DTC P0128: Cooling System Malfunction - Honda Accord 2012-2017
DIY Honda Garage
[{'start': '1.120', 'end': '7.160', 'text': 'Welcome to the DIY Honda Garage'}, {'start': '4.120', 'end': '10.679', 'text': "channel. Welcome to today's diagnostics"}, {'start': '7.160', 'end': '13.040', 'text': 'presentation focusing on'}, {'start': '10.679', 'end': '15.360', 'text': 'DTCP0128, which indicates a cooling'}, {'start': '13.040', 'end': '18.279', 'text': 'system malfunction in the Honda Accord'}, {'start': '15.360', 'end': '21.760', 'text': 'models from 2012 to'}, {'start': '18.279', 'end': '24.080', 'text': '2017. This specific error code points to'}, {'start': '21.760', 'end': '27.199', 'text': 'issues regarding the thermostat and'}, {'start': '24.080', 'end': '29.439', 'text': 'engine coolant temperature sensors. The'}, {'start': '27.199', 'end': '31.840', 'text': 'thermostat controls the flow of engine'}, {'start': '29.439', 'end': '34.200', 'text': 'coolant, affecting how quickly the'}, {'start': '31.840', 'end': '36.320', 'text': 'engine reaches optimal operating'}, {'start': '34.200', 'end': '38.800', 'text': 'temperature. When the thermostat is'}, {'start': '36.320', 'end': '42.480', 'text': 'stuck open, it leads to delayed engine'}, {'start': '38.800', 'end': '44.640', 'text': 'warm-up and increased exhaust emissions.'}, {'start': '42.480', 'end': '47.800', 'text': "It's essential to understand that the"}, {'start': '44.640', 'end': '51.320', 'text': 'engine type affected is'}, {'start': '47.800', 'end': '54.480', 'text': 'K24W1 and the powertrain control module'}, {'start': '51.320', 'end': '56.440', 'text': 'PCM monitors coolant temperatures to'}, {'start': '54.480', 'end': '59.039', 'text': "assess the thermostat's"}, {'start': '56.440', 'end': '61.920', 'text': 'functionality. Diagnosing this issue'}, {'start': '59.039', 'end': '64.159', 'text': 'accurately is vital to ensuring'}, {'start': '61.920', 'end': '68.519', 'text': 'efficient engine performance and'}, {'start': '64.159', 'end': '68.519', 'text': 'compliance with emission regulations.'}, {'start': '68.600', 'end': '74.400', 'text': 'DTCP0128 signifies a malfunction within'}, {'start': '71.600', 'end': '77.040', 'text': 'the cooling system, specifically related'}, {'start': '74.400', 'end': '79.680', 'text': "to the thermostat's operation. The"}, {'start': '77.040', 'end': '82.320', 'text': 'thermostat remains closed when engine'}, {'start': '79.680', 'end': '84.799', 'text': 'coolant temperature is low, preventing'}, {'start': '82.320', 'end': '87.600', 'text': 'coolant circulation. Once the coolant'}, {'start': '84.799', 'end': '90.799', 'text': 'temperature rises, it opens to regulate'}, {'start': '87.600', 'end': '93.280', 'text': 'cooling effectively. If it sticks open,'}, {'start': '90.799', 'end': '96.119', 'text': 'the vehicle experiences prolonged'}, {'start': '93.280', 'end': '99.759', 'text': 'warm-up times and heightened exhaust'}, {'start': '96.119', 'end': '102.159', 'text': 'emissions. The PCM located in the engine'}, {'start': '99.759', 'end': '104.960', 'text': 'compartment employs engine coolant'}, {'start': '102.159', 'end': '107.320', 'text': 'temperature ECT sensors at both the'}, {'start': '104.960', 'end': '110.000', 'text': 'engine block and the radiator to'}, {'start': '107.320', 'end': '113.360', 'text': 'continuously monitor temperatures.'}, {'start': '110.000', 'end': '116.040', 'text': "Understanding the PCM's role is vital as"}, {'start': '113.360', 'end': '118.960', 'text': 'it utilizes these readings for further'}, {'start': '116.040', 'end': '121.600', 'text': 'calculations regarding coolant dynamics'}, {'start': '118.960', 'end': '124.399', 'text': 'based on driving conditions, thereby'}, {'start': '121.600', 'end': '127.040', 'text': 'directly impacting engine performance'}, {'start': '124.399', 'end': '130.560', 'text': 'and emissions control. There are several'}, {'start': '127.040', 'end': '130.560', 'text': 'potential causes for'}, {'start': '130.599', 'end': '135.360', 'text': 'DTCP0128 making thorough diagnostics'}, {'start': '133.680', 'end': '138.080', 'text': 'crucial.'}, {'start': '135.360', 'end': '140.480', 'text': 'First among these is thermostat failure,'}, {'start': '138.080', 'end': '143.760', 'text': 'which occurs if the component sticks'}, {'start': '140.480', 'end': '147.360', 'text': 'open, hindering coolant circulation.'}, {'start': '143.760', 'end': '149.760', 'text': 'Next, the engine coolant temperature ect'}, {'start': '147.360', 'end': '152.840', 'text': 'sensor can fail, either providing'}, {'start': '149.760', 'end': '156.200', 'text': 'incorrect readings or malfunctioning'}, {'start': '152.840', 'end': '159.280', 'text': 'entirely, leading to erroneous PCM'}, {'start': '156.200', 'end': '163.280', 'text': 'calculations. The intake air temperature'}, {'start': '159.280', 'end': '165.760', 'text': 'IAT sensor can also be at fault as it'}, {'start': '163.280', 'end': '169.040', 'text': 'plays a critical role in determining how'}, {'start': '165.760', 'end': '171.280', 'text': 'much air is entering the engine. Issues'}, {'start': '169.040', 'end': '174.560', 'text': 'may also arise from the manifold'}, {'start': '171.280', 'end': '178.160', 'text': 'absolute pressure map sensor or the'}, {'start': '174.560', 'end': '181.360', 'text': 'crankshaft position CKP sensor, both of'}, {'start': '178.160', 'end': '183.920', 'text': 'which impact performance. Last but not'}, {'start': '181.360', 'end': '186.440', 'text': 'least, a barometric pressure sensor'}, {'start': '183.920', 'end': '189.120', 'text': 'failure could affect overall engine'}, {'start': '186.440', 'end': '191.519', 'text': 'function, emphasizing the need for'}, {'start': '189.120', 'end': '194.159', 'text': 'comprehensive diagnostic tests to'}, {'start': '191.519', 'end': '197.120', 'text': 'pinpoint the root of the problem. When'}, {'start': '194.159', 'end': '197.120', 'text': 'diagnosing'}, {'start': '197.239', 'end': '203.519', 'text': 'DTCP0128, you may observe several key'}, {'start': '200.080', 'end': '206.599', 'text': 'symptoms indicating an underlying issue.'}, {'start': '203.519', 'end': '209.519', 'text': 'One primary symptom is poor engine'}, {'start': '206.599', 'end': '212.480', 'text': "warm-up as the thermostat's failure to"}, {'start': '209.519', 'end': '215.200', 'text': 'close appropriately prolongs the time it'}, {'start': '212.480', 'end': '218.720', 'text': 'takes for the engine to reach optimal'}, {'start': '215.200', 'end': '221.840', 'text': 'operating temperature. This inefficiency'}, {'start': '218.720', 'end': '224.640', 'text': 'can also lead to increased emissions,'}, {'start': '221.840', 'end': '226.879', 'text': 'compromising environmental standards and'}, {'start': '224.640', 'end': '230.239', 'text': 'potentially triggering emission related'}, {'start': '226.879', 'end': '232.080', 'text': 'alerts. Engine performance issues are'}, {'start': '230.239', 'end': '235.040', 'text': 'also common with the vehicle'}, {'start': '232.080', 'end': '238.159', 'text': 'experiencing rough idling or difficulty'}, {'start': '235.040', 'end': '240.319', 'text': 'maintaining speed. Drivers may note'}, {'start': '238.159', 'end': '242.879', 'text': 'fluctuating temperature gauges,'}, {'start': '240.319', 'end': '246.319', 'text': 'providing visual clues that something is'}, {'start': '242.879', 'end': '248.720', 'text': "a miss with the engine's cooling system."}, {'start': '246.319', 'end': '252.480', 'text': 'The combination of these symptoms'}, {'start': '248.720', 'end': '254.959', 'text': 'suggests the thermostat, ECT sensor, or'}, {'start': '252.480', 'end': '256.479', 'text': 'related components are not functioning'}, {'start': '254.959', 'end': '258.479', 'text': 'correctly.'}, {'start': '256.479', 'end': '260.359', 'text': 'In the first step of troubleshooting'}, {'start': '258.479', 'end': '263.120', 'text': 'DTCP'}, {'start': '260.359', 'end': '265.639', 'text': 'P0128, begin by starting the engine'}, {'start': '263.120', 'end': '267.919', 'text': 'under specified enable'}, {'start': '265.639', 'end': '270.560', 'text': 'conditions. Effective monitoring'}, {'start': '267.919', 'end': '274.160', 'text': 'requires the engine off time to be at'}, {'start': '270.560', 'end': '276.320', 'text': 'least 6 hours along with an intake air'}, {'start': '274.160', 'end': '278.639', 'text': 'temperature that falls within the'}, {'start': '276.320', 'end': '282.040', 'text': 'operational range outlined in the'}, {'start': '278.639', 'end': '284.560', 'text': 'diagnostic data. After confirming these'}, {'start': '282.040', 'end': '289.199', 'text': 'conditions, drive the vehicle at speeds'}, {'start': '284.560', 'end': '290.199', 'text': 'between 15 and 75 mph for no less than'}, {'start': '289.199', 'end': '293.360', 'text': '30'}, {'start': '290.199', 'end': '295.199', 'text': 'minutes. As this allows the PCM to'}, {'start': '293.360', 'end': '297.759', 'text': 'assess whether normal coolant'}, {'start': '295.199', 'end': '300.000', 'text': "temperatures are being reached, it's"}, {'start': '297.759', 'end': '302.639', 'text': 'crucial that ambient conditions permit'}, {'start': '300.000', 'end': '306.240', 'text': 'such driving to ensure reliable'}, {'start': '302.639', 'end': '308.759', 'text': 'readings. Following this procedure helps'}, {'start': '306.240', 'end': '311.360', 'text': 'determine if the issue persists for'}, {'start': '308.759', 'end': '314.080', 'text': 'misdiagnosis or if it will resolve'}, {'start': '311.360', 'end': '317.479', 'text': 'through normal operations. In the second'}, {'start': '314.080', 'end': '320.479', 'text': 'troubleshooting step for DTC'}, {'start': '317.479', 'end': '323.199', 'text': 'P0128, utilizing the Honda diagnostic'}, {'start': '320.479', 'end': '325.759', 'text': 'system is key to checking for any'}, {'start': '323.199', 'end': '327.919', 'text': 'potential diagnostic trouble codes that'}, {'start': '325.759', 'end': '330.479', 'text': 'may illuminate further issues with the'}, {'start': '327.919', 'end': '332.880', 'text': 'cooling system. confirm that the'}, {'start': '330.479', 'end': '335.360', 'text': 'conditions outlined for effective'}, {'start': '332.880', 'end': '338.000', 'text': 'monitoring have been satisfied. This'}, {'start': '335.360', 'end': '340.880', 'text': 'confirmation procedure aids in verifying'}, {'start': '338.000', 'end': '343.600', 'text': 'whether the PCM has properly registered'}, {'start': '340.880', 'end': '346.560', 'text': "the engine's temperatures and that no"}, {'start': '343.600', 'end': '347.880', 'text': "other active DTC's exist that could"}, {'start': '346.560', 'end': '350.479', 'text': 'influence'}, {'start': '347.880', 'end': '353.199', 'text': 'performance. Addressing any accompanying'}, {'start': '350.479', 'end': '356.479', 'text': 'faults is vital as the presence of'}, {'start': '353.199', 'end': '358.000', 'text': "multiple DTC's may skew diagnostic"}, {'start': '356.479', 'end': '359.919', 'text': 'results.'}, {'start': '358.000', 'end': '362.800', 'text': 'Understanding how to utilize the'}, {'start': '359.919', 'end': '364.960', 'text': 'diagnostics effectively ensures that'}, {'start': '362.800', 'end': '368.080', 'text': "every angle of the engine's cooling"}, {'start': '364.960', 'end': '371.240', 'text': 'system is assessed appropriately. Final'}, {'start': '368.080', 'end': '374.080', 'text': 'repair verification for'}, {'start': '371.240', 'end': '376.880', 'text': 'DTCP0128 involves a series of critical'}, {'start': '374.080', 'end': '380.080', 'text': 'checks to ensure effective rectification'}, {'start': '376.880', 'end': '382.160', 'text': 'of the problem. First, check for any'}, {'start': '380.080', 'end': '385.120', 'text': 'recurrence of the diagnostic trouble'}, {'start': '382.160', 'end': '387.360', 'text': 'code after addressing the initial issue'}, {'start': '385.120', 'end': '389.720', 'text': 'as this allows you to confirm that the'}, {'start': '387.360', 'end': '392.319', 'text': 'repairs made have resolved the'}, {'start': '389.720', 'end': '394.800', 'text': 'malfunction. Next, ensure that the'}, {'start': '392.319', 'end': '396.960', 'text': 'entire cooling system functions'}, {'start': '394.800', 'end': '399.680', 'text': 'properly, which includes thorough'}, {'start': '396.960', 'end': '402.960', 'text': 'inspections and verifying that the'}, {'start': '399.680', 'end': '404.720', 'text': 'thermostat, sensors, and PCM are all'}, {'start': '402.960', 'end': '407.520', 'text': 'working within their designated'}, {'start': '404.720', 'end': '410.479', 'text': 'operational parameters. After these'}, {'start': '407.520', 'end': '413.120', 'text': 'checks, performing a road test is highly'}, {'start': '410.479', 'end': '416.000', 'text': 'recommended, mimicking the same driving'}, {'start': '413.120', 'end': '418.599', 'text': 'conditions as before to evaluate if the'}, {'start': '416.000', 'end': '421.000', 'text': 'vehicle maintains its operational'}, {'start': '418.599', 'end': '423.680', 'text': 'efficiency. Completing this final'}, {'start': '421.000', 'end': '426.400', 'text': "verification ensures both the driver's"}, {'start': '423.680', 'end': '428.720', 'text': "safety and the vehicle's performance."}, {'start': '426.400', 'end': '430.800', 'text': 'Engaging in preventive maintenance can'}, {'start': '428.720', 'end': '432.840', 'text': 'significantly reduce the likelihood of'}, {'start': '430.800', 'end': '435.280', 'text': 'encountering'}, {'start': '432.840', 'end': '438.560', 'text': 'DTCP0128 and similar issues in the'}, {'start': '435.280', 'end': '441.440', 'text': 'future. Firstly, regularly checking the'}, {'start': '438.560', 'end': '443.520', 'text': 'engine coolant levels is crucial as low'}, {'start': '441.440', 'end': '447.199', 'text': "coolant can affect the thermostat's"}, {'start': '443.520', 'end': '449.599', 'text': 'ability to function correctly. Secondly,'}, {'start': '447.199', 'end': '452.319', 'text': "periodically inspecting the thermostat's"}, {'start': '449.599', 'end': '455.280', 'text': 'operation ensures that it is not stuck'}, {'start': '452.319', 'end': '458.440', 'text': 'in a closed or open position, enabling'}, {'start': '455.280', 'end': '461.199', 'text': 'prompt repair before symptoms escalate.'}, {'start': '458.440', 'end': '462.880', 'text': 'Additionally, monitoring overall engine'}, {'start': '461.199', 'end': '465.280', 'text': 'performance can help identify'}, {'start': '462.880', 'end': '468.400', 'text': 'discrepancies that may lead to larger'}, {'start': '465.280', 'end': '470.800', 'text': 'issues down the line. Keeping an eye on'}, {'start': '468.400', 'end': '473.840', 'text': 'temperatures and unusual operating'}, {'start': '470.800', 'end': '476.080', 'text': 'conditions provides insights, allowing'}, {'start': '473.840', 'end': '478.800', 'text': 'proactive actions and ensuring the'}, {'start': '476.080', 'end': '482.039', 'text': 'reliability of your Honda Accord. In'}, {'start': '478.800', 'end': '484.639', 'text': 'conclusion, addressing'}, {'start': '482.039', 'end': '486.960', 'text': 'DTCP0128 requires a comprehensive'}, {'start': '484.639', 'end': '489.440', 'text': 'understanding of the cooling system.'}, {'start': '486.960', 'end': '492.960', 'text': 'Specifically, the role of the thermostat'}, {'start': '489.440', 'end': '495.599', 'text': 'and ect sensors. Recognizing that the'}, {'start': '492.960', 'end': '498.720', 'text': 'thermostat regulates coolant temperature'}, {'start': '495.599', 'end': '501.919', 'text': 'directly impacts engine efficiency and'}, {'start': '498.720', 'end': '505.199', 'text': 'emission levels. Thorough monitoring of'}, {'start': '501.919', 'end': '508.400', 'text': 'ect sensor readings must occur to ensure'}, {'start': '505.199', 'end': '512.159', 'text': 'accurate assessments by the PCM leading'}, {'start': '508.400', 'end': '514.959', 'text': 'to effective troubleshooting solutions.'}, {'start': '512.159', 'end': '517.599', 'text': 'Following detailed diagnostic steps is'}, {'start': '514.959', 'end': '520.560', 'text': 'crucial in accurately identifying the'}, {'start': '517.599', 'end': '523.039', 'text': 'root cause. Lastly, performing'}, {'start': '520.560', 'end': '525.160', 'text': 'preventive maintenance can prolong'}, {'start': '523.039', 'end': '527.200', 'text': 'vehicle longevity and enhance'}, {'start': '525.160', 'end': '529.279', 'text': 'performance. By applying these'}, {'start': '527.200', 'end': '532.519', 'text': 'principles, you can ensure that the'}, {'start': '529.279', 'end': '535.200', 'text': 'Honda Accord operates at peak'}, {'start': '532.519', 'end': '539.200', 'text': 'efficiency. Please like and subscribe to'}, {'start': '535.200', 'end': '539.200', 'text': 'the channel. See you next time.'}]