Jeep p0128

Code Definition. P0128 – Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) What Does the P0128 Code Mean? …Steps To Reset P0128 Code Now. Step By Step Guide On How To Reset The P0128 Code. Step 1: Check The Engine Coolant Temperature Sensor. Step 2: Drain The Coolant. Step 3: Remove The Thermostat. Step 4: Install New Thermostat. Step 5: Replace Coolant. Safety Tips To Follow When Resetting The Code.A coolant temp sensor is code 0118, after parts installation, I cleared the codes. Now check engine light came on within a few days of driving, P0128, T-stat stuck open, PO said he replaced with a new one, I went ahead and put in a non-valve SuperStant 195deg. Cleared codes.My 2016 Jeep Wrangler JKU has been throwing up the CEL with a P0128 Code off and on during the winter months. The trouble code is generated by the engine coo...2008 Jeep Liberty Auto Trans 1988 E-150 4.9L 5 Speed Stick God Bless Our Troops. ... I've got the P0128 Code. I ordered a digital laser infrared thermometer and will check the temp at the thermostat housing. I need the thermometer for other things, so the time was right ($14 on Amazon). I will check …P0128 Thermostat gasket/Housing replacement tutorial on a 2013 Jeep Wrangler 3.6 Don't forget to like and sub! Need help? Comment on what video we should fil...Jan 3, 2023 · How to change the thermostat on the 2015-2022 Jeep Grand Cherokee 3.6L v6. Check engine code P0128. IG: Ljs_Garage_ P0128 Thermostat gasket/Housing replacement tutorial on a 2013 Jeep Wrangler 3.6 Don't forget to like and sub! Need help? Comment on what video we should fil...Nov 5, 2018 · The most common symptom of a P0128 trouble code in a Jeep Commander is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep Commander is the lack of heat. When the thermostat doesn’t ... Nov 5, 2018 · The most common symptom of a P0128 trouble code in a Jeep Commander is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep Commander is the lack of heat. When the thermostat doesn’t ... All you want to do is view that PDF, but Adobe Reader takes forever to load, especially on an older PC. If an Adobe Reader alternative isn't a possibility for you, the Arsgeek webl...My 2016 Jeep Wrangler JKU has been throwing up the CEL with a P0128 Code off and on during the winter months. The trouble code is generated by the engine coo...Check Details How to fix jeep p0300 engine code in 3 minutes [2 diy methods / only $4. Jeep grand cherokee, customer states, check engine light on, p0128Introducir 81+ imagen engine code p0128 jeep wrangler How to fix jeep p0404 engine code in 3 minutes [2 diy methods / only $4Jeep getting check ivan 0l 2004 comes engine …Mongo53. 5008 posts · Joined 2018. #6 · May 28, 2018 (Edited) The P0128 codes means the engine isn't warming up fast enough. Its for emissions, because a cold engine makes more pollution than a fully warmed up engine. Sure, logically an engine not warming up fast enough could be a thermostat.2014 Jeep Wrangler- Codes P2181 and P0128. Jump to Latest Follow ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ …Check engine light code P0128 on a Jeep. J... @HowIFixedIt Replacing thermostat and housing on a Jeep. 2014 Jeep Grand Cherokee thermostat location replacement.About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. No real drivability problems other than a slight bog when the jeep shifted into third gear. I brought it to the dealer and the driver side cylinder head had to be replaced. Under warranty, thank God.Apr 6, 2022 ... OnlineMechanicTips Thank you for all your great vids Some extra tips here on replacing a 2.4L Mopar thermostat. Music: www.bensound.com ...P0128 Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature). 2017 Jeep Wrangler Unlimited - Answered by a verified Jeep Mechanic. ... A little low on coolant will not cause p0128. Most likely the thermostat is faulty. Ask Your Own Jeep Question.The last two characters "28" are DTC numbers. OBD2 Diagnostic Trouble Code P0128 indicates that coolant temperature is below thermostat regulating temperature. When the engine first starts up, the engine coolant temperature (ECT) sensor and an intake air temperature (IAT) sensor both have similar temperature readings.Overview on how to replace the thermostat on 2012 - 2017 Jeep Wranglers with 3.6L engine. This had the P0128 code. Hardest part of the job is bleeding the ...7 posts · Joined 2010. #1 · Jan 26, 2011. I just received diagnostic code P0128 while driving home. From my search I understand it is an issue with the thermostat or coolant. Which makes sense as the following has played out in the last few days: 4 days ago I noticed my coolant level was about a half inch below the minimum line on the coolant ...Fixing P0128 in the Dodge Caravan is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. 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. When a thermostat is stuck open, it allows ...Steps To Reset P0128 Code Now. Step By Step Guide On How To Reset The P0128 Code. Step 1: Check The Engine Coolant Temperature Sensor. Step 2: Drain The Coolant. Step 3: Remove The Thermostat. Step 4: Install New Thermostat. Step 5: Replace Coolant. Safety Tips To Follow When Resetting The Code.The most common cause for the P0128 code on a Jeep Grand Cherokee is a faulty thermostat. A faulty thermostat can be what is described as a "stuck open thermostat." Other issues can be low coolant, a bad radiator fan or water pump, an inaccurate engine coolant temperature sensor (ECT sensor), or a bad engine control module. ...The P0128 code on a 2015 Jeep Wrangler indicates a potential issue with the engine coolant temperature (ECT) sensor. This subheading will delve into the details of what the code means and why it is important to address it promptly. Engine coolant temperature (ECT) sensor: This sensor is responsible for measuring the temperature of the engine ...The most common symptom of a P0128 trouble code in a Jeep Liberty is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep Liberty is the lack of heat. When the thermostat …Touchscreen monitors allow users to perform certain functions by simply pressing the screen. You can program touchscreen monitors once the software for the monitors has been instal...P0128-THERMOSTAT RATIONALITY. For a complete wiring diagram,refer to the Wiring Information . When Monitored and Set Conditions. When Monitored: This diagnostic runs when the following conditions are met: - With the engine running. - Start up coolant temperature less than 65°C (149°F).Nov 14, 2023 · HI @Jonathan, The P0128 code is very common. Your Cherokee's computer knows how long it should take for the car to warm up. Using the sensors that measure the air temp (ambient) as well as the temperature of the coolant, if the computer finds a deviation from what it expects or the value is completely out of bounds from what it should be (rationality), it illuminates the CEL and saves a P0128 ... The Jeep JK code P0128 is a Diagnostic Trouble Code (DTC) that indicates a problem with the Engine Coolant Temperature (ECT) sensor or thermostat. This code suggests that the engine is not reaching the proper operating temperature within a specified time frame. 2. Possible causes of the P0128 code in a Jeep JK.The Jeep JK code P0128 is a Diagnostic Trouble Code (DTC) that indicates a problem with the Engine Coolant Temperature (ECT) sensor or thermostat. This …Modern versions of the Jeep include the Grand Cherokee, Wrangler, Compass, Patriot and Renegade. There have been many different model types of Jeep produced since its invention dur...Dec 21, 2016 · 34 posts · Joined 2012. #23 · Jan 13, 2017. Heads up that my 2012 JKU threw a P0128 and it was just because my coolant level had dropped below the min line. The colder weather was enough to trigger it. Once I added some coolant the code cleared and the CEL went away after about 3 drive cycles (about 3 days later). Nov 5, 2018 · The most common symptom of a P0128 trouble code in a Jeep Liberty is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep Liberty is the lack of heat. When the thermostat doesn’t bring ... JEEP CHEROKEE CODE P0128 ENGINE LIGHT ON 2014 2015 2016 2017 2018 2019 2020If you have Jeep Cherokee and you have Code P0128 and your engine light is on we w...12 days and 10 stages spanning 400km on jeep track, goat track...sometimes no track. IT SAYS SOMETHING about this race that none of the international riders who previously complete...Resetting the P0128 code on your Jeep Wrangler is a relatively straightforward process. By understanding the code and following the step-by-step guide, you can tackle this issue and get your vehicle back to its optimal condition. Remember to take preventive measures to avoid the code reoccurring in the future.Nov 5, 2018 · The most common symptom of a P0128 trouble code in a Jeep Commander is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep Commander is the lack of heat. When the thermostat doesn’t ... A bad flight attendant can ruin a stellar flight. An exceptional one can turn a routine flight into a blockbuster. We've seen airlines comes out with some pretty impressive seats i...In this video, we replace the thermostat in a 2015 Jeep Grand Cherokee because of a code P0128. Pretty easy job as long as you don't break anything like I di...WalletHub selected 2023's best motorcycle insurance companies in Illinois based on user reviews. Compare and find the best motorcycle insurance of 2023. WalletHub makes it easy to ...Join the next Future of Travel webinar, as Brian Kelly sits down with an executive from Hyatt to discuss hotel loyalty and wellbeing in the pandemic era. The ongoing coronavirus pa...Nov 30, 2021 ... How to fix p0118 p0128 for 2012 jeep Wrangler Sport Engine Coolant Temperature Sensor thermostat How do I fix code P0118?Feb 17, 2021 ... ... P0128 Thermostat Rationality Test. In short, it means that ... jeep can low coolant cause p0128 code ... how to reset p0128 code how to fix p0128 ...How to Diagnose P0128 Thermostat Issues on a Jeep? When your Jeep has a P0128 code, use these steps to diagnose the root cause:. Use an …A coolant temp sensor is code 0118, after parts installation, I cleared the codes. Now check engine light came on within a few days of driving, P0128, T-stat stuck open, PO said he replaced with a new one, I went ahead and put in a non-valve SuperStant 195deg. Cleared codes.The most common cause for the P0128 code on a Jeep Grand Cherokee is a faulty thermostat. A faulty thermostat can be what is described as a "stuck open thermostat." Other issues can be low coolant, a bad radiator fan or water pump, an inaccurate engine coolant temperature sensor (ECT sensor), or a bad engine control module. ...730 posts · Joined 2009. #18 · Jan 22, 2012. P0128 is when your engine temp drops below the desired operating temp and only happens when you don't let your engine warm up to at least 110 deg. I have a SRT8 so it may differ at bit, i'm not sure, but whenever i got that code, it was because i didn't let the engine warm up and the coolant wasn't ...In this video, we replace the thermostat in a 2015 Jeep Grand Cherokee because of a code P0128. Pretty easy job as long as you don't break anything like I di...The Jeep JK code P0128 is a Diagnostic Trouble Code (DTC) that indicates a problem with the Engine Coolant Temperature (ECT) sensor or thermostat. This …The most common symptom of a P0128 trouble code in a Jeep Wrangler is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. 1. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep … See moreIf you’re in the market for a used Jeep, there are a few things you should keep in mind before making your purchase. Jeeps are known for their ruggedness and off-road capabilities,...The Clara Barton downtown area near Amboy Ave & Main St in Metuchen where many businesses are. There are plenty of ways to take to get from the Edison …codes P013A and P0128 2007 Jeep Commander 5.7 Hemi My Jeep is throwing those codes, but only in cold weather. After the fist time the Check Engine light came on I had the coolant checked when I had an oil change. It was slightly low and the technician replaced the radiator cap and reset the codes. A few days later the check engine light came on.About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. No real drivability problems other than a slight bog when the jeep shifted into third gear. I brought it to the dealer and the driver side cylinder head had to be replaced. Under warranty, thank God.The people of Kerala, India are fantastic and welcoming. From the first day of my trip to the last, they continually proved just how amazing they are! Increased Offer! Hilton No An...Before getting into in-depth knowledge about the P0128 Code, first of all, know what does a P0128 means and how it works in your car. Don’t worry we are here to explain how long can you drive with a P0128 code. P0128 is telling your fix sensor that your car’s coolant thermostat is operating below the regulating temperature.About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. No real drivability problems other than a slight bog when the jeep shifted into third gear. I brought it to the dealer and the driver side cylinder head had to be replaced. Under warranty, thank God.About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. No real drivability problems other than a slight bog when the jeep shifted into third gear. I brought it to the dealer and the driver side cylinder head had to be replaced. Under warranty, thank God.For the first time that I can recall Rubi started throwing an error code. After several months I decided to fix it. Originally I was told it was the …When the code P0128 is set in the Powertrain Computer, the engine is either taking too much time to warm up to the proper operating temperature—more than fifteen minutes, as measured by the Coolant Temperature Sensor—or the operating temperature is going below the 160–170º F range during vehicle operation. This causes the Fuel System to ...Jan 29, 2021 ... We got this 2015 jeep wrangler here with check engine light code p0128 Thermostat below temp. I will show you step by step how to change the ...What the P0128 code means. The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. The Engine Control Module (ECM) determines this length of time based on ambient temperature.Code was P0128. Checked YouTube and the internet and everything said replace the thermostat as it probable stuck open. Cleared the code. Ordered the part and Mopar replacement coolant. ... I've never seen the code yet, but my jeep runs between 80 - 88C (176 - 190F) , similar to my wife's van with the same …– Repair or replace the coolant temperature sensor: If the coolant temperature sensor is faulty, consider repairing or replacing it to ensure accurate temperature …Check Engine Light P0128 error code - 2013 Jeep Grand Cherokee (WK2) - thermostat replacementStep by step how to. My Jeep Grand Cherokee's check engine light...Touchscreen monitors allow users to perform certain functions by simply pressing the screen. You can program touchscreen monitors once the software for the monitors has been instal...=====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0128 Saving Repair Part...Um, yes. Monday morning, 9/12/22, on my way to work my check engine light came on. Panic mode. Got it diagnosed…..code p0128. Researched it as best I could. Low priority fix, thermostat most likely stuck open. Have driven it everyday to work since Mon day, appx 45 miles per day. Had to make a before work stop at Walmart this morning.The Jeep JK code P0128 is a Diagnostic Trouble Code (DTC) that indicates a problem with the Engine Coolant Temperature (ECT) sensor or thermostat. This …In this video we diagnose and repair our Jeep wish a cooling system concern. Purchase your coolant temperature sensor here!: https://amzn.to/3IWuMpJVisit our...Sep 29, 2015 · Ratchet said: P0128 sets when it takes longer than normal for the engine to reach operating temperature. Generally caused by a thermostat that is partially stuck open and/or low engine coolant. If there is a problem with the coolant temperature sensor, there are several trouble codes that can set for that as well. Mar 17, 2018 · Follow up to the original question. My CEL has been on for a few days. Finally scanned last night and got the same code P0128. Coolant was pretty low, but not below the add line. I went ahead and topped off the coolant. Was hoping that's the simple fix before replacing the thermostat. The jeep is running fine, all the temperatures seem normal. The P0128 fault code is a pretty common one, and there are a couple of things that cause it. If you’re dealing with a P0128 code, make sure to inspect the following things components. The first and most common cause for the P0128 code is a faulty thermostat. The thermostat can get stuck in an open position, preventing …Its a 10mm and about 2 minutes of time to unhook a battery cable, thermo was stuck wide open as they are designed to fail that way and not closed. Heater will cook a steak with a new one installed. Reset it and forget about it, ive done a few of these over the years, always a p0128 especially if you let it idle before you drive it.Every week, we share a number of downloads for all platforms to help you get things done. Here were the top downloads from this week. Every week, we share a number of downloads for...The Jeep Grand Cherokee is one of the most iconic vehicles on the road today. For decades, it has been a symbol of adventure and freedom, and now it’s getting an all-new makeover f...Post up what fixes your P0128 code. My Jeep just started throwing P0128 code. Most likely you still have AEM warranty. Original AEM warranty 48 months 48k miles from date of software update. AEM warranty got extended another 12 months 12k miles on the second software update. My 2015 Jeep AEM warranty expires in June of 2024.About two weeks ago while driving my jeep threw three codes. P0128 (coolant temp low), P0306 (misfire on cylinder 6) and random misfire. No real drivability problems other than a slight bog when the jeep shifted into third gear. I brought it to the dealer and the driver side cylinder head had to be replaced. Under warranty, thank God.The Jeep code P0128 is a generic code, meaning it is applicable to various Jeep models and other vehicles. It is primarily associated with a malfunctioning thermostat or a problem with the engine’s cooling system. Possible Causes of Jeep code P0128. There are several potential causes for the Jeep code P0128, including:Check engine light code P0128 on a Jeep. J... @HowIFixedIt Replacing thermostat and housing on a Jeep. 2014 Jeep Grand Cherokee thermostat location replacement.Sirius satellite radio is available in many new cars, including Jaguar, Mazda, Ford, Jeep, Chrysler, Dodge, Mercedes-Benz, BMW, Volvo, Volkswagen and Audi vehicles. If your new car...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. This timeframe depends on other facts, such as ambient temperature. What the P0128 code means. The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. The Engine Control Module (ECM) determines this length of time based on ambient temperature.The Jeep JK code P0128 is a Diagnostic Trouble Code (DTC) that indicates a problem with the Engine Coolant Temperature (ECT) sensor or thermostat. This code suggests that the engine is not reaching the proper operating temperature within a specified time frame. 2. Possible causes of the P0128 code in a Jeep JK.May 29, 2018 · I need to get my inspection done but my CEL was on with p0128 code. I replaced the thermostat, drove a couple days and the CEL went off. Continued to drive for a few more days. I still cannot get inspected (NY) because the vehicle is showing a P0128 as a "stored" code (using Foxwell NT201 OBD reader), even though the CEL is off. Fullerton Chrysler Jeep Dodge Ram car dealership serving the greater Edison NJ area. Chrysler Jeep Dodge Ram Dealership selling and servicing all new Chrysler …Theory of Operation for P0128: The PCM predicts what the engine coolant temperature should be, based on the engine coolant temperature at start-up, ambient temperature and how the vehicle is subsequently driven. ... A forum community dedicated to Jeep Commander owners and enthusiasts. Come join the discussion about lift kits, …Cambio de termostato Jeep Grand Cherokee código de avería P0128, #p0128, #Termostato, #Jeep, #JeepGrandCherokee, codes P013A and P0128 2007 Jeep Commander 5.7 Hemi My Jeep is throwing those codes, but only in cold weather. After the fist time the Check Engine light came on I had the coolant checked when I had an oil change. Ratchet said: P0128 sets when it takes longer than normal for the engine to reach operating temperature. Generally caused by a thermostat that is partially stuck open and/or low engine coolant. If there is a problem with the coolant temperature sensor, there are several trouble codes that can set for that as well. P0128 is a common error code on Jeeps, typically indicating a problem with the engine coolant thermostat. This error code usually points to a malfunctioning thermostat or a coolant temperature sensor issue. It is important to address this issue promptly to prevent potential damage to the engine. The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...P0128 JEEP Possible Causes. Leaking or stuck open thermostat. Low engine coolant level. Insufficient warm up time. Faulty engine coolant temperature sensor. Engine coolant temperature sensor harness open circuit or short circuit to ground or voltage from wire damage or insulation damage. Engine coolant …Jeep Code P0128 means that your Engine Coolant Temperature is below the thermostat regulating temperature. Simply put, the coolant which helps regulate your engine’s temperature is …The P0128 fault code is the diagnostic trouble code (DTC) used by Dodge, Jeep, Ram, and numerous other manufacturers to signify that the coolant temperature in the engine is too cold for the thermostat to regulate.The P0128 engine code can result from numerous issues including a malfunctioning thermostat, a faulty coolant temperature …All was well. Fast forward to now - The P0128 Code came back up along with the P2181 and the P0118 Code. The Check Engine Light is on, and the temperature gauge is showing very low temp and the fan is constantly running. Sometimes the engine doesn't start right away, but 99% of the time, it starts and …To reset the p0128 code on a jeep wrangler, disconnect the battery for a few minutes and then reconnect it. When the code reappears, it indicates a persistent issue …– Repair or replace the coolant temperature sensor: If the coolant temperature sensor is faulty, consider repairing or replacing it to ensure accurate temperature … The P0128 code on a 2015 Jeep Wrangler typically indicates a problem with the engine coolant temperature. To fix this issue, it is recommended to first check the coolant level and ensure it is at the proper level. If the coolant level is low, topping it off may resolve the issue. However, if the coolant level is fine, the thermostat may need to ... Parts I used:Jeep Grand Cherokee Thermostat https://amzn.to/2tHPqXiCheck Engine Light P0128 Jeep Grand Cherokee Thermostat Replace. Step by step how to. Part...We got this 2015 jeep wrangler here with check engine light code p0128 Thermostat below temp. I will show you step by step how to change the thermostat and f...34 posts · Joined 2012. #23 · Jan 13, 2017. Heads up that my 2012 JKU threw a P0128 and it was just because my coolant level had dropped below the min line. The colder weather was enough to trigger it. Once I added some coolant the code cleared and the CEL went away after about 3 drive cycles (about 3 days later).Nov 5, 2018 · The most common symptom of a P0128 trouble code in a Jeep Commander is an illuminated malfunction indicator lamp (MIL). Other symptoms may include poor engine performance and a decrease in fuel economy. Lack of heat– The most prominent symptom of the P0128 trouble code in the Jeep Commander is the lack of heat. When the thermostat doesn’t ... Jeep Platform Discussion. WK- Grand Cherokee (2005-2010) WK- Troubleshooting/Problems P0128- 2011 GC Overland 5.7 ... So I have the infamous P0128 code. The water pump was just replaced. I’m not over heating at all. I am however under heating by the gauges. Never gets above 170. And fluctuates by 4 …The FIXD wireless OBD2 scanner and free app for iPhone and Android translates your check engine light into plain English so you can rest easy. In this video,...Oct 27, 2020 · =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code P0128 Saving Repair Part... How to change the thermostat on the 2015-2022 Jeep Grand Cherokee 3.6L v6. Check engine code P0128. IG: Ljs_Garage_Nov 5, 2018 · Fixing P0128 in the Jeep Compass is usually a pretty easy thing to do since, 90% of the time, a stuck thermostat will cause the problem. 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. When a thermostat is stuck open, it allows ... How to fix p0118 p0128 for 2012 jeep Wrangler Sport Engine Coolant Temperature Sensor thermostatHow do I fix code P0118?What repairs can fix the P0118 code?R...What Does p0128 Jeep Grand Cherokee mean? The basic meaning of p0128 is the issue with the coolant thermostat temperature. When this code is triggered, the coolant thermostat temperature is below the regulating temperature. The primary cause for this DTC can be an open thermostat, damaged wearing, or a faulty …However, before you replace your entire thermostat, inspect these other areas as well. Low engine coolant can alter the engine running temperature enough to …Dec 21, 2016 · 34 posts · Joined 2012. #23 · Jan 13, 2017. Heads up that my 2012 JKU threw a P0128 and it was just because my coolant level had dropped below the min line. The colder weather was enough to trigger it. Once I added some coolant the code cleared and the CEL went away after about 3 drive cycles (about 3 days later). Find the latest Highland Global Allocation Fund (HGLB) stock quote, history, news and other vital information to help you with your stock trading and investing. Dividend HGLB annou... | Cxwcsllos (article) | Mcynwpf.