0134 02 Sensor Circuit No Activity Detected (Bank I Sensor 1)
    P0135 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)
    P0136 02 Sensor Circuit Malfunction (Bank I Sensor 2)
    P0137 02 Sensor Circuit Low Voltage (Bank I Sensor 2)
    P0138 02 Sensor Circuit High Voltage (Bank I Sensor 2)
    P0139 02 Sensor Circuit Slow Response (Bank 1 Sensor 2)
    P0140 02 Sensor Circuit No Activity Detected (Bank 1 Sensor 2)
    P0141 02 Sensor Heater Circuit Malfunction (Bank 1 Sensor 2)
    P0142 02 Sensor Circuit Malfunction (Bank I Sensor 3)
    P0143 02 Sensor Circuit Low Voltage (Bank I Sensor 3)
    P0144 02 Sensor Circuit High Voltage (Bank I Sensor 3)
    P0145 02 Sensor Circuit Slow Response (Bank 1 Sensor 3)
    P0146 02 Sensor Circuit No Activity Detected (Bank I Sensor 3)
    P0147 02 Sensor Heater Circuit Malfunction (Bank I Sensor 3)
    P0150 02 Sensor Circuit Malfunction (Bank 2 Sensor I)
    P0151 02 Sensor Circuit Low Voltage (Bank 2 Sensor I)
    P0152 02 Sensor Circuit High Voltage (Bank 2 Sensor 1)
    P0153 02 Sensor Circuit Slow Response (Bank 2 Sensor 1)
    P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
    P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
    P0156 02 Sensor Circuit Malfunction (Bank 2 Sensor 2)
    P0157 02 Sensor Circuit Low Voltage (Bank 2 Sensor 2)
    P0158 02 Sensor Circuit High Voltage (Bank 2 Sensor 2)
    P0159 02 Sensor Circuit Slow Response (Bank 2 Sensor 2)
    P0160 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 2)
    P0161 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 2)
    P0162 02 Sensor Circuit Malfunction (Bank 2 Sensor 3)
    P0163 02 Sensor Circuit Low Voltage (Bank 2 Sensor 3)
    P0164 02 Sensor Circuit High Voltage (Bank 2 Sensor 3)
    P0165 02 Sensor Circuit Slow Response (Bank 2 Sensor 3)
    P0166 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 3)
    P0167 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 3)

    Note: "Bank 1" is the side of the engine with cylinder 1. "Bank 2" is the other side.

    Jul 03, 2011 | 2004 Saturn VUE

    1 Answer

    2002 blazer zr2 check engine light code is po155 bank 2 sensor 2 where is it and how do I check it


    P0155 is o2 sensor heater circuit malfunction bank 2 sensor 1 it is the o2 sensor circuit in front of the cat converter the o2 sensors are located mounted to the exhaust pipe in front and behind the catylic converter the problem is in the circuit [wiring or sensor itself] check wiring and repair if necessary if the short or open circuit is the sensor need to replace sensor +++ P0161 is 02 sensor heater circuit malfunction BANK 2 SENSOR 2 ++++++ this is the sensor behind the cat converter

    Feb 23, 2010 | 2002 Chevrolet Blazer

    1 Answer

    Ive got a question for a 1997 chevy tahoe. i need to find out which o2 sensor to change when a DTC codes register with P0155 AND P0154. can anybody help me?


    P0155 02 Sensor Heater Circuit Malfunction (Bank 2 Sensor 1)
    THIS IS THE SENSOR BEFORE THE CAT CONVERTER
    P0154 02 Sensor Circuit No Activity Detected (Bank 2 Sensor 1)
    SAME SENSOR, WHEN THEY SAY BANK 2 IT IS THE BANK OF CYLINDERS OPPOSITE THE BANK THAT HAS #1 CYLINDER IN IT,
    MAKE SURE THE SENSOR IS CONNECTED AND THAT THE CONNECTOR IS NOT DAMAGED.

    May 01, 2009 | Mitsubishi Montero Cars & Trucks

    2 Answers

    Check engine error code P0155


    ran into this and it ended up cause of using an aftermarket o2

    Apr 28, 2009 | 2000 Toyota Tundra

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