The P0128 code in a Jeep Wrangler can indicate a problem with the engine's temperature regulation. By understanding the symptoms, conducting thorough diagnostics, and applying effective repairs, you can ensure your Jeep remains in top condition. Remember, regular maintenance is key to preventing future issues and ensuring your Wrangler is ...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. 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 ...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.P0108 is a generic OBD-II trouble code. It indicates your Jeep Wrangler's MAP (manifold absolute pressure) sensor's voltage reading is outside of the normal operating range. The voltage is too high. It's most commonly caused by a bad MAP sensor, wiring issue, or vacuum leak. The MAP sensor measures the air pressure coming into.Tools Used:Milwaukee 2767-20 M18 Fuel High Torque 1/2-Inch Impact Wrench https://amzn.to/INNOVA 3612 Milwaukee Electric Tools 2557-20 M12 Fuel 3/8" RATCHETht...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.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!We found a couple of Chrysler technical service bulletins for several Jeep and Dodge models that recommend reprogramming the PCM (engine computer) if the code P0128 is diagnosed. Another Chrysler TSB for 2009-2010 Dodge Challenger and 2008-2010 Dodge Magnum/Charger and Chrysler 300 describes a problem where the thermostat …Save up to $11,241 on one of 32,212 used 2017 Jeep Wranglers near you. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools.For OBD information for all Chrysler vehicles please see our Chrysler OBD / OBD2 page.. If you cannot find your model below and it is newer than 1996, please refer to our list of all Jeep OBD2 codes.NOTE: A model specific code list like those below will be the most accurate source for manufacturer specific OBD / OBD2 codes of your vehicle.The ideal operating temperature for a Jeep Wrangler is between 180 and 200 degrees Fahrenheit for typical weather and 210 degrees Fahrenheit in summer. However, many factors can affect this, including the type of engine oil used, the ambient air temperature, and the amount of traffic on the vehicle. Jeep Wranglers are designed to run at a ...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.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!2012 keep wrangler sahara i got code p0128 thermostat rationality - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them.This video goes through Troubleshooting for a P0128 engine code. We go through what problems may be associated and how we decided to change the thermostat vs...Double failure monitoring to determine unique failure situations that could require unique limp-in functionality. The Diagnostic Trouble Code (DTC) sets when the failure is detected if the output speed gradient is less than a threshold for a calibrated amount of time. U1412 Jeep Code - Implausible Vehicle Speed Signal Received.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. 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 ...Jan 23, 2017 · 447 posts · Joined 2016. #2 · Jan 23, 2017. That code is usually displayed when the engine takes too long to reach operating temperature (thermostat stuck open). So, under certain conditions after you clear the code, depending on outside air temp, driving conditions, it may warm up within the parameters the computer is looking for, despite ...P1607 Jeep Code - Powertrain Control Module Internal Shutdown Timer Slow Rationality - Code Popularity: 47,728 Views - Repair Importance Level: 3/3 - Repair Difficulty Level: 3/3. Table of contents. Created and updated by William Orellana on Feb 12, 2024. Possible Causes;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.JK Wrangler (model years 2007 - 2018) Normal operating temp for ... Normal operating temp for 2017 Jeep Rubicon 3.6. ... Jeep Garage is where you can talk about all your favorite jeeps including the Cherokee, Liberty and Grand Cherokee. Show Less . Full Forum Listing.Not complicated, get a gallon of Hoat for the 2012 at the Dealer, stick with what the year/vehicle calls for. I had a 2012 JKU, used HOAT, my new Willys is the OAT. If I need/ever to top off, I'll grab a gallon at the Dealer. I have no intention of an aftermarket for a gallon of coolant. Pick up a bottle of the stuff at the Dealer, then there ...11 posts · Joined 2013. #19 · Jul 22, 2022. P0128 is pretty common. Even a low coolant level has thrown the code in mine. Luckily when the t-stat fails, it fails open instead of closed, so at least the coolant keeps flowing. On my 2013 JKUR the t-stat isn't a separate item, and I am pretty sure that is the norm.548 posts · Joined 2014. #1 · Feb 17, 2020. Hi all. I got DTC code P0128 this morning - probably stuck thermostat. 2015 JKU with almost 80K... so probably it's time. Jeep is covered with lifetime powertrain warranty.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).Yes. Only code p0688 comes on, if I remove the relay then p0688 is still on and p0685 also comes on if I remove the relay then only p0688 remains. Here's a video of the fuse getting power then surging when the ignition is turned off that small blink of light at the end is whats causing the fuse to blow.The P0128 code indicates an issue with your engine coolant temperature. If left untreated, this can lead to decreased fuel efficiency, reduced engine performance, and even engine damage. What causes the P0128 code? The P0128 code can be caused by several factors, including a faulty thermostat, a low engine coolant level, a malfunctioning …jdinny. 3301 posts · Joined 2015. #4 · Nov 10, 2021. Thermostat stuck open. The first time mine did it, I just erased the DTM. P0128 is a permanent code, and will stay in the system until it completes so many cycles without detecting the low coolant temp. That said, after mine set the code again, I replaced the thermostat.The P0118 code refers to issues with the Engine Coolant Temperature (ECT) circuit and its accompanying sensor. The ECT is a thermistor, or an electrical resistor, whose resistance is significantly ...Using the MotoLogic software, we priced out a thermostat replacement service for a 2020 Jeep Wrangler. This is a common issue seen on the 3.6-liter V6 engine fitted to these Jeeps.Used 2017 Jeep Wrangler pricing starts at $20,280 for the Wrangler Sport SUV 2D, which had a starting MSRP of $29,270 when new. The range-topping 2017 Wrangler Rubicon Recon Sport Utility 2D ...704 posts · Joined 2019. #2 · May 28, 2019. The P0688 is for the PCM to monitor if the ASD relay is turning on. The ASD relay is in the TIPM and will turn when the PCM wants the Jeep to run. There are two sides to the relay. The load side which takes power from the TIPM, and when relay closes applies that power to fuel injectors, ignition coils.2017 Sahara check engine light came on suddenly. ... with this code? Is it going to turn into a nightmare? No other issues, sounds or lights. Related Topics Jeep Wrangler Jeep American Motors Corporation Chrysler ... had same code. Not a terribly difficult job. There are several YT videos on how to do it right. Don't let your Jeep overheat!! ...Have a p0128 on 2017 jkur. Temp on dash and jscan showing 185F driving to lunch just now, 12 miles at 55-60 mph in 55F ambient so plenty of time to warm up and get stable. I am thinking thermostat held open.P0128 jeep cherokee 2.4l thermostat. watch how to replace in part 2P0128 jk replacing thermostat 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code2014 jeep cherokee mileage update: 2,896 miles. ... P0128 Code: Replacing your 2012-2017 Jeep JK Thermostat - YouTube. Check Details. 2014 Jeep Cherokee 4×4 North V6 | www.motorpress.ca ...346 posts · Joined 2013. #1 · Feb 6, 2020. Threw a P0128 code just cruising around town. Deleted code and checked engine coolant. My fluid has always shown just a small amount just visible at bottom of reservoir, which was the case. Had radio talk-show mechanic tell me he had had to replace abnormal amount of engine coolant thermostats due to ...Jul 31, 2021 · 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.Mileage: 91,494 miles MPG: 16 city / 20 hwy Color: Gray Body Style: SUV Engine: 6 Cyl 3.6 L Transmission: Automatic. Description: Used 2017 Jeep Wrangler Sport with Four-Wheel Drive, Fog Lights, Alloy Wheels, 17 Inch Wheels, Hard Top, Heated Mirrors, Satellite Radio, 16 Inch Wheels, and Cloth Seats. More.Symptoms of the P0128 Code in a Jeep Wrangler. When the P0128 code is triggered, you may experience some noticeable symptoms: Engine running hotter or colder than normal: The engine may struggle to reach the optimal operating temperature or may overheat due to the malfunctioning thermostat or cooling system.I have a 2013 Jeep wrangler 3.6L rubicon. I get the P0128 code coming up. I have replaced the coolant thermostat (not a Mopar part), coolant sendsor (not a Morpar part), antifreeze, burped the air out of the system, disconnected the battery for 30 minutes, reconnected it, ran the jeep for over 50 miles and the P0128 code came back on again. It ...P0128 Thermostat Issue-2014 Jeep Wrangler Sahara. Jump to Latest Follow ... Jeep Wrangler Forum. 9M posts 471.2K members Since 2005 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 ...The engine rarely goes over 185° during normal driving in Florida at 95° outside temperature. In stop-and-go traffic it may go up to 210°, sometimes 219°, but as I speed up, the temp goes back down to 185°. The check-engine light lit up and the code reads P0128. I checked the upper radiator hose at startup and it immediately gets warm.Model Specific Jeep Discussions. Wrangler JK (Model years 2007-2018) JK Technical Discussion ...2693 posts · Joined 2018. #12 · Jan 18, 2022. If you have a 12, then you also have another thing it could be and that is a bad cylinder head, left side. They extended the warranty on them for 10yr, 150k miles. Have a dealer run your vin and see if yours was ever fixed.07-17 Jeep Wrangler JK Pocket Style Fender Flares Unpainted Texture. PRODUCT SKU: FF-JWJK07PK. Fitment. 2007-2017 Jeep Wrangler JK. Color. Unpainted Texture. Material. ABS.Are you in the market for a used Jeep Wrangler Sahara? With its iconic design and off-road capabilities, the Wrangler Sahara is a popular choice among adventure enthusiasts. Howeve...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 sensor, a coolant fan stuck in the 'on' position, or a ...The MFSD8 gene provides instructions for making a protein whose function is unknown. Learn about this gene and related health conditions. The MFSD8 gene provides instructions for m...The P0128 OBD II trouble code indicates that your Jeep Grand Cherokee’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the vehicle. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue ...My engine light came on with a P0128 (temp not reaching running temp within 15 mins). The temp gauge started climbing and bouncing between 3/4 and half. The temp on the dash was reaching 235 and 240 which is very hot for this car. Question: The code usually means a bad coolant sensor or a bad thermostat. But these usually fail OPEN …P0128 JEEP. Description. Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine. Symptoms- CEL. Possible causes. - Insufficient warm up time. - Low engine coolant level. - Leaking or stuck open thermostat. - Faulty MAP sensor.asked Aug 20, 2017 by Keith. What is the most likely cause for engine code P0128 on a 2012 Jeep Wrangler? Vehicle: 2012 Jeep Wrangler 3.6 V6 code; p0128; 1 Answer. 0 votes . answered Aug 20, 2017 by Reynaldo (13.3k points) P0128 Thermostat rationality The likely cause is the thermostat, that or you have low coolant level, You can even set this ...Safety isn’t everyone’s primary concern, however, and a poor safety rating isn’t going to stop yet another generation of off-roaders and free spirits from turning to the Wrangler. Browse the best May 2024 deals on 2017 Jeep Wrangler vehicles for sale. Save $17,069 this May on a 2017 Jeep Wrangler on CarGurus.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.Messages: 7. Gender: Male. 2010 JKU. 3.5" lift, 35s. My 2010 3.8 keeps throwing the cam sensor code P0340 with the traction control light with limp mode. I've cleaned connections on the harness for the cam, air, and coolant sensor. Wiring looks OK to me other than the tightness of it and exposure where the brittle plastic loom disintegrated.P0138 is a common OBDII code that occurs in many vehicles, including the Jeep Wrangler. The code is triggered when: The voltage at the sensor remains above threshold for 20 seconds or more. Voltage to the sensor is to high (wiring problem, think short) Bad O2 sensor itself. There are also some less likely problems that can cause …T. tonydee Discussion starter. 37 posts · Joined 2017. #1 · Jan 24, 2020. Hi, In my 2013 JKU (40,000 mi) I'm getting a P0128 code. This is happening frequently here in south east Pennsylvania in the winter. It did happen once in the summer. I keep clearing the code with my ODB II scanner. The temp is running 169-174 deg F according to the OBD ...You dont have to drain the entire radiator. Just enough to drop below the upper hose. have a flexible container under the hose when you pull it off and then position it under the t stat when removing that and you wont spill anything. Don't forget to bled the system loosen the bleed screw on the t stat before you start.Watch as I replace the thermostat on my 2015 Jeep Wrangler Unlimited after getting the P0128 Error Code.U1408- Implausible brake signal received. C1000- Brake pedal switch circuit 1 performance. C2103- System voltage high. C2101- Battery voltage high. C123F- Steering angle sensor comparative performance. U0101- Lost communication with TCM. P3235- Manufacturer specific code. This light has remained off since I cleared the codes.Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...Hello all. Having an issue on 2006 2.4L TJ. The P0128 code keeps coming up. I've done the following: Replaced thermostat with Stant 195. Replaced the Coolant Temperature Sensor (also Stant) Flushed and Burped the …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. ...Changed coolant countainer, added new coolant and changed thermostat in 2017 Jeep Wrangler sport unlimited however check engine light is still on. What else could be the problem? ... The engine icon came on. I took the jeep to advance auto for a code chec. I found out C2101 Battery voltage is high and P0128 High Temperature Operation A ...Took me a while to find the ECT sensor so I figured I'd throw it on here to help the next guy.11 posts · Joined 2013. #19 · Jul 22, 2022. P0128 is pretty common. Even a low coolant level has thrown the code in mine. Luckily when the t-stat fails, it fails open instead of closed, so at least the coolant keeps flowing. On my 2013 JKUR the t-stat isn't a separate item, and I am pretty sure that is the norm.P0112 Jeep Code - Intake Air Temperature Sensor 1 Circuit Low. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.jdinny. 3301 posts · Joined 2015. #4 · Nov 10, 2021. Thermostat stuck open. The first time mine did it, I just erased the DTM. P0128 is a permanent code, and will stay in the system until it completes so many cycles without detecting the low coolant temp. That said, after mine set the code again, I replaced the thermostat.5465 posts · Joined 2012. #4 · Oct 23, 2013. If you are 100% positive that it's not the cap (i bet it is) then you have a large evap leak somewhere. Lots of good info on the web, 99% point to a bad cap. P0457 Jeep EVAP System Loose Fuel Cap OBDII Engine Light Trouble Code | Engine-Codes.com. Like. bigcat.The P0016 means the cam position sensor (CMP) is out of sync with the crankshaft position sensor (CKP). That one may send you into limp made when you hit about 160 º water temp. If you have not done anything involving moving the OPDA which houses the CMP then you need to pull the OPDA as it may have excessive gear wear causing it to retard the ...Code P0128 in a Jeep JK is an indication of a possible issue with the engine coolant temperature. To diagnose this code, start by checking the coolant level and ensuring there are no leaks. Also, inspect the thermostat for proper operation and replace if necessary. If the issue persists, it may be beneficial to consult a professional mechanic ...Jeep Wrangler: P2181 Symptoms. Engine overheating. Engine too cold. No/low heat. Stalling, rough idle. If the engine is stalling and running rough after getting this code, it is likely that the head gasket could be blown if it got hot. If the engine is running cold it could run rough because it's too rich.2017 wrangler 3.6 coolant leak. coolant seems to be back of engine down around the bell housing and blowing back to transmission and cross member Checked with a light not coming from the front of engine but cant seem to find it at the back only 41000k. Welcome to the Forum, from Cave Creek AZ.Time to grab a wiring diagram and start testing the circuit for shorts or breaks. Think I've solved the puzzle. When I replaced the thermostat, I didn't replace the housing. After talking to a few people, the housing has to be replaced with the thermostat. Said this is a common issue on this model.Jeep Error Code P0128 refers to a diagnostic trouble code that indicates a potential issue with the cooling system. When this code appears, it means that the engine coolant temperature does not reach the expected …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.Bone Tactical's 2017 Toyota Land Cruiser 79 Reading Jeep Wrangler JK Diagnostic Code List | 2007-2018 26 minutes Next Craigslist Find of the Day ... P0128 - Thermostat Rationality. P0129 - Barometric Pressure Out-Of-Range Low. P0131 - O2 Sensor 1/1 Circuit Low ... Bone Tactical's 2017 Toyota Land Cruiser 79. Latest... Features The Suzuki ...So I've been getting a p0128 code on my 2013 Cruze Lt. The ac would shut off due to "overheating" and the temp gauge would fluctuate down to 0. Replaced the radiator and engine temp sensors. Both connectors looked clean and fine. Was good for a few today's but there was a blip and the temp went to 0, ac shut off.2018 Jeep Wrangler 2-Door (JK) 2017 Jeep Wrangler 2-Door (JK) 2016 Jeep Wrangler 2-Door (JK) 2015 Jeep Wrangler 2-Door (JK) 2014 Jeep Wrangler 2-Door (JK) ... I've had this thermostat in my Jeep for less than a year, and during that time I've had to frequently deal with P0128 codes, as the temperature will rarely rise above 185 degrees ...Jeep cherokee p0304: cylinder 42012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code . Check Details Jeep Grand Cherokee 05-10-Fault Codes P0315 & P0335 Fixed!-CrankshaftMarissawalkerjones94 Discussion starter. 1 post · Joined 2020. #1 · Feb 3, 2021. I have a 2015 Jeep Wrangler with thermostat rationality throwing a code on my jeep. The tech said it could just be a sticking thermostat but upon reading it could be an engine coolant temp sensor. My temp runs normal on my jeep, & everything runs normal.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.Oct 28, 2023 · Frequently Asked Questions about the Jeep P0128 Code What is the normal engine operating temperature range? The normal operating temperature for the 3.6L Jeep JK Wrangler engine is around 195-220°F when warmed up and varying slightly based on operating conditions. If the PCM sees temperatures staying below 190°F, it will trigger the P0128 code.$$$ Step-by-Step Guide: Fixing the P0128 Code for a Faulty Thermostat in a Jeep Wrangler 3.6LA Jeep Wrangler's P0128 code indicates that the coolant temperat...erdmanbr. P0123 is TPS1 (throttle position sensor) shorted high. P0222 is TPS2 shorted low. Considering that they're 'shorted' in opposite directions I'd suspect that there is actually an open circuit somewhere on the throttle harness, not an actual short-circuit (the TPS circuits include pull-up/down resistors).Dec 10, 2023 · If the check engine light is on in your jeep, dodge, chrysler, ram, I'll bet it's for this super common issue. It will come up with P0128 thermostat rational...If the coolant in the radiator is properly topped off and there's no issue with the radiator cap and the coolant (HOAT for a 2008) is still within 5 yrs./100K miles, this could be the issue: Update - Dealer called - TSB for P2181 code. NUMBER: 18-015-10 REV. GROUP: Vehicle Performance. DATE: August 12, 2010.. Labor: 1.0. To diagnose the P1128 Jeep codeSantech Coolant Temperature Sensor CT0119. Pa The P0128 code in a Jeep Wrangler is related to the engine’s cooling system. It indicates that the engine is not reaching its proper operating temperature within a specified time period. This could be caused by a faulty thermostat, a low coolant level, or a problem with the engine’s sensors. If the coolant in the radiator is properly topped off and t Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ...Do the following to fix Chevy code P0128. Check the coolant level: If the level is lower than the minimum, add more coolant and go for a short drive. If the code is still active, you must change the thermostat. Inspect the coolant temperature sensor: The primary coolant temperature sensor is in the cylinder head near the thermostat. Save up to $11,241 on one of 32,212 used 2017 Jeep Wranglers near ...
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