DTC P0138: Circuito del Sensor de Oxígeno Secundario Calentado Trasero Alto - Honda Accord 2012-2017
DIY Honda Garage Español
[{'start': '1.079', 'end': '8.240', 'text': 'Welcome to the Dy Honda Garage channel.'}, {'start': '5.160', 'end': '10.719', 'text': 'Diagnostic trouble code DTC'}, {'start': '8.240', 'end': '12.880', 'text': 'P0338 refers to a problem with the'}, {'start': '12.880', 'end': '18.039', 'text': 'rear secondary heated oxygen sensor, specifically for bank'}, {'start': '15.320', 'end': '22.240', 'text': '1, sensor 2, on a Honda Accord'}, {'start': '18.039', 'end': '24.680', 'text': 'manufactured between 2012 and 2017. This'}, {'start': '22.240', 'end': '26.880', 'text': 'particular sensor plays a crucial role in'}, {'start': '24.680', 'end': '29.000', 'text': 'assessing the oxygen content'}, {'start': '26.880', 'end': '32.000', 'text': 'in the exhaust gases emitted by the'}, {'start': '29.000', 'end': '34.120', 'text': 'engine.  Its main function is to help'}, {'start': '32.000', 'end': '36.559', 'text': 'manage the air-'}, {'start': '34.120', 'end': '39.640', 'text': 'fuel mixture, ensuring'}, {'start': '36.559', 'end': '41.760', 'text': 'optimal engine performance and emissions control.'}, {'start': '39.640', 'end': '43.960', 'text': 'Located downstream of the rear'}, {'start': '41.760', 'end': '46.440', 'text': 'heated three-way catalytic converter'}, {'start': '43.960', 'end': '48.600', 'text': ', the sensor provides'}, {'start': '46.440', 'end': '51.920', 'text': 'feedback to the powertrain control module ('}, {'start': '48.600', 'end': '55.520', 'text': 'PCM).  When the sensor'}, {'start': '51.920', 'end': '58.079', 'text': 'detects a high output that exceeds 1.27'}, {'start': '55.520', 'end': '61.760', 'text': 'V continuously for at least 5'}, {'start': '58.079', 'end': '63.719', 'text': 'seconds, the PCM recognizes this anomaly'}, {'start': '61.760', 'end': '67.560', 'text': 'as a fault.  This will trigger the'}, {'start': '63.719', 'end': '69.640', 'text': 'storage of DTC P038 to alert'}, {'start': '67.560', 'end': '73.119', 'text': 'technicians that'}, {'start': '69.640', 'end': '76.640', 'text': 'further investigation is required.  In conclusion,'}, {'start': '73.119', 'end': '78.920', 'text': 'understanding DTC P031 is crucial for'}, {'start': '76.640', 'end': '81.920', 'text': 'effective vehicle diagnosis and repair'}, {'start': '78.920', 'end': '84.439', 'text': '.  This code'}, {'start': '81.920', 'end': '86.439', 'text': 'specifically identifies problems concerning'}, {'start': '84.439', 'end': '88.920', 'text': 'the rear secondary heated oxygen sensor'}, {'start': '86.439', 'end': '91.040', 'text': 'and signifies the'}, {'start': '88.920', 'end': '93.479', 'text': 'importance of this component in'}, {'start': '91.040', 'end': '96.360', 'text': 'maintaining engine performance'}, {'start': '93.479', 'end': '98.479', 'text': 'and reducing emissions.  Following'}, {'start': '96.360', 'end': '101.040', 'text': 'systematic troubleshooting steps'}, {'start': '98.479', 'end': '103.560', 'text': 'allows for'}, {'start': '101.040', 'end': '105.920', 'text': 'accurate identification of the problem, ensuring that'}, {'start': '103.560', 'end': '108.000', 'text': 'possible causes are thoroughly investigated.'}, {'start': '105.920', 'end': '109.640', 'text': 'Addressing symptoms promptly'}, {'start': '108.000', 'end': '112.200', 'text': 'can prevent'}, {'start': '109.640', 'end': '115.000', 'text': 'further complications, reinforcing the need for'}, {'start': '112.200', 'end': '117.520', 'text': 'diligent vehicle maintenance.'}, {'start': '115.000', 'end': '120.560', 'text': 'Finally, participating in'}, {'start': '117.520', 'end': '122.520', 'text': 'preventative maintenance is essential; it alleviates problems'}, {'start': '120.560', 'end': '124.759', 'text': 'before they arise and promotes'}, {'start': '122.520', 'end': '127.800', 'text': 'reliable vehicle operation over the'}, {'start': '124.759', 'end': '130.759', 'text': 'long term.  DTC'}, {'start': '127.800', 'end': '133.239', 'text': 'P0138 is primarily concerned with the'}, {'start': '133.239', 'end': '140.599', 'text': 'rear secondary heated oxygen sensor, also known as'}, {'start': '136.879', 'end': '143.200', 'text': 'secondary H2S for bank 1, sensor 2.'}, {'start': '140.599', 'end': '145.560', 'text': 'This sensor is strategically'}, {'start': '143.200', 'end': '148.000', 'text': 'located downstream of the rear'}, {'start': '145.560', 'end': '151.200', 'text': 'heated three-way catalytic converter'}, {'start': '148.000', 'end': '153.879', 'text': 'within the exhaust system.  Its'}, {'start': '151.200', 'end': '156.200', 'text': 'main function is to measure the'}, {'start': '153.879', 'end': '158.680', 'text': 'residual oxygen content in the'}, {'start': '156.200', 'end': '160.159', 'text': 'exhaust gases after they have passed through'}, {'start': '158.680', 'end': '162.959', 'text': 'the'}, {'start': '160.159', 'end': '165.000', 'text': 'catalytic converter.  This information is vital'}, {'start': '162.959', 'end': '168.480', 'text': 'for the powertrain control module ('}, {'start': '165.000', 'end': '170.879', 'text': 'PCM) to adjust the air-'}, {'start': '168.480', 'end': '173.480', 'text': 'fuel ratio for'}, {'start': '170.879', 'end': '176.239', 'text': 'optimal combustion.  If the sensor output is'}, {'start': '173.480', 'end': '179.680', 'text': 'consistently high indicating an'}, {'start': '176.239', 'end': '183.000', 'text': 'overly rich exhaust mixture, the PCM'}, {'start': '179.680', 'end': '188.040', 'text': 'detects this as a malfunction,'}, {'start': '183.000', 'end': '190.200', 'text': 'ultimately triggering DTC P0138.'}, {'start': '188.040', 'end': '192.760', 'text': 'Understanding the role and position of'}, {'start': '190.200', 'end': '194.879', 'text': 'this sensor helps identify'}, {'start': '192.760', 'end': '196.599', 'text': 'problems that may arise during'}, {'start': '194.879', 'end': '198.959', 'text': 'diagnostics and'}, {'start': '196.599', 'end': '202.560', 'text': 'repairs.  Several possible causes'}, {'start': '198.959', 'end': '205.879', 'text': 'can lead to the activation of DTC'}, {'start': '202.560', 'end': '209.480', 'text': 'P038 and it is essential to consider each'}, {'start': '205.879', 'end': '211.959', 'text': 'of them for an accurate diagnosis.  The'}, {'start': '209.480', 'end': '214.319', 'text': 'first potential problem is a'}, {'start': '211.959', 'end': '217.680', 'text': 'circuit failure associated with the'}, {'start': '214.319', 'end': '219.879', 'text': 'rear secondary heated oxygen sensor.'}, {'start': '217.680', 'end': '222.439', 'text': 'This could involve damaged wiring or'}, {'start': '219.879', 'end': '225.400', 'text': 'connectors that compromise the'}, {'start': '222.439', 'end': '228.040', 'text': "sensor's ability to function"}, {'start': '225.400', 'end': '230.560', 'text': 'properly.  The second cause is that'}, {'start': '228.040', 'end': '232.760', 'text': 'the sensor output may be rich and'}, {'start': '230.560', 'end': '235.319', 'text': 'stuck, meaning it is'}, {'start': '232.760', 'end': '238.439', 'text': 'delivering a constant high voltage signal'}, {'start': '235.319', 'end': '240.360', 'text': 'to the PCM.  Both scenarios'}, {'start': '238.439', 'end': '243.200', 'text': 'require careful examination of the'}, {'start': '240.360', 'end': '245.680', 'text': 'sensor wiring, connections, and'}, {'start': '243.200', 'end': '248.400', 'text': 'actual sensor function to confirm'}, {'start': '245.680', 'end': '250.920', 'text': 'the underlying problem before proceeding'}, {'start': '248.400', 'end': '253.159', 'text': 'with repairs.  Symptoms'}, {'start': '250.920', 'end': '256.079', 'text': 'associated with DTC'}, {'start': '253.159', 'end': '258.720', 'text': 'P038 can significantly affect'}, {'start': '256.079', 'end': '260.639', 'text': 'vehicle performance and should be'}, {'start': '260.639', 'end': '265.680', 'text': 'carefully monitored.  An immediate indication'}, {'start': '263.440', 'end': '269.080', 'text': 'is the illumination of the'}, {'start': '265.680', 'end': '271.280', 'text': 'Mil malfunction indicator light on the dashboard, which signals a'}, {'start': '269.080', 'end': '274.320', 'text': "problem with the vehicle's emissions system"}, {'start': '271.280', 'end': '276.280', 'text': '.  Additionally, a driver'}, {'start': '274.320', 'end': '278.840', 'text': 'may notice a decrease in'}, {'start': '276.280', 'end': '281.400', 'text': 'fuel efficiency as the'}, {'start': '278.840', 'end': '284.280', 'text': 'engine management system struggles to'}, {'start': '281.400', 'end': '287.199', 'text': 'maintain an optimal air-fuel ratio'}, {'start': '284.280', 'end': '290.039', 'text': 'due to incorrect'}, {'start': '287.199', 'end': '292.360', 'text': 'sensor readings.  In some cases,'}, {'start': '290.039', 'end': '295.880', 'text': 'poor engine performance may be observed'}, {'start': '292.360', 'end': '298.639', 'text': ', including rough idling or'}, {'start': '295.880', 'end': '301.680', 'text': 'decreased acceleration.  These'}, {'start': '298.639', 'end': '304.320', 'text': 'symptoms can lead not only to a'}, {'start': '301.680', 'end': '307.560', 'text': 'frustrating driving experience,'}, {'start': '304.320', 'end': '310.520', 'text': 'but also to increased emissions,'}, {'start': '307.560', 'end': '313.120', 'text': 'contributing to environmental impact.   It'}, {'start': '310.520', 'end': '315.840', 'text': 'is essential to address these symptoms'}, {'start': '313.120', 'end': '318.319', 'text': 'early to avoid more'}, {'start': '315.840', 'end': '321.160', 'text': 'serious problems.  The first troubleshooting step'}, {'start': '318.319', 'end': '323.560', 'text': 'involves starting the engine and'}, {'start': '321.160', 'end': '325.520', 'text': 'allowing it to idle until'}, {'start': '323.560', 'end': '328.520', 'text': 'the radiator fan activates'}, {'start': '325.520', 'end': '330.560', 'text': '.  This step is critical as it'}, {'start': '328.520', 'end': '331.800', 'text': 'prepares the vehicle for'}, {'start': '331.800', 'end': '337.120', 'text': 'further diagnostic testing.  Once the fan is'}, {'start': '334.080', 'end': '340.199', 'text': 'operating, the engine should be allowed to idle'}, {'start': '337.120', 'end': '342.759', 'text': 'for a minimum of 5 seconds.'}, {'start': '340.199', 'end': '345.400', 'text': 'This idling period allows the'}, {'start': '342.759', 'end': '348.039', 'text': 'vehicle systems to stabilize and'}, {'start': '345.400', 'end': '350.240', 'text': 'collect baseline data from the various'}, {'start': '348.039', 'end': '353.120', 'text': 'sensors, including the'}, {'start': '350.240', 'end': '356.000', 'text': 'secondary heated oxygen sensor.  Ensures'}, {'start': '353.120', 'end': '357.919', 'text': 'that the PCM accurately evaluates'}, {'start': '356.000', 'end': '360.319', 'text': 'sensor output under'}, {'start': '357.919', 'end': '362.919', 'text': 'normal operating conditions.  This'}, {'start': '360.319', 'end': '366.479', 'text': 'fundamental step is crucial to understand whether'}, {'start': '362.919', 'end': '369.120', 'text': 'the failure is transient or persistent.'}, {'start': '366.479', 'end': '372.039', 'text': 'Ignoring this can lead to'}, {'start': '369.120', 'end': '374.919', 'text': 'unclear diagnostic results.  The next'}, {'start': '372.039', 'end': '377.280', 'text': 'troubleshooting step requires'}, {'start': '374.919', 'end': '380.039', 'text': 'driving the vehicle at a'}, {'start': '377.280', 'end': '384.360', 'text': 'constant engine speed'}, {'start': '380.039', 'end': '388.319', 'text': 'between 100 and 3000'}, {'start': '384.360', 'end': '390.919', 'text': 'RPM for a minimum of 5 seconds.'}, {'start': '388.319', 'end': '394.400', 'text': 'This is imperative as it allows the'}, {'start': '390.919', 'end': '397.360', 'text': 'PCM to evaluate sensor performance under'}, {'start': '394.400', 'end': '400.520', 'text': 'load conditions that may'}, {'start': '397.360', 'end': '402.800', 'text': 'differ significantly from idle.  By maintaining'}, {'start': '400.520', 'end': '405.319', 'text': 'a constant speed, any'}, {'start': '402.800', 'end': '408.520', 'text': 'discrepancies in the sensor output'}, {'start': '405.319', 'end': '410.599', 'text': 'can be more easily identified.   It'}, {'start': '408.520', 'end': '413.080', 'text': 'is important that'}, {'start': '410.599', 'end': '416.120', 'text': 'driving conditions comply with'}, {'start': '413.080', 'end': '418.280', 'text': 'traffic regulations to ensure safety.'}, {'start': '416.120', 'end': '421.240', 'text': 'If freezing data has been recorded'}, {'start': '418.280', 'end': '423.520', 'text': ', it is best to drive under those'}, {'start': '421.240', 'end': '426.120', 'text': 'conditions for'}, {'start': '423.520', 'end': '429.319', 'text': 'proper validation.  Monitoring the'}, {'start': '426.120', 'end': '432.039', 'text': 'sensor response during this operating condition will'}, {'start': '429.319', 'end': '434.520', 'text': 'provide critical information to'}, {'start': '432.039', 'end': '437.080', 'text': 'support diagnosis.  In cases where'}, {'start': '434.520', 'end': '439.160', 'text': 'freeze-up data has been recorded, it is'}, {'start': '437.080', 'end': '441.199', 'text': 'recommended to replicate the'}, {'start': '439.160', 'end': '445.520', 'text': 'driving conditions that caused'}, {'start': '441.199', 'end': '447.879', 'text': 'DTC P038 to be stored.'}, {'start': '445.520', 'end': '450.319', 'text': 'This step is essential to confirm whether'}, {'start': '447.879', 'end': '451.479', 'text': 'the fault can be reproduced under the'}, {'start': '450.319', 'end': '454.280', 'text': 'same'}, {'start': '451.479', 'end': '457.039', 'text': 'circumstances.  Freeze data'}, {'start': '454.280', 'end': '459.919', 'text': 'provides valuable information about'}, {'start': '457.039', 'end': '462.240', 'text': 'engine parameters and conditions at the'}, {'start': '459.919', 'end': '464.919', 'text': 'time of failure, enabling'}, {'start': '462.240', 'end': '466.840', 'text': 'more specific diagnoses.'}, {'start': '464.919', 'end': '469.159', 'text': 'Drivers must ensure they are'}, {'start': '466.840', 'end': '471.479', 'text': 'operating within the limits of'}, {'start': '469.159', 'end': '474.440', 'text': 'traffic regulations and'}, {'start': '471.479', 'end': '477.000', 'text': 'environmental conditions, prioritizing'}, {'start': '474.440', 'end': '479.840', 'text': 'safety throughout the'}, {'start': '477.000', 'end': '482.759', 'text': 'troubleshooting process.  Collecting this'}, {'start': '479.840', 'end': '485.159', 'text': 'data helps to accurately identify'}, {'start': '482.759', 'end': '488.120', 'text': 'the source of the failure, making'}, {'start': '485.159', 'end': '491.000', 'text': 'subsequent repairs more'}, {'start': '488.120', 'end': '493.400', 'text': 'effective.  Once'}, {'start': '491.000', 'end': '495.879', 'text': 'the repairs have been made, a'}, {'start': '493.400', 'end': '498.199', 'text': 'final verification process is necessary to'}, {'start': '495.879', 'end': '501.720', 'text': 'ensure that DTC'}, {'start': '498.199', 'end': '503.840', 'text': 'P0138 has been effectively cleared.'}, {'start': '501.720', 'end': '506.599', 'text': 'This involves using a'}, {'start': '503.840', 'end': '509.159', 'text': 'diagnostic scan tool to erase the DTC'}, {'start': '506.599', 'end': '511.599', 'text': "from the PCM's memory."}, {'start': '509.159', 'end': '514.360', 'text': 'After this, a road test of the'}, {'start': '511.599', 'end': '516.839', 'text': 'vehicle is crucial to monitor for'}, {'start': '514.360', 'end': '518.680', 'text': 'any recurrence of the code.  The'}, {'start': '516.839', 'end': '520.880', 'text': 'vehicle must be driven under'}, {'start': '518.680', 'end': '524.440', 'text': 'conditions similar to those that led'}, {'start': '520.880', 'end': '526.800', 'text': 'to the initial malfunction.  If the DTC does not'}, {'start': '524.440', 'end': '528.720', 'text': 'reappear after three'}, {'start': '526.800', 'end': '531.959', 'text': 'consecutive trips with'}, {'start': '528.720', 'end': '534.760', 'text': 'successful diagnostic runs, it is an indicator'}, {'start': '531.959', 'end': '537.800', 'text': 'that the repair was successful and the'}, {'start': '534.760', 'end': '540.480', 'text': 'problem has been resolved.  This'}, {'start': '537.800', 'end': '542.920', 'text': 'verification step is vital, not only to'}, {'start': '540.480', 'end': '545.240', 'text': 'ensure the immediate effectiveness of the'}, {'start': '542.920', 'end': '547.600', 'text': 'repair, but also for the'}, {'start': '545.240', 'end': '550.079', 'text': 'future reliability of the vehicle.  To'}, {'start': '547.600', 'end': '551.760', 'text': 'prevent problems related to'}, {'start': '550.079', 'end': '554.519', 'text': 'DTC'}, {'start': '551.760', 'end': '557.800', 'text': 'P0138, participating in'}, {'start': '554.519', 'end': '560.079', 'text': 'regular preventative maintenance is essential.'}, {'start': '557.800', 'end': '562.800', 'text': 'Routine emissions system checks'}, {'start': '560.079', 'end': '565.320', 'text': 'can help identify'}, {'start': '562.800', 'end': '567.560', 'text': 'any potential faults before they'}, {'start': '565.320', 'end': '569.800', 'text': 'escalate into more'}, {'start': '567.560', 'end': '571.560', 'text': 'significant problems.  This includes ensuring'}, {'start': '569.800', 'end': '573.680', 'text': 'that the wiring harness and'}, {'start': '571.560', 'end': '576.360', 'text': 'connectors associated with the'}, {'start': '573.680', 'end': '579.320', 'text': 'rear secondary heated oxygen sensor'}, {'start': '576.360', 'end': '582.920', 'text': 'are intact and free of corrosion or'}, {'start': '579.320', 'end': '585.600', 'text': 'damage.  Additionally, keeping the sensor clean will'}, {'start': '582.920', 'end': '588.240', 'text': 'help ensure accurate readings and'}, {'start': '585.600', 'end': '590.839', 'text': 'optimal functionality.'}, {'start': '588.240', 'end': '592.320', 'text': 'Regularly scheduled maintenance visits'}, {'start': '590.839', 'end': '594.279', 'text': 'can create a'}, {'start': '592.320', 'end': '597.279', 'text': 'maintenance record that helps detect'}, {'start': '594.279', 'end': '600.120', 'text': 'patterns that could lead to'}, {'start': '597.279', 'end': '602.800', 'text': 'problems.  Being proactive can save'}, {'start': '600.120', 'end': '604.399', 'text': 'time and money while promoting'}, {'start': '604.399', 'end': '611.200', 'text': 'vehicle longevity.  Give it a like and subscribe to the'}, {'start': '606.800', 'end': '611.200', 'text': 'channel.  See you next time.  Yeah.'}]