The engine control module ( ECM) is what determines and governs the length of time that Aug 15, 2023 · The P0128 code is connected to the cooling system. - Engine Coolant Outlet O-Ring - GM (12649985) Tools needed: May 18, 2023 · The solution to a P0128 code depends on its root cause. When a thermostat is stuck open, it allows coolant May 29, 2023 · One common issue is the P0128 code on Chevrolet vehicles. Leaking or stuck open thermostat. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. It runs fine when in Park and Reverse and Neutral but when in Drive it is loud and has a vibrating sound. Resolved b Issue with Yukon cooling fans staying on after engine is turned off. Faulty Engine Coolant Temperature Sensor – Faulty wiring or a bad sensor can also lead to a P0128 code reading. What this boils down to is that there is a problem with the engine not reaching its operating temperature within a certain amount of time. Average Reported Jun 1, 2022 · Hey everyone! Replacing the thermostat on a Chevy 2. In some GM cars when the code P0128 is set, the temperature gauge stops working and the radiator fans run constantly. Fixing P0128 in the Chevy Colorado is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Heater is not hot enough due to the coolant temperature in the engine being low 2. Jan 13, 2021 · 2017 3. 7) Coolant Flow Restriction. When a thermostat is stuck open, it allows coolant May 10, 2016 · Most all vehicles normally operate with readings a midrange. My P0128 Fix. When a thermostat is stuck open, it allows Nov 6, 2018 · P0128 Causes: Chevy Traverse. Engine coolant temperature sensor harness is open or shorted. Very common GM problem. Faulty Engine Coolant Temperature (ECT) sensor. My check engine light is also on and when checked with the code reader, the 2 codes that came up were P0128 and P04 Nov 6, 2018 · P0128 Causes: Chevy S10. Fans default on and ECT gauge defaults cold. The amount of heat an engine generates is proportional to the amount of air that enters the engine. Reparar el código de falla P0128 del Chevrolet Cruze puede ser un proceso complicado, pero afortunadamente hay algunas soluciones simples para solucionar este problema. 3) Bad Coolant Temperature Sensor. 1) Faulty Thermostat. Fixing P0128 in the Chevy HHR is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. 00. 8) Contaminated Coolant. or, Mar 1, 2014 · A P0128 is a code is an indication of a faulty thermostat or ECT (engine coolant temp sensor). #2 · Oct 23, 2019. I do not have the Chevy-Specific package, but the generic powertrain scanner usually works for most codes/models. Scanner results: -DTC P0128. When a thermostat Today I will show you how to fix the Steering Assist is Reduced warning light and the P0128 code on your Chevy GMC vehicle Coolant Temp Sensor GM# 12650595M May 28, 2024 · The P0128 code is set when the engine control module (ECM) determines that coolant temperature is lower than the original equipment thermostat’s opening temperature. #2. It is important to address this code promptly to ensure the proper functioning of the vehicle and prevent any potential damage. The manufacture designs the engine to run at a specific operat Apr 2, 2009 · DTC P0128. Fixing the P0128 Code with Goodhood Aug 16, 2022 · No cold air trough the AC. When a thermostat Jul 21, 2021 · P0128 Hyundai Coolant Thermostat. Export Regions Condition Some customers may comment on the Steering Assist Reduced, Drive With Care message Jul 21, 2021 · To diagnose the P0128 code, it typically requires 1. When a thermostat is stuck Oct 22, 2022 · Check Engine light on with code P0128. If the Engine Coolant Temperature Sensor is faulty, it too will need to be replaced. When a thermostat is stuck open, it allows coolant Oct 22, 2019 · 4138 posts · Joined 2012. If the sensor is not a part of the fan it has to be connected to the circuit somewhere between the fan and the fuse or relay. 151 posts · Joined 2010. Check Engine light on with code P0128. May 28, 2024 · Troubleshooting the common P0128 temperature sensor diagnostic code. The last two characters "28" are DTC numbers. 2L. P0128 Infiniti Thermostat Function 📷. A family member has a 2017 Colorado with the 3. Similar codes: P0125 GM In determining the engine did not reach a “normal Nov 6, 2018 · Fixing P0128 in the Chevy Camaro is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. When a thermostat is stuck Nov 6, 2018 · Fixing P0128 in the Chevy Sonic is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. If you're running at 160 degrees, for instance, the heater might work fine in the winter, but the engine is still not operating in its designed temp range. Fixing P0128 in the Chevy S10 is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Algunas causas pueden ser: Termostato defectuoso: El circuito del termostato del refrigerante puede presentar fallas, lo que impide que funcione correctamente y cause el código de diagnóstico P0128. Lack of heat– The most prominent symptom of the P0128 trouble code in the Chevy Trailblazer is the lack of heat. 4) Damaged Wires. P0126 as well as P0128 can occur along with this trouble code. Dec 30, 2022 · If your car is showing the P0128 engine code, there is likely an issue with a leaking cooling system or thermostat. Check the coolant hose and the temperature of the coolant flowing through it. Will monitor and report back if any issues. A malfunctioning coolant thermostat is the most common cause of this engine code. Serial Data Message Authentication also May 12, 2024 · When addressing the P0128 code in your Chevrolet Silverado, start by checking the engine coolant level and quality. Feb 19, 2013 · P0128: Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature. Nov 6, 2018 · P0128 Causes: GMC Yukon. The intent of the P0128 GM code is to indicate a faulty thermostat. This input is used by the powertrain control module (PCM) for engine control and as an enabling criteria for some diagnostics. Recommend purchasing repair manual to troubleshoot malfunction accurately before buying/replacing parts. thanks for Aug 15, 2021 · How to replace temperature sensor Meaning. 3Customer Concern: The check engine light is on with a code P0128 for cooling system performance problem. Still getting this P0128 Engine Coolant Temp code. Engine coolant temperature sensor circuit poor electrical connection. Radiator Fan Malfunction – Your car’s radiator fan helps cool the engine and Apr 13, 2012 · A P0128 means that it is taking too long for the coolant to come up to temp, not that it's not hot enough. This is an older thread, you may not receive a response, and could be reviving an old thread. An engine coolant temperature (ECT) sensor monitors the temperature of the coolant. Causas del código OBD2 P0128 Genérico. They make a service pigtail that can easily be installed in place of the original connector. 6l RS. Basically it sees the temp rise then fall agian and then it states that the regulating thermostat is not workign properly. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When a thermostat is stuck Apr 11, 2019 · Procedure I use for fix. After the driver starts the engine, the coolant should reach a temperature of 160° F in 15 minutes. p0128 codes are usually due to thermostats being stuck open not fully but just enough not allow the vehicle to fully reach operating temp. A. P0126 means “Insufficient Coolant Temperature for Stable Operation,” while P0128 means “Engine Coolant Temperature Below Thermostat Regulating Temperature. Nov 6, 2018 · Fixing P0128 in the Chevy Cruze is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Parts ordered: - Engine Coolant Thermostat and Housing Assembly (12678784). P0410 and P0128 codes 2005 chevy trailblazer LS My 2005 Chevy Trailblazer is running rough when it is cold and put in drive. Oct 26, 2021 · The trouble code P0125 is typically associated with other codes that could help you narrow down the cause of the problem. #10 · Nov 11, 2011. To diagnose the P0128 2018 Chevrolet Silverado code, it typically requires 1. 2. NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. When a thermostat is stuck open, it allows coolant Nov 5, 2023 · Steering Message and Code- P0128 - Op Code for service 0401 and 4032680. It had a check engine light and the trouble code p0128 was popping up. Oct 17, 2022 · Member. P0128 Lexus Coolant Thermostat 📷. Jan 6, 2020 · Posts: 7. Nov 6, 2018 · P0128 Causes: GMC Canyon. 0. Covered under 5 year/60k Miles Powertrain Warranty. 5% of the time it is caused by the thermostat stuck open. It was recommended that I change the Thermostat. Estos son los pasos a seguir para reparar el código de falla P0128 del Chevrolet Cruze: Chevrolet Silverado 1500 (New Model) 2019 2020 - - LV3 - GMC Sierra 1500 (New Model) Involved Region or Country North America Condition Some customers may comment that the MIL is illuminated. Not a great thing to have happen here in The P0128 Chevy code in a vehicle refers to a potential issue with the engine’s coolant temperature, specifically the thermostat. It had a check engine light and the trouble code p0128 5 days ago · P0128 Code Help. The next cause is a problem with the engine coolant temperature sensor or the wiring associated with the sensor. El código P0128 se genera cuando el sistema de control del motor detecta una lectura baja para la temperatura del motor aumentando el tiempo de espera antes del calentamiento. Shipped within 2 days. There may be a temperature sensor in the fan that has failed open keeping the fan from turning on. 4L is not difficult at all! This video explains step by step of how to replace your thermostat! Make sure Dec 28, 2018 · P0128 Causes: Chevy Uplander. P0128 Isuzu Engine Coolant Temperature Below Thermostat Regulating Temperature. Recently she has been experiencing a random issue where the AC would stop working as she was driving. In this mode, when everything is warmed up, the ECM begins to use the oxygen sensor(s) for fuel control. P0128 KIA Coolant Thermostat Malfunction. Fixing P0128 in the GMC Yukon is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Rad fan is on, and stays on for about 10sec after turning the truck off. May 3, 2019 · Fixing P0128 in the GMC Sonoma is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. The Two most common causes of a P0128 code. If the coolant is low, find and fix the leak, then refill to the recommended level. Look very closely at the connector and youll most likely find coolant has wicked through the original sensor and is skewing the temperature readings. in this video I replace the thermostat in a 05 Chevy Malibu with a 3. Lack of heat– The most prominent symptom of the P0128 trouble code in the Chevy Monte Carlo is the lack of heat. Low coolant levels or poor-quality coolant can affect the engine temperature, triggering the P0128 code. 0 hour of labor. Insufficient warm up time. Oct 24, 2018 · Te suministramos todo lo que necesitas saber sobre el código DTC P0128 ️ Descripción, ️ causas, ️ síntomas y ️ posibles soluciones. 99. This code is specific to GMC vehicles and is often found in models like the Sierra, Yukon, and Acadia. This can cause the P0128 code to be triggered. P0128 Jeep Thermostat Rationality. Jul 18, 2015 · P0128 in 2006 Malibu LT 2. 6l V6. 6) Bad Intake Air Temperature Sensor. 6 P0128 code. Jun 6, 2021 · Disconnect the temp sensor in the coolant outlet on the drivers side of the engine. When a thermostat Nov 6, 2018 · P0128 Causes: Chevy Cavalier. Once it does, the coolant temperature sensor is there to keep the temperature above 160° F. When a thermostat is stuck open, it allows Mar 8, 2022 · Hello for today's video I am working on a 2016 chevy silveraldo. When a thermostat is stuck open, it allows coolant Nov 6, 2018 · P0128 Causes: Chevy Suburban. Symptoms also included AC not working. P0128 Jaguar Coolant Thermostat Malfunction. Se enciende la luz de fallo de motor (Check Engine). Jan 3, 2020 · On Description they wrote: Regulating Temperature. Causas del código DTC P0128 2016 Chevrolet Silverado Oct 4, 2016 · This is the easy way to change the thermostat in an Envoy or Trailblazer, without disturbing anything else. Fixing P0128 in the Chevy Aveo is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Sensor de temperatura defectuoso: Si el sensor de It is possible to fix the P0128 code at home by yourself, but not all the time; outcomes would be effective. Fixing P0128 in the GMC Envoy is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Engine Coolant Temperature sensor harness is open or shorted. Fixing P0128 in the Chevy Trax is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. This indicates an engine temperature below the required level for efficient operation. My coolant temp would never go above 167 F. Fixing P0128 in the Chevy Uplander is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Cant identify if its the Sensor or the thermostat. When a thermostat The P0128 code is connected to the cooling system. 5 - 179. May 11, 2023 · Possible Causes. I have seen videos pertaining to replacing the sensor but not explaining the cause of t Important: When programming a module in GM’s new Vehicle Intelligence Platform, or VIP, the power mode (ignition) needs to be off or errors may occur. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. If the sensor is sending incorrect readings to your engine control module, it may think that the engine is running at a lower temperature than it actually is. Fixing P0128 in the Chevy Traverse is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. P0128 is an extension of OBD-II code P0 which indicates a problem with your car’s coolant thermostat. When a thermostat is stuck open, it allows Apr 15, 2024 · The most common causes include: Thermostat That’s Stuck Open – The most common cause of code P0128 is a leaky or stuck engine coolant thermostat. When a thermostat is stuck Nov 6, 2018 · Fixing P0128 in the GMC Sierra is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Podría estar defectuoso el Sensor de temperatura de refrigerante (ECT). It is common for most auto repair shops to charge between $75 and $150 per hour. If the coolant temperature doesn’t reach that temperature, or it takes it too long, the P0128 Aug 10, 2018 · Vehicle Application: 2001 Accord 2. I replaced the thermostat housing for my Camaro v6 3. it had a a code for p0128 and the heater wasent working like it should. Jun 17, 2009 · P0128 simply sets when the PCM sees an ECT under 176 degrees F when the engine's been running for a while and it KNOWS the coolant temp should be higher than that. Faulty engine coolant temperature sensor. Replaced water pump and coolant. Seems to have fixed the issue. I bought thermostat housing from autozone for $71. Replace the thermostats and it will go away for good. When this code is triggered, it means that the engine coolant temperature sensor has detected a coolant temperature that is not within the specified range. 2) Insufficient Coolant. Causes of P0128 Code. ” Nov 5, 2018 · Fixing P0128 in the Jeep Cherokee is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Los signos de un código de falla P0128 Chevrolet generalmente son: Temperatura del refrigerante del motor por debajo de la temperatura regulada por el termostato. Hay un bajo nivel de refrigerante del motor. When a thermostat is stuck The Chevrolet Spark P0128 diagnostic trouble code is often a result of a stuck engine coolant thermostat. This did not fix the issue. Temp gauge needle bottom cold. A DTC P0128: Engine Coolant Temperature Below Thermostat Regulating Temperature, will set if, The maximum airflow has been detected and a coolant temperature of 158°F hasn't been attained, after a startup with temperatures below 50°. The vast majority of the time, it’s a bad thermostat that opens too quickly. LEER SOLUCIÓN DEL CÓDI Apr 9, 2023 · To diagnose the P0128 GMC code, it typically requires 1. If the radiator hose takes more than 5 minutes to heat up, the thermostat is constantly open. Pérdida de potencia del motor. When the DTC sets the engine did not reach a predetermined temp in a calculated time. Other Chevy cars also seem to experience this quite often, such as the Trailblazer (fun fact, check out our guide on the Trailblazer bolt pattern ), Cruze , and the Impala. When a thermostat is stuck open, it allows Cómo Reparar el Código de Falla P0128 del Chevrolet Cruze. If the thermostat is faulty, it will need to be replaced. Check engine light is on. My Fan was on full blast after 15 min of start up. Low engine coolant level. When a thermostat is stuck open, it allows coolant . Other symptoms may include poor engine performance and a decrease in fuel economy. At the same time, the price of an ECT sensor might range from around $300-320. Nov 6, 2018 · Fixing P0128 in the Chevy Impala is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Nov 6, 2018 · Fixing P0128 in the GMC Acadia is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. An engine coolant thermostat will regulate the amount Dec 28, 2018 · Fixing P0128 in the Chevy Venture is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Dec 28, 2018 · P0128 Causes: Chevy Trax. May 11, 2023 · What is the Cost to Diagnose the Code P0128 2018 Chevrolet Silverado? Labor: 1. Oct 18, 2022. Be careful when doing this to avoid burning. Cause Oct 27, 2020 · =====Claim your FREE engine code eraser 👉 https://free. The two most common causes of a P0128 are bad thermostat or a bad engine coolant temperature sensor. Apr 9, 2023 · NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. This involves the 2020 Chevrolet Corvette, Cadillac CT5 and CT4, as well as the upcoming full-size Chevrolet, GMC, Cadillac SUVs and Buick Envision. The coolant thermostat is responsible for blocking the coolant from entering the radiator until the engine reaches the correct temperature. I would check those 2 items. -Engine coolant temperature while driving172. 5) Faulty Radiator Fan. P0128 Code. Pueden haber diversas razones por las que se detecta un código DTC P0128 en un vehículo. In essence, the P0128 trouble code means that the engine coolant is not getting warm enough, quickly enough. Insufficient warm-up time. Feb 21, 2024 · The P0128 code can also be triggered by malfunctions in the engine coolant temperature sensor or its circuit. The PCM draws from a few key pieces of data during this time to maximize engine efficiency, including the Engine Coolant Síntomas del código OBD2 P0128 Chevrolet. Here are the most common causes of P0128: Thermostat Stuck Open – Far and away, the most typical cause for the P0128 code is a thermostat that is stuck open. Reparar el código P0128 en un Chevy Trailblazer implica la evaluación de varios factores, por lo que hay distintas soluciones. Insufficient coolant can lead to the thermostat not functioning correctly, causing the engine to run cooler than it should. If you fix it at home, you may need the cost to replace the thermostat ranging around $15-300. Nov 6, 2018 · P0128 Causes: Chevy Aveo. Only 44k miles on 2019 Blazer. Circuit Description. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings. When a thermostat is stuck Jan 7, 2023 · P0128 is a generic powertrain code that means the engine control module (ECM) detected that the motor hadn’t reached its required operating temperature within the required timeframe set by the manufacturer. Ok, so the last month or so I have had the CEL come on a couple time, and usually go off after. This article will cover the common causes and solutions for this code on Chevrolet vehicles and present some possible fixes that you can try. Car takes too long to warm up, or the temperature gauge does not go up as high as it used to. Mayor consumo de combustible. First off hello everyone, new guy here, coming in hot with an issue! Long post (I tend to be very detailed) so buckle up lol. P0 codes are displayed as P0XXX, with the third numeral in the code sequence signifying Oct 21, 2023 · P0128 Chevy Silverado To give you an idea of what the problem looks like, below is a video from Go-Getter Garage with his Chevy Silverado. Some technicians may find DTC P0128 (Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature) set in the Engine Control Module (ECM). When the thermostat doesn Nov 21, 2018 · Fixing P0128 in the Dodge Ram is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. This is the most obvious symptom and is the first indication that something is wrong. Engine light is on: When the P0128 code appears, the check engine light will illuminate the dashboard. Please consider creating a new thread. This time it stayed on, so the soon as I got the new charger for my laptop, I scanned it with Auto Enginuity. Clearing the code will turn off the fan and make the AC work but only for a day or so and the temp gauge stays at the bottom. If the gauge is showing that the engine is not May 11, 2023 · Code P0128 Chevrolet Description. The air flow coming into the engine is accumulated and used to determine if the engine has been driven Nov 6, 2018 · P0128 Causes: Chevy HHR. Aug 29, 2022 · The P0128 code indicates a problem with the cooling system (coolant system). When a thermostat is stuck open, it allows coolant Jul 31, 2021 · In many GM cars and trucks (Chevrolet Trailblazer, Silverado, HHR and other models) the code P0128 is often caused by a sticking thermostat. co 👈=====Engine Code P0128 Saving Repair Part Nov 6, 2018 · The most common symptom of a P0128 trouble code in a Chevy Monte Carlo is an illuminated malfunction indicator lamp (MIL). nonda. Fixing P0128 in the Chevy Cavalier is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. The ECM can also also set a P0128 if the engine reaches operating temperature but can’t maintain that temperature. The powertrain control module uses the engine coolant temperature sensor to monitor the engine's temperature. Nov 6, 2018 · P0128 Causes: Chevy Colorado. When a thermostat is stuck Nov 6, 2018 · Fixing P0128 in the Chevy Tahoe is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. OBD2 Code P0128 GM definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. They referenced a code P0128. Temperature gauge reads low: Another symptom of this fault code is a low reading on the temperature gauge. Nov 6, 2018 · The most common symptom of a P0128 trouble code in a Chevy Trailblazer is an illuminated malfunction indicator lamp (MIL). Feb 22, 2024 · The P0128 code can be set while the PCM is monitoring engine warm-up. When a thermostat Jan 14, 2024 · The P0128 code is a diagnostic trouble code that indicates a low coolant temperature. P0128 and U0401 Set Brand: Model: Model Year: VIN: Engine: Transmission:Brand: Model: from to from to Engine: Transmission: Cadillac XT5 2017 2017 LGX GMC Acadia (VIN N) 2017 2017 Involved Region or Country North America and N. The Engine Control Module monitors the temperature of the engine coolant for engine control and as enabling criteria for some diagnostics. There are two main symptoms for the P0128 code: 1. Once it does, the coolant temperature sensor Nov 6, 2018 · P0128 Causes: GMC Envoy. P0128 CHEVROLET Possible Causes. Bill came to over $700. Fixing P0128 in the GMC Canyon is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Un código P0128 puede ser causado por uno o más de los siguientes problemas: El termostato puede estar pegado o presenta fugas. El tiempo de calentamiento no es suficiente. Fixing P0128 in the Chevy Suburban is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. Oct 14, 2010 · NickG. The powertrain control module notices that the engine temperature is below where it should be operating. 5. 6 f. When the thermostat doesn Los signos de un código de falla P0128 2016 Chevrolet Silverado normalmente son: Temperatura del refrigerante del motor por debajo de la temperatura regulada por el termostato. ay ty qw as wa ve el qu ah pe