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P0300 and P0135

Scan codes P0300 and P0135

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06 Chevy Silverado code p0053 and p0135

DTC P0053 HO2S Heater Resistance Bank 1 Sensor 1
• DTC P0135 HO2S Heater Performance Bank 1 Sensor 1
Important: Whenever the heated oxygen sensor (HO2S) heaters are commanded ON with a scan tool, they will continue to be pulsed ON once per second until the ignition is turned OFF for 30 seconds.
Turn ON the ignition, with the engine OFF.
Command the HO2S heaters ON with a scan tool.
Wait 15 seconds to allow the HO2S heater current to stabilize.
Observe the affected HO2S Heater Current parameter with a scan tool.
Is the HO2S Heater Current parameter within the specified range?
0.25-1.375 A

Sep 10, 2016 | 2006 Chevrolet Silverado

1 Answer

Got Honda accord 2000 code po135 replaced 02 sensor and stil show same code

How to Diagnose a P0135 -Heater
Performance Bank 1 Sensor 1 (GM 3.5L)
January 31, 2012 Updated: October 29, 2014 Written by: Abraham Torres-Arredondo Article Id: 371

image_1.gifIf your check engine light is on and you have a diagnostic trouble code P0135 stored in the PCM's memory... then you've come to the right place to test and troubleshoot the upstream oxygen sensor.
A P0135 DTC says: HO2S Heater Performance Bank 1 Sensor 1... and this means that the PCM (Powertrain Control Module = Fuel Injection Computer) has detected a problem with the front oxygen sensor's heater element or a problem in the heater's circuit (wires).
In this tutorial, I'll show you how to check the oxygen (O2) sensor's heater element and the two circuits that feed it with power (10 to 12 Volts) and ground with a multimeter.
In case you're wondering, where the oxygen (O2) sensor that the code P0135 is accusing of being BAD is... this bad boy is located on the exhaust manifold and before the catalytic converter.
To help you navigate this article, here are its main points:
  1. Symptoms of a BAD Oxygen Sensor Heater Element.
  2. What Tools Do I Need to Test Code P0135?
  3. What Does the Heater Inside the Oxygen Sensor Do?
  4. Circuit Descriptions of the Downstream Oxygen Sensor.
  5. Start Here.
  6. TEST 1: Oxygen Sensor Bank 1 Sensor 1 Test.
  7. TEST 2: Checking 12 Volts to O2 Heater.
  8. TEST 3: Checking the O2 Heater's Ground Circuit.
  9. TEST 4: Ohming the O2 Heater Element.
  10. P0135 O2 Sensor Heater Test Summary.
Buying a Digital Multimeter for Automotive Diagnostic Testing (found at:
  • Scan Tool.
    1. Don't have one?... check out my recommendation: Abe's Scan Tool Recommendation.
  • Wire Piercing Probe.
    1. Although this tool is not an absolute must, if you do buy one, you'll realize just how easy it makes testing the voltages inside the wires.
    2. If you need to see what this tool looks like, you can see it here:Wire Piercing Probe.
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  • Applies To:
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    Buick Vehicles:
    • Rainier 4.2L
      • 2004, 2005
    Chevrolet Vehicles:
    • Colorado 3.5L
      • 2004, 2005
    • Trailblazer
      • 2004, 2005
    3.5L image_thumb_home_page_1.jpg
    How To Test for a Blown Head Gasket (GM 3.5L, 4.2L)
    How to Test the MAF Sensor and Codes: P0100, P0101, P0102, P0103
    How To Test for a Blown Head Gasket (GM 3.5L -FWD)
    All Articles: 3.5L "A day without sunshine is like, you know, night"
    Steve Martin

    Feb 03, 2015 | 2000 Honda Accord

    2 Answers

    Codes ford explorer 1996 4.0 xlt 4x4

    I heard it is best to start with the lowest code.
    133,135,153,171, and 1151 are O2 codes. 300 is a random misfire. 756 is shift solenoid #2 malfunction.

    Feb 03, 2015 | Ford Cars & Trucks

    1 Answer

    What is the codepo135

    PO135 is an (O2) Oxygen Sensor Fault (

    PO153 is an (O2) Oxygen Sensor Fault (

    PO174 is "Too Much (O2) Oxygen in Exhaust" (

    PO300 is "Random / Multiple Misfire" (

    It would seem these are all related to one or more spark plugs NOT firing. Since it isn't firing, Oxygen (O2) is being detected in the exhaust - when Carbon Monoxide (CO) is expected. Other sources of high O2 can be cracked manifold, exhaust pipes, etc. Good luck!

    May 21, 2014 | 1997 Cadillac Seville

    1 Answer

    I have a 2001 eclipse 3.0 it has a major loss of power and is using twice as much fuel the codes its throwing are P0135 p0141 p0300 I have replaced plugs and wires and will be ordering new sensors. After...

    po135 andpo0141 refers to the oxygen sensors and p0300 refers to coils and injectors. . Replace faulty items. Use only genuine items as replacement as non-genuine are not always compatible with the OEM fitted CPU units. This
    results in the fault codes not cancelling out.

    May 17, 2013 | Cars & Trucks

    1 Answer

    P0300 and p0135

    P0300, this is random misfire, or more than two P0135 02 heater circuit malfunction
    you need to address the random misfire, it can be a vacuum hose leak a sparkplug wire, or even sparkplugs getting its useful life, as for the P0135 it detecting the engine condition and seeing lean signal as misfire occurs

    May 01, 2011 | Buick LeSabre Cars & Trucks

    1 Answer

    Engine light on--when do scan shows code P0135

    P0135=O2 sensor heater circuit malfunction (bank 1, sensor 1)

    O2 sensors have built in heaters to help them warm up faster. The O2 sensor in the No.1 bank of cylinders may have an inoperative heater or the wiring to the heater element is damaged. Changing that O2 sensor may correct your problem.

    Feb 03, 2011 | 2006 Honda Element

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