Jan 7, 2023 · Typically a stuck open thermostat will cause this. Easiest diagnosis: With a cold engine, have someone start your JK with your hand wrapped around the upper radiator hose and if you can feel flow immediately or within a few seconds of start up, this is the first indicator the t-stat is open.P0128 Thermostat Rationality - With the engine running, start up coolant temperature less than 65°C (149°F), ambient temperature between -8°C (17.6°F) and 50°C (122°F), avarage vehicle speed greater than 16 km/h (10 mph) until coolant temperature reaches 85°C, engine speed does not go above 5400 rpm for more than 32 seconds, the pass/fail determination point is reached when the coolant ...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.Mar 15, 2018 · 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 runs perfectly fine.Walk through the steps for replacing a thermostat and housing. Once that is done follow up with bleeding the air out of the system. These steps will clear ...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 ...I'm glad to see this has been confirmed (it's an oil temp sender, not coolant). The below are some of the Mopar parts I ordered online from a Jeep dealership. They were installed in my JKU a couple of months ago: 5149077AB Fluid Temperature Sensor $30.52 $30.52. 5149062AB Oil Pressure Sending Unit $33.67 $33.67.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 …Jeep cherokee thermostat replace p0128 codeThermostat assembly for 2016-2020 jeep grand cherokee 3.6l v6 2017 2018 2017 jeep cherokee replacement thermostats & components - carid.comCherokee jeep grand cooling mishimoto low performance engine thermostat temperature carid.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...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...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).2017 Jeep Renegade OBDII Code P0128 - Coolant Temperatore Below Thermostat Regulating temperature Weather during readings - Sunny, ... Worst case scenario the Jeep service center is less than 4 miles away (maybe 1 mile as the crow flies) so it'll be easy enough to tow if I totally fuck it up and have to truly pay for my hubris haha.When I let the engine sit off the lights all go away until abnout 15mins of driving. I pulled the code with the key in the ignition dance and with a code reader and both came back with P2181. I opened rad cap and watched the water pump start to cycle the fluid. I have burped the rad of all air as well as topped it up along with the overflow res.Research the 2017 Jeep Wrangler at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory.P0128 Jeep Wrangler thermostat and housing replace diy. Code P0128 could be either the thermostat or the coolant sensor .Today I replaced the thermostat on o...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.They are thinking it's lifters/cam causing the issue but couldn't get there before closing for the weekend. 2015 Jeep Wrangler JK with 3.6L v6. Yes. I have various threads on the problem. 2015 JK Rubicon. 121,000 miles at the start of the problems on cylinder #6. The solution was a new engine.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.What is P0128 Jeep JK Diagnostic Code? This is a DIY video for Jeep JK Thermostat Replacement...Parts:1) Mopar Thermostat w/housing - https://www.amazon.com...Check Details. P0128 Code: Replacing your 2012-2017 Jeep JK Thermostat - YouTubeIf this video in any way helped you save time and money, please consider donating.Paypal Donate Link here: https://www.paypal.me/OnlineMechanicTips?locale.x=...Joined Jun 11, 2018 Threads 2 Messages 113 Reaction score 273 Location Colorado Website www.facebook.com Vehicle(s) 2018 JLU Sport S; 2002 KJ Sport OccupationThe P0128 code in your 2014 Jeep Grand Cherokee indicates a potential issue with the engine coolant temperature (ECT) sensor or thermostat. To diagnose the cause, you can perform the following steps: 1. Start by checking the coolant level and make sure it is at the proper level. 2.Jeep wrangler Jeep cherokee code p0128 engine light on 2014 2015 2016 2017 2018 2019 Jeep wrangler p0456: evap system - small leak. P0128 Jeep JK Diagnostic Code ...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 ...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.It showed the lovely P0128 code (thermostat open or temp sensor) ... 2017 JK Rubicon Granite Crystal Metallic , Auto, 3.73's, Hard Top, Tow Group, 430N, Deep Tint Windows, 24R Cold Weather Group. Save Share. Like. ... It was a used 2014 Jeep Wrangler but I love her.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.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.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 ...Topping off antifreeze P0128 yellow engine symbol. Jump to Latest Follow ... Jeep Wrangler Forum. 9M posts 468.7K 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 ...The P0128 code in a Jeep Wrangler is a common issue that many owners might encounter. This trouble code indicates that your engine is operating at a lower temperature than what is considered optimal for efficient fuel consumption. Essentially, it means that your engine isn't getting warm enough, which can lead to various performance issues.P0128 code: replacing your 2012-2017 jeep jk thermostatCode coolant p0128 thermostat temperature regulating below Changing the thermostat in a 2015 jeep grand cherokee (p0128)P0128 engine coolant temperature below thermostat regulating.Matt Konkle. August 27, 2015. Tweet. Torque Staff Report. This method is used to retrieve OBD I and OBD II diagnostic trouble codes from your YJ, TJ, XJ, ZJ, and early WJ Jeep models. Insert the key into the ignition. Turn the ignition On-Off-On-Off-On within 5 seconds. Record the 2-digit DTC as displayed by the flashing MIL.P0128 code just popped up this week on a 2016 JK with 86k miles. ... 2017 JKUR with ~89,000 miles on the Jeep. Rock Hard Diff covers front and rear, Rock Hard down canted Rock Rails, ... Jeep Wrangler Forum. 9M posts 471.1K members Since 2005 ...Jan 27, 2023 · 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 ...With a P0128 code, the first step is to get it properly diagnosed to figure out what is causing the malfunction in the coolant temperature circuit. Using the live data function of the FIXD sensor and app allows you to read and analyze engine temperatures to properly diagnose a P0128 code. >Click here to get FIXD for just $19.99 for a limited time!Check Details. P0128 Code: Replacing your 2012-2017 Jeep JK Thermostat - YouTubeLabor: 1.0. To diagnose the P0513 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.Heavily modified 2017 jeep wrangler is a devilish off-roader Jeep wrangler gets new lights and cold weather gear for 2017 Jeep ... nj2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code Jeep wrangler sahara red unlimited jk forum rock valve recalls fuel tank control over rear bad cold weather gear lightsHemi v8-powered 2017 jeep ...P0018 is a general OBD2 trouble code, which means that it has the same meaning and general symptoms for any vehicle (including the Jeep Wrangler) it typically occurs when the Crankshaft Position Sensor and the Camshaft Position Sensor are out of alignment by a certain number of degrees, or if there is a sensor issue.We'll explore the most common symptoms and causes directly below.HomeJeep Jeep Select Your Jeep's Diagnostic Trouble Code Body Codes. B0099; B0119Mileage: 109,007 miles MPG: 16 city / 20 hwy Color: Silver Body Style: SUV Engine: 6 Cyl 3.6 L Transmission: Automatic. Description: Used 2012 Jeep Wrangler Sport with Four-Wheel Drive, Running Boards, Bucket Seats, Hard Top, Fog Lights, 17 Inch Wheels, 16 Inch Wheels, UConnect System, and Cloth Seats. More.Dec 12, 2023 · Alash128 Discussion starter. 25 posts · Joined 2022. #1 · Dec 6, 2023. Hi y'all. I just recently got a CEL on my Jeep JKU 2017 sport S and i checked the codes and its P 0128. I then checked the coolant temp and it was able to rise up to 205 and above but I randomly got it on the highway driving home. I'm not sure if the recent cold weather ...Heated Steering Wheel (1) Navigation System (44) Remote Start (49) Entertainment. Bluetooth® (190) Premium Sound System (46) USB Port (178) Exterior. Shop 2017 Jeep Wrangler vehicles for sale at ...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. ...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 and the code ...This is a comprehensive list, so to easily search for your Jeep Wrangler check engine light code, check out these keyboard shortcuts. If you have a Windows Machine: ... P0128: Thermostat Rationality: P0129: Barometric Pressure Out‐Of‐Range Low: P0131: O2 Sensor 1/1 Circuit Low: P0132: O2 Sensor 1/1 Circuit High: P0133: O2 Sensor 1/1 Slow ...P0128 - Coolant Temperature Below Thermostat Regulating Temperature. A search is indicating that it could definitely affect the AC. Bob, Jun 19, 2018. #2. Jun 19, 2018 at 8:10 AM. # 3.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 ...seabumb. 2 posts · Joined 2015. #6 · Aug 15, 2015. I fixed my 2004 TJ 4.0L and was able to permanently clear the P0172 and P0175 codes. The most probably reason for these was the ripped air filter. My mom's husband had a new engine installed in the Jeep last year but it has very few miles on it since the swap.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 ...4 posts · Joined 2019. #1 · Mar 26, 2020 (Edited) I recently had an engine light come on in my 2013 Wrangler Sport, 2dr. 6 cyl. Code was P0128. I found the code issue. My coolant reservoir was low. No leaks found. I added fluid and cleared the code (disconnected the battery for an hour). No re emergence of the engine light yet, but I haven ...Unless you mixed different types of anti-freeze to cause a cooling system problem or did NOT mix it the correct ratio with water, I doubt the anti-freeze is your problem. P0128 means the vehicle is NOT warming up fast enough. A different anti-freeze is still going to conduct heat close enough to the others that is unlikely the problem.Meticulously maintained 2017 Jeep Wrangler Unlimited, 36k miles now throwing P0302 code. Cylinder # 2 plug and coil replaced plus intake plenum gasket. Issue was not resolved. Compression check on # 2 cylinder shows 80 psi vs 150 psi. Dealership says that left cylinder head will need to be replaced at a cost of $3,500.dealer knows your Jeep® vehicle best, has factory-trained technicians and genuine MOPAR® parts, and cares about your satisfaction. ROLLOVER WARNING Utility vehicles have a significantly higher rollover rate than other types of vehicles. This vehicle has a higher ground clearance and a higher center of gravity than many passenger vehicles.P0218 ‐ High Temperature Operation Activated. It has been anything but hot here, high in the upper 50s last two weeks. All fluids are at correct levels, fluids look clean and good. We did go wheeling last Saturday in the mountains but the highs were only around 45 and most of the wheeling was in the snow. I have 17,000 miles on it so it is ...So, I had my mechanic change out my thermostat to fix my P0128 code i've been getting on my reader as well as the check engine light it causes. Unfortunately after this repair, my check engine light STILL POPPED. I noticed when I checked the Freeze frame, this code popped because my engine temperature was 160 after 7 minutes of driving on the highway! Is it my temperature sensor or is ...FCA US LLC Version 4.2 02/06/2017 Case Number: S1805000006 Release Date: 02/24/2020 Symptom/Vehicle Issue: ESC Light Illuminated. DTC C1252-92 VACUUM PUMP CONTROL CIRCUIT And Or P258B ELECTRONIC VACUUM PUMP PERFORMANCE Discussion: If ABS has C1252-92 Active or Stored do not replace the brake system module (ABS). PCM may also have set P258B-00.– Check and repair the radiator fan: If the radiator fan is not operating correctly, it may need repair or replacement to ensure proper cooling. – Perform a cooling system flush: If the coolant is dirty or contaminated, performing a cooling system flush can help improve its efficiency and prevent overheating. Remember, if you’re not confident in …2906 posts · Joined 2013. #3 · Feb 7, 2021. So after doing a lot of research, I found that Bank 1 is the passenger side and Bank 2 is the driver side. Sensor 1 on each side is the top, up stream sensor. Sensor 2 is the lower, down stream sensor. I tried removing the lower O2 sensor on the passenger side today and it is a royal pain.Top Causes of a P0128 Code or a Radiator Fan That Won't Turn Off. If there is an issue with any of these parts, the computer can turn the radiator cooling fans on high to prevent the engine from overheating. 1. Overheating Engine. The engine could be overheating from a problem with the cooling fans. This can be noticeable at idle, which is ...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.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 P0138.However, the Diagnostic Trouble Codes (DTC) were enough to put the Jeep into limp mode. U0414 - Invalid Data Received From 4-Wheel Drive Clutch Control Module. C1405 - Transfer Case Range Position Sensor Circuit High. I did a Google search for U0414 and came up with a posts in some Jeep forums indicating it is a bad transfer case switch.2016, 3.6 Check Engine light P0128 coolant temp code. ... 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, ...To diagnose and fix the P0128 code on a 2015 Jeep Grand Cherokee, follow these steps: 1. Check the coolant level: Ensure that the coolant is at the correct level. If it is low, refill it to the recommended level. 2. Inspect the thermostat: A faulty thermostat can trigger the P0128 code.P0128 is usually just a thermostat change. Use OEM. Refill a make sure you don't have any trapped air. Easiest method is using a vacuum refill tool. Badda boom…badda bing. I just replaced mine in November for a P0128 Thermostat rationality code. Just took a road trip today …200 miles. Thermostat fluctuated between 197 and 206. Heat was fine.87_WhyJay. 836 posts · Joined 2011. #4 · Jun 21, 2019. Bad thing about that is there are 3 doors under there that might have the gears stripped. If one is stripped and clicking, the other 2 might be needing replaced at the same time, or at least needing checked and evaluated. 2018 JKUR Recon-Bright White/black (my DD)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 ...Labor: 1.0. To diagnose the P0513 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.Turns Out The 2018 Jeep Wrangler Won't Get A Wacky 368 HP Turbo Four. Check Details. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube. Check Details. Jeep Wrangler. Check Details. 2012 Jeep Wrangler: Review | CarAdvice. Check Details. Jeep Wrangler 2012 gets Pentastar 3.6-litre V6 | Drive Arabia. Check Details34 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).Three major items are standard on every 2017 Jeep Wrangler: a 285-horsepower 3.6-liter V6 engine, a 6-speed manual transmission and 4-wheel drive with a low-range transfer case.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 ...2017 Jeep Renegade OBDII Code P0128 - Coolant Temperatore Below Thermostat Regulating temperature Weather during readings - Sunny, 38F outside Weather during first check engine light appearance - Sunny, 34F outside I am trying to diagnose the exact cause of the issue at present.trailhunter. 1858 posts · Joined 2013. #2 · Aug 22, 2018. From the internet. There are two main*causes*for*P0128: The most common*cause*is an engine coolant thermostat that has stuck open or is opening prematurely. The next*cause*is a problem with the engine coolant temperature sensor or the wiring associated with the sensor.If your Jeep Wrangler is displaying a p0128 code, it means that the engine is not reaching the correct operating temperature. This can be caused by a variety of issues, but the most common cause is a coolant leak. Once you have located the leak and repaired it, you will need to reset the code.P0128 and then P0203. Jump to Latest Follow ... Jeep Wrangler Forum. 0 posts 469.2K 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, JT, JK, TJ, YJ, and CJ models!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.2014 jeep wrangler review Jeep wrangler P0128 code: replacing your 2012-2017 jeep jk thermostat 2012 jeep wrangler: review Diagnose and fix jeep wrangler p0457Wrangler jeep pentastar v6 litre gets buyer updates track keep guide Jeep wrangler 2012 gets pentastar 3.6-litre v6Wrangler jeep review torque pentastar lb vvt v6 6l hp ft.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 ...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.2017 Jeep wrangler sport (purchased new). I've been chasing this issue since January 2022 (P0302 misfire in cylinder 2 code). Issue started at about 74K miles. Things done: all spark plugs changed, #2 coil changed twice, fuel injector changed 3 times, all rockers, lifters & cams changed, passed compression test, passed leak test....check engine ...Walk through the steps for replacing a thermostat and housing. Once that is done follow up with bleeding the air out of the system. These steps will clear ...120 posts · Joined 2014. #4 · Oct 7, 2017. Symptoms are the same each time. I'll start getting a binding/popping from the front end whenever I first start driving from park and then all the abs/esp/bas, traction control and service 4wd system lights will go on. This continues until I replace the speed sensor which seems to last a couple of ...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 ...2906 posts · Joined 2013. #3 · Feb 7, 2021. So after doing a lot of research, I found that Bank 1 is the passenger side and Bank 2 is the driver side. Sensor 1 on each side is the top, up stream sensor. Sensor 2 is the lower, down stream sensor. I tried removing the lower O2 sensor on the passenger side today and it is a royal pain.Typically a stuck open thermostat will cause this. Easiest diagnosis: With a cold engine, have someone start your JK with your hand wrapped around the upper radiator hose and if you can feel flow immediately or within a few seconds of start up, this is the first indicator the t-stat is open.When I let the engine sit off the lights all go away until abnout 15mins of driving. I pulled the code with the key in the ignition dance and with a code reader and both came back with P2181. I opened rad cap and watched the water pump start to cycle the fluid. I have burped the rad of all air as well as topped it up along with the overflow res.A Pentastar gets hot quickly if everything is working right. If it takes more than a few minutes to get to temp, then the thermostat is stuck open. An open thermostat will still provide heat, just not fast. KN4BBA. 12 JK,2.5" Teraflex lift, 3/4 spacers ,Bilstein 5100's,BFG KM3's 37x12.5/R17 with beadlocks. 17 WK2 Trailhawk. 21 JT Rubicon. Share.. Jeep wrangler 2016 jeep wrangler release date,Wheel Chocks. 19mm Socket. 10mm Socket. Ratchet. #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. What could my issue be? P0128 JEEP. Description. Indicates that the thermostat monitor has Due to factors beyond the control of RB The Mechanic, it cannot guarantee against unauthorized modifications of this information. RB The Mechanic assumes no ... EDIT: it's a 2017 Jeep Wrangler Rubicon. That's almost alw...
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