Jeep p0128 fix

P0128コードの原因は何ですか? ほとんどの場合、冷却システムまたはサーモスタットの漏れがエラー コードの原因です。. サーモスタットの役割は、エンジンが適切な温度に達するまで冷却液がラジエーターに流入するのを防ぐことです。. これにより、設定 ...

Aug 22, 2020 · P0128 and dealer repair. My 2012 JGC with the 3.6L engine just lit up a CEL with a code P0128. Based upon the postings here, it seems pretty common that the thermostat needs to be replaced. I purchased the thermostat at the dealer today and was pretty shocked by the $75 (out the door) price. 237 posts · Joined 2015. #1 · Mar 7, 2017. Check engine light came on last Wednesday. 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. Engine light has not come back on and I've driven it a lot, enough to ...Its your rigs computer telling you there is an issue. Preventative maintenance helps things like this from popping up. P0128 code definition Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) What the P0128 code means The P0128 code means that the engine coolant is not getting warm enough, fast enough.Diagnose and fix Jeep wrangler P0457 - YouTube. P0128 code 2013 jeep wrangler P0128 antifreeze P0441 jeep wrangler code hose likes. P0128 code temp incident low. 2015-2018 jeep renegade code p0128 thermostat fixWrangler p0456 evap obdii P0123 code2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code.Wrap Up. To fix the P0480 fault code, start by visually inspecting the wiring harness and connectors. Look for any damage or corrosion. Check the fan control relay and cooling fan for any faults. Make sure all connectors are intact and not bent or corroded. Address any issues found to resolve the problem.1) Warm engine up for five minutes (must reach closed loop) 2) Drive (with steady throttle) at a speed between 40 and 60 mph for 8 minutes. 3) Stop and idle for 3 minutes. 4) Drive (with steady throttle) at a speed above 20 mph for 2 minutes. 5) Turn key off, leave off for ten minutes (to run O2 sensor heater monitor).To diagnose the P0128 Jeep code, it typically requires 1.0 hour of labor. 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. It is common for most auto repair shops to charge between $75 and $150 per hour.

P0121 definition: Throttle Position Sensor (TPS) "A" Circuit Range Performance Problem. Issue Severity: HIGH - Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid being stranded. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0121 code.How do I diagnose and fix a P0128 code on my Jeep? Popular Mechanics Magazine is an excellent resource for diagnosing and fixing automotive issues. To address the P0128 code on your Jeep, you can refer to their extensive library of articles and guides on car maintenance and repair. They provide step-by-step instructions, expert advice, and ...Jeep Cherokee P0128 Repair Cost P0128 code causes 3 different problems on parts: main reason thermostat, coolant temperature sensor and top off coolant. If you replace all the parts it will cost around $350 - $550.The Jeep is a daily driver, mostly short trips. This was a P0128 code. I had replaced the coolant temp sensor twice, and the thermostat 3 times. I also took it to the dealer who charged $95 to tell me he thought the fix was changing the thermostat housing for $400, which I declined to do. LOL.To diagnose and fix the p0128 code in a Honda Civic, a systematic approach is necessary. Here are steps that can be taken: 1. Check the coolant level: Ensure the coolant level is at the appropriate level. 2. Inspect the thermostat: Test the thermostat to determine if it is functioning correctly. If faulty, replace it.

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.How to Fix P0128. Start with the easiest repair solution, which is low coolant levels. Before you start, turn off your engine and wait until it’s sufficiently cool to open your coolant reservoir. Under normal operation, …I picked up this morning at 10 am, paperwork states malfunction indicator lamp is on, found fault code P0128 logged indicating an issue detected in the thermostat …Fixing P0128 in the Buick Encore 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 ...Whether you're a seasoned mechanic or a Jeep enthusiast looking to learn more about your vehicle, this guide will provide the knowledge you need to decode and fix the P0128 code in your Jeep. Fixing the P0128 Code in Your Jeep with Goodhood. Trying to fix the code alone can be overwhelming, and you'll need the correct tools and expertise to ...I have a 2016 Jeep Renegade Sport. I replaced the thermostat because I was getting a code P0128. In order to replace the thermostat I had to to remove the car's battery and ECU. I connected everything back properly but now the climate control doesn't work at all, the odometer is flashing, and I'm getting codes like B10EA and B104E.

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The automobile fault code P2635 can be caused by a faulty fuel pump. It can also be caused by an open or shorted fuel pump harness. Poor electrical connection in the fuel pump circuit can also trigger this fault code. Additionally, a faulty fuel pump control module, if applicable, can cause the P2635 fault code to appear.We had a check engine light on the Jeep. It was a P0128 which is a coolant code.The engine wasn't getting to temperature. I change the thermostat and that to...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 coolant to flow through the engine at all times. When this happens, the engine is "over-cooled" and never reaches the proper operating ...Schedule Service. If you need routine maintenance or are looking to repair or customize your car, trust our service center at Dallas Denton CJDR. Our team is dedicated to …P0128 Causes. Faulty/stuck open thermostat (most common) Missing Thermostat Faulty coolant temperature sensor; Faulty wiring for coolant temperature …How to change thermostat on a 3.6 engine in a Jeep, Dodge or Chrysler, model may slightly vary process and procedurehttps://www.harborfreight.com/no-spill-ra...

P0128: low temp code incident Jeep wrangler p0304: cylinder 4 Misfire wrangler. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube Code p0128 problem jeep wrangler 2012-2016 jeep wrangler / cherokee. P0153 again!Diagnose and fix jeep wrangler p0457 Jeep wrangler code thermostat p0128 cherokee replaceP0128 code 2013 jeep wrangler.2013 jeep wrangler code p0128. P0455 jeep grand cherokee code fixJeep grand cherokee, customer states, check engine light on, p0128... .. Check Details Check Details. P0128 Jeep Cherokee. Check Details. 2015 Jeep Wrangler P0128. Check Details. 02 jeep grand Cherokee 4.7. Dead miss started suddenly. Have codes p0351 p0353. Replaced coils. Check ...Jan 27, 2024 · How to Fix the P0128 Code. There are multiple reasons why code P0128 might be stored. Therefore, there isn’t a “magic bullet” fix for the issue. You’ll need to diagnose the code accurately, as outlined above, then perform any necessary repairs. Note by ASE-certified mechanic Richard McCuistian: Engine code help p0456Assistance p0301 punisher I have a 2009 jeep wrangler limited with a 3.8 v6 vehicle runs greatDiagnose and fix jeep wrangler p0457. P0441 problem bws codeP0456 frustration... This code came up on my 2006 jeep wrangler with the 6 cylinder engineWrangler jeep navigation system carmax used sahara unlimited 2010. Check DetailsWhat 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.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...P0128 Jeep Wrangler coolant sensor replace diy. Code P0128 could be either the thermostat or the coolant sensor .Today I replaced the coolant sensor on our 2...Fix for Clogged Door Drains. Luckily this is a straightforward fix. Take your Wrangler somewhere quiet, and swing the doors back and forth gently. You know this is it if you hear the vehicle make sloshing water sounds. Take a bit of flexible wire and break up the debris until water comes out of the drain again.Intermittent p0344 and p0340 code, along with esp light that causes Jeep cherokee p0128 4l P0340 aed1 410c limp 2000 jeep grand cherokee p0171. ... P0455 Jeep Grand Cherokee Code Fix - YouTube. Check Details. 1999 Jeep Grand Cherokee P0351 code...need help - YouTube. Check Details.Meaning. In essence, the P0128 trouble code means that the engine coolant is not getting warm enough, quickly enough. 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. The engine control module ( ECM) is what determines and governs the length of time that ...Fixing a lawn can be an extensive challenge. Our guide outlines everything you need to get back to a healthy lawn. Check it out! Expert Advice On Improving Your Home Videos Latest ...The light can be cleared by fixing the original malfunction, disconnecting the battery, or resetting the on-board diagnostic, or OBD, system with a scanner. It is important to asce...

2017 jeep wrangler p0128 code '17 jeep wrangle my gf just bought a few weeks ago and were getting p0128 code (coolant thermostat below therm reg temp.) Coolant was low, topped that off and cleared the code. ... Still didn't fix it, luckily we were able to take it back to the dealership we got it from. So far it's got a new radiator, cooling fan ...

Yes, park on an incline and burp it, but notice that on the thermostat there is a round plastic screw. That is there to help bleed the system. You can get air trapped behind the t-stat and cracking the screw will help the air to get out. Will take much less burping letting the air out there. Wolfslash16 and geeve420.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 coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating ...The code is P2096. I have only heard of TJs with this code, not JKs. Here's what I was doing: I was driving at about 50mph for 30 miles with about 4" of snow on the road. I had the gas pedal pushed way down just to maintain my speed. Under normal conditions, my Jeep would have been doing 90+mph with accelerator pushed so far down.jeep, grand cherokee, thermostat, P0128, radiator, diy, replace, coolant, cooling, engine problemThe P0128 diagnostic trouble code is often a result of a stuck engine coolant thermostat. Check the coolant hose and the temperature of the coolant flowing through it. Be careful when doing this ...The P0128 diagnostic trouble code is often a result of a stuck engine coolant thermostat. Check the coolant hose and the temperature of the coolant flowing through it. Be careful when doing this ...How to Check Engine Coolant 2006-18 Jeep Wrangler | 1A Auto. Jeep wrangler p0128: coolant thermostat - below temp Jeep thermostat dodge p0128 4l dtc chrysler replace How to check engine coolant 2006-18 jeep wrangler. 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code. Coolant wrangler antifreezeP0128: low temp code incident .. Check ...

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How to Fix Trouble Code P0339 for Jeep JK Unlimited Rubicon 3.6L. Jeep wrangler Wrangler p0456 evap obdii P0128 jeep jk diagnostic code, thermostat replacement. P0128 code 2013 jeep wrangler. Wrangler jeep p0304 code misfire relatively obd2 trouble includes common vehicle anyJeep wrangler p0304: cylinder 4 2017 jeep wrangler p0306How to fix ...The most common causes of Ford Code P0128 include: A malfunctioning ECT sensor. A stuck-open thermostat. A faulty engine coolant temperature sensor connector. A low coolant level or coolant leak. An issue with the engine's cooling system. Identifying the root cause of the code is essential for an accurate diagnosis and efficient repair.Repair Costs for P0128. Fixing the P0128 engine code may cost roughly $150-$500 based on your car's make and model, the repairs, labor rates, etc. For instance, replacing the ECT sensor may cost $200-$400. This includes labor, typically around $100-$150, and the cost of the sensor itself, which can range from $5-$250.Jeep Cherokee P0128 Repair Cost P0128 code causes 3 different problems on parts: main reason thermostat, coolant temperature sensor and top off coolant. If you replace all the parts it will cost around $350 - $550.tmoca Discussion starter. 77 posts · Joined 2010. #1 · Oct 27, 2021. Okay, so my engine light came on today. Stopped by the auto parts store to have the code checked. Came back P0128 stating coolant temp below regular temp. So the guy suggested a thermostat said it is quite common. I also snagged some coolant to top it off, because I know I ...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 coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating ...How to Easily Fix the P0128 Code in Your Jeep Wrangler. The P0128 code is a common issue many Jeep Wrangler owners might encounter. It indicates that your vehicle's engine is operating at a lower temperature than what is considered optimal for efficient fuel consumption. This can lead to increased emissions, reduced fuel efficiency, and, if not ...The Cost Of Repairing P0128. In order to fix the underlying issue associated with the Honda P0128 code, one or more of the following repairs may be necessary. Depending on the type of repair, the estimated cost of repair includes both the cost of the necessary parts and the cost of labor. The purge control valve is faulty; Valve for venting is ...P0128-THERMOSTAT RATIONALITY Theory of Operation The thermostat rationality diagnostic runs during a drive cycle that starts with the coolant temperature below 140°F. ... NOTE: If DTC P0116 is also present, repair the P0116 DTC before proceeding with this test. NOTE: An engine block heater or oil heater can cause this DTC to set erroneously. 1 ...Hubcaps chrome 2007 P0128 antifreeze Wrangler jeep pentastar v6 litre gets buyer updates track keep guide All new 2015 jeep wrangler suv review, redesign and concept. ... 2011 jeep wrangler unlimited p0157Diagnose and fix jeep wrangler p0457 Wrangler jeep tpms resetJeep wrangler custom modified off heavily gear carscoops roader devilish.. Check ... ….

The most common cause for the P0128 code on a Jeep Gladiator 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. Check Out The Latest Price!How to Fix the P0128 Code. There are multiple reasons why code P0128 might be stored. Therefore, there isn't a "magic bullet" fix for the issue. You'll need to diagnose the code accurately, as outlined above, then perform any necessary repairs. ... a Ford, or a Jeep, the P0128 code is likely to appear once your coolant thermostat or ...P2098 is a generic OBD II code. It specifically indicates that your Grand Cherokee detected a lean condition after the catalytic converter (too much air for the amount of fuel present). P2098 Definition This particular code is generic, so it has the same meaning for your Jeep Grand Cherokee as any other vehicle. There are.2. Turn the ignition key to the "on" position without starting the engine. 3. Access the scanner's menu and select "Read Codes" to retrieve the P0128 code. 4. After reading the code, select "Clear Codes" or "Erase Codes" option on the scanner to reset the code. 5.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 coolant to flow through the engine at all times. When this happens, the engine is "over-cooled" and never reaches the proper operating ...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 temperature sensor circuit poor electrical ...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...P0121 definition: Throttle Position Sensor (TPS) "A" Circuit Range Performance Problem. Issue Severity: HIGH - Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid being stranded. Diagnosis: It is important to complete the entire diagnostic process when diagnosing the P0121 code.If your Pixel breaks, you don't need to pay someone to fix it. You can baby your new phone all you want, but sometimes, shit just breaks. Case or no case, screen protector or not—o... Jeep p0128 fix, Dear Lifehacker,I find I'm always fixing my friends' or relatives' computer. I don't mind helping, but I'm getting called out for the same problems over and over. How can I get peo..., Fixing P0128 in the Buick Lucerne 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 ..., Jun 17, 2023 · The most common cause for the P0128 code on a Jeep Wrangler 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. Check Out The Latest Price! , 2. The next cause is a problem with the engine coolant temperature sensor or the wiring associated with the sensor. There are two main symptoms for the P0128 code: 1. Heater is not hot enough due to the coolant temperature in the engine being low 2. Car takes too long to warm up, or the temperature gauge does not go up as high as it used to., 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 that needs to be fixed. The p0128 code is related to the engine coolant temperature being below the expected range. This could be caused by a faulty thermostat, a coolant leak, or a ..., Do you know the 5 pet problems to fix before you sell your house? Find out the 5 pet problems to fix in this article from HowStuffWorks. Advertisement Selling a home is hard enough..., P0128 can be caused by a bad thermostat OR the Coolent Temperature Sensor being faulty. After much research, I decided it was the sensor, not the thermostat. Depending on whether you have a 3.6 or 3.8, the sensor is either right next to the thermostat (replace from above) or in the block near the firewall on the driver's side (replace through ..., How to replace a thermostat. 2.4L, & 2.0L. 2014-2018 Jeep Cherokee, and 2013-2016 Dodge dart uses the same part. Same engine. Car had check engine light on. ..., 13 Nov 2021 ... The infamous check engine light came on in my Jeep. I immediately ran a scan on the JK to see what the problem is and the JScan displayed a ..., 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..., After 500 Miles. You should only travel with the DTC code p0128 for 500 miles. During the distance, the car will not have much damage and risks. However, some people would travel more than 500 miles, which may cause car problems. It is not safe to go more than 1000 miles., A code P0128 may mean that one or more of the following has happened: Low engine coolant level. Leaking or stuck open thermostat. Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor. Faulty intake air temperature (IAT) sensor. Past experience indicates that the most likely solution is to replace the thermostat., Simply choose "Update Now," and your system will upgrade with new features and advancements. 1. The notification will appear on your touchscreen after the car is in park and the ignition is off. 2. Click "Update Now" or "Schedule Update.". The update happens when the ignition is off and takes approximately 10 minutes., 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., Fixing P0128 in the Jeep Renegade 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 ..., Intermittent p0344 and p0340 code, along with esp light that causes Jeep cherokee p0128 4l P0340 aed1 410c limp 2000 jeep grand cherokee p0171. ... P0455 Jeep Grand Cherokee Code Fix - YouTube. Check Details. 1999 Jeep Grand Cherokee P0351 code...need help - YouTube. Check Details., 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 coolant to flow through the engine at all times. When this happens, the engine is "over-cooled" and never reaches the proper operating ..., 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 coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating ..., Updated: July 31, 2021. The code P0128 - Coolant Temperature Below Thermostat Regulating Temperature means that the engine does not reach expected temperature after running for sufficient time, or in other words, it takes too long to warm up. Often this code causes the Check Engine light to come on and off in cold temperatures., A blown fuse in your home is a common problem many people will encounter, but it’s an easy DIY project that can be fixed by following our step-by-step guide. Expert Advice On Impro..., A P0128 is a code is an indication of a faulty thermostat or ECT (engine coolant temp sensor). The manufacture designs the engine to run at a specific operat..., P0128 is an extension of OBD-II code P0 which indicates a problem with your car's coolant thermostat. P0 codes are displayed as P0XXX, with the third numeral in the code sequence signifying ..., P0128: low temp code incident Jeep wrangler p0304: cylinder 4 Misfire wrangler. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube Code p0128 problem jeep wrangler 2012-2016 jeep wrangler / cherokee. P0153 again!Diagnose and fix jeep wrangler p0457 Jeep wrangler code thermostat p0128 cherokee replaceP0128 code 2013 jeep wrangler., 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 coolant to flow through the engine at all times. When this happens, the engine is “over-cooled” and never reaches the proper operating temperature. How to Replace a Thermostat (video)., Jeep Liberty P0128 Repair Cost P0128 code causes 3 different problems on parts: main reason thermostat, coolant temperature sensor and top off coolant. If you replace all the parts it will cost around $350 - $550., =====Claim your FREE engine code eraser 👉 https://free.nonda.co 👈=====Engine Code JEEP P0522 Saving Repair ..., Dodge, Jeep, Ram Fault Code P0128 Repair Cost. Thermostat: $25-$400; Coolant Temperature Sensor: $25-$250; Loose connection/wiring issue: $0-$500; In most instances, a P0128 engine code is a relatively inexpensive repair. Almost all of the parts that can cause a P0128 code are cheap to purchase and easy to replace., 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..., If you have a Jeep P0128 code, you must first diagnose the problem. Engine temperatures can be calculated and analyzed using the live data functionality of the FIXD sensor and app. RepairPal-certified shops have a minimum 12-month warranty on all repairs lasting 12,000 miles or more. It is possible that some repairs will be required to fix or ..., If you have a Jeep P0128 code, you must first diagnose the problem. Engine temperatures can be calculated and analyzed using the live data functionality of the FIXD sensor and app. RepairPal-certified shops have a minimum 12-month warranty on all repairs lasting 12,000 miles or more. It is possible that some repairs will be required to fix or ..., The light can be cleared by fixing the original malfunction, disconnecting the battery, or resetting the on-board diagnostic, or OBD, system with a scanner. It is important to asce..., SpottyJ. 212 posts · Joined 2013. #2 · Feb 4, 2020. I have a 2013 Wrangler JK, last week, at 87K, it threw Code P0305. Started running rough at idle. Bought it dealer, after they tore it apart, they confirmed a bad head. They said new head is on back-order and could take months., Popular Mechanics Magazine provides several possible solutions to fix the P0128 code in a 2014 Jeep Grand Cherokee. These solutions include checking the coolant levels and replacing the thermostat if necessary, inspecting the engine's cooling system for any leaks or blockages, and ensuring that the engine's temperature sensor is functioning properly.