2017 jeep wrangler p0128

Dec 14, 2011 · 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.

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 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.3.795775. (142) QuadraTop Premium Sailcloth Replacement Soft Top in Black Diamond for 07-18 Jeep Wrangler JK 2 Door. In Stock. From $449.99. 3.9. (50) More choices available. QuadraTop Premium Sailcloth Replacement Soft Top in Black Diamond for 07-18 Jeep Wrangler Unlimited JK 4 Door.AUBURN HILLS, Mich., Jan. 18, 2022 /PRNewswire/ --New factory-backed, Wi-Fi-capable, Level 2 (240-volt), at-home, hybrid-electric-vehicle, wall ch... AUBURN HILLS, Mich., Jan. 18, ...Vacuum Leak. Clogged or Faulty Exhast Gas Recirculation valve. Faulty Crankcase Ventilation Valve. Faulty Oxygen Sensor. Clogged Catalytic Converter. Issues With Seals and Gaskets. Read on for a guide about each cause of the Jeep Wrangler engine misfire, including the solution to each cause. 1. Faulty Ignition Coil.

The 2018 Jeep Renegade starts at $18,445 and climbs as high as $27,295. It has several advantages over the 2017 model, including newly standard features like a 5-inch touch screen, a rearview camera, and Bluetooth. Apple CarPlay and Android Auto also became available for 2018 for the first time.2015 jeep wrangler p0642 pt2 fix.P0128 jeep jk diagnostic code, thermostat replacement Jeep wrangler 4.0l code p0128 easy thermostat replacementP0128 code: replacing your 2012-2017 jeep jk thermostat. P0128 jk thermostatP0128 jeep cherokee 2.4l thermostat. watch how to replace in part 2 P0128 jeep wrangler 2014. Check Details Check DetailsP0128-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).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.05 WK Limited Throwing Codes P0128 and P0700 Jump to Latest Follow 2K views 3 replies 2 participants last post by Goose34 Mar 14, 2015The best years of the Jeep Wrangler are: 2019-2021, 2017, 2012-2016, 2010, 2006, and 2003-2004. The years you should absolutely avoid are: 2001-2002, 2005, 2007-2009, 2011, and 2018. ... DTC P0128, indicates the thermostat is not regulating engine coolant temperature properly. Our P0128 explainer video dives into the details, but expect to pay ...Shopify is laying off 20% of its workforce, impacting some 2,000 people, and is selling its logistics business to Flexport for 13% in stock. Shopify revealed today that it’s laying...

Complete Radio Kit Upgrade for 2007-2018 Jeep Wrangler JK: Includes Multimedia radio, replacement dash kit, harness, aftermarket antenna adaptor and, pry tool (Retains steering wheel controls) ... 2009-2017 : Jeep Patriot (All Trim Levels) 2008-2013 : Jeep Liberty (All Trim Levels) 2008-2010 : Jeep Grand Cherokee (All Trim Levels) 2009-2017 :My 2017 jku is in the shop for this same thing right now. ... Have a 2016 jeep wrangler, 120,000 mile runs a drives perfect until last week got a U0414 code come on check wiring plugs, not corroded, not water.resett code drove it for a few days ,ran and shifted perfect, then got the code again ...colorubi. To erase a code, use a scanner tool to remove that specific code. To dump all codes, remove the battery cable for 10 minutes, then reconnect. If you want to erase the adaptive memory completely and set the ECU to a new start up, remove the cable 10 minutes, reattach the cable and turn the key to the run position.This image shows the underside of a Jeep Wrangler engine with the oil pan removed for clarity. In this view, the red arrow indicates the oil pump, while the yellow arrow indicates the oil pickup filter screen. It is worth noting that many Jeep and other diesel Chrysler models are notorious for the frequency with which these screens become ...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 Details

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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.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 ...The 2018 Jeep Renegade starts at $18,445 and climbs as high as $27,295. It has several advantages over the 2017 model, including newly standard features like a 5-inch touch screen, a rearview camera, and Bluetooth. Apple CarPlay and Android Auto also became available for 2018 for the first time.JK Wrangler (model years 2007 - 2018) ... Normal operating temp for 2017 Jeep Rubicon 3.6. Jump to Latest Follow ... Jeep Garage is where you can talk about all your favorite jeeps including the Cherokee, Liberty and Grand Cherokee. Show Less . Full Forum Listing.

Jeep Wrangler Forums. TJ Wrangler Technical Forum '05 TJ 4 cyl stutters/stalls above 2k rpm ... P0128-THERMOSTAT RATIONALITY P0344-CAMSHAFT POSITION SENSOR INTERMITTENT Ok the p0128 we need to look at thermostat and temp sensor. The CW (BS I mentioned) is to use a lower thermostat or remove it - this is a computer noticing the wrong temps ...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.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...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.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 ...How To Replace Thermostat On 2015 6.4 Liter Dodge Ram 2500 - Code P0128. Check Details. Fix P0128 code on Dodge Grand Caravan by replacing the thermostat - YouTube. Check Details. Dodge Journey P0456: EVAP System - Small Leak | Drivetrain Resource. Check Details. 2015 Dodge Journey P0198 Engine Oil Temperature Circuit High - YouTube. Check ...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.On this video I go over the steps to replace the thermostat on a 2.4L engine..I think this is the proper way and the proper steps per Chrysler. If you just s...

Description. Indicates that the thermostat monitor has not achieved the required engine operating temperature within a specified amount of time after starting the engine. P0128 Jeep Code - Thermostat Rationality. How to Fix. Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors.

P0128 code: replacing your 2012-2017 jeep jk thermostat Misfire jeep fix. Jeep wrangler tj p0456 p0455 trouble evac repair codes2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code .. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube. Check Details. P0128 Jeep JK Diagnostic Code, Thermostat Replacement - YouTube ...2008 Jeep Grand Cherokee 3.7 code P1128 P0300 intake manifold. Check Details. Jeep WK Grand Cherokee OBD (On-Board Diagnostic) Systems. Check Details. 2012 Jeep Grand Cherokee/Wrangler 3.6 Thermostat P0128 code - YouTube. Check Details. How to change the headlight bulbs of a Jeep Grand Cherokee (5 Minutes. Check DetailsThe 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 ...Easy Trick To Access Temperature Sensor Sending Unit Jeep Wrangler JK JKU Mopar 5149077ABP0128 jeep wrangler coolant sensor replace diyP0340 aed1 410c 2013 jeep wrangler code p0128Introducir 81+ imagen engine code p0128 jeep wrangler. 2013 jeep wrangler code p0128P0128 jeep wrangler Jeep tops by pavement ends for 2013 wranglerJeep wrangler p0456: evap system - small leak.The causes of P0340 in the Jeep Wrangler can vary and go beyond the camshaft position sensor itself. Some possible causes include: A faulty camshaft position sensor. Damaged or corroded wiring and connectors. Timing chain or belt issues. Mechanical problems with the camshaft or crankshaft. Problems with the powertrain control module (PCM)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 …This video will talk about the Jeep Pentastar 3.6. Find out what is normal, what isn't, how it works, how to diagnose, and what to fix!Please SUBSCRIBE to sh...Causes of P0128 Code. 1) Faulty Thermostat. 2) Insufficient Coolant. 3) Bad Coolant Temperature Sensor. 4) Damaged Wires. 5) Faulty Radiator Fan. 6) Bad Intake Air Temperature Sensor. 7) Coolant Flow Restriction. 8) Contaminated Coolant.

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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 ...P0128 or Oil Cooler Assembly The top destination for Jeep JK and JL Wrangler news, rumors, and discussion, Application: Compatible with Models with Pentastar V6 Engine; Compatible with 2014-2017 Chrysler 200/300; 2014-2017 Dodge Challenger/Charger/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.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.Jan 11, 2022 · 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.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 ...If 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=...Tweet. To check your JK Codes, use this sequence on your ignition. Insert Ignition Key. Turn vehicle On-Off-On-Off-On. Codes will be shown on the Odometer screen. B1402 - Front Left Audio Speaker Output Circuit High. B1403 - Front Left Audio Speaker Output Circuit Open. B1405 - Front Right Audio Speaker Output Circuit Low. ….

Just bought a 2015 jeep grand Cherokee last week with 99k miles. It is the 3.6L v6. No check engine light when I drove off the lot. ... Got it checked and coded for P0128. Looked it up and sounds like a $50 fix up to a few grand. Started watching the temp gauge and stays below "healthy" range of 160-200°. It is staying right around 120 ...Even slight variations in the air/fuel mixture will cause the converter temperature to rise significantly. The "Catalytic Converter Efficiency" Diagnostic Trouble Codes (DTCs) P0420 and P0430, are among the top 10 DTCs technicians face. And while the description might imply a failed converter, odds are the ultimate fault lies somewhere else.2073 posts · Joined 2017 Add to quote; Only show this user #4 · Mar 19, 2019 ... Jeep Wrangler Forum. 9M posts 471K 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 ...The Malfunction Indicator Lamp (MIL) a.k.a. "Check Engine Light" illuminates as a result of an emissions-related fault. It would not illuminate because of faulty fog lights since fog lights in no way affect emissions. I'd have to look in the service manual to read the specifics about those two DTCs. FYI though.2020 Wrangler Unlimited Rubicon, 3.6l Penta, 6 speed manual, 5.13 gears. Accutune 3''f/1.5''r springs with 3/4'' rear and 1/2'' front spacers, ... When I picked up the Jeep on 9/28, I told my wife that the 3.6 Pentastar seemed to have a little "shake" when it was idling. She has a 2016 JKUL with the 3.6 and it runs smoother than the '21 Sport I ...53 posts · Joined 2017 Add to quote; Only show this user #8 · Jan 9, 2022. Any updates from folks on this? ... 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 ...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 ...P0128 code 2013 jeep wrangler. Jeep thermostat p0128 dodge dtc chrysler 4l replace2016 jeep wrangler release date,colors,truck,interior,specs P0128: low temp code incident2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code.. ... ← Jeep Wrangler P0158 Code P0128 Jeep Wrangler 2017 ...We have a 2012 Wrangler Ulimited Sahara and I got a P0128 code. Changed the thermostat out four days ago and drove from OKC to Fort Worth TX and did a little driving in Fort Worth. Got back to OKC last night. Didn't notice any performance problems and the temp gauge was right in the middle the whole way just like usual.While there is a small chance that there is an issue with the running temperature of your engine, by far the most common issue with trouble code P0128 is a faulty thermostat. The exact location of the thermostat and issues related to a damaged thermostat may vary depending on your vehicle. 2017 jeep wrangler p0128, The 2017 Jeep Wrangler is powered by Chrysler's 3.6-liter Pentastar V-6, rated at 285 hp and 260 lb-ft, and can be had with a six-speed manual or a five-speed automatic transmission., OK, my Jeep thinks it's funny and has a sense of humor, P0128 is basically one thing, air in the system and the sensors think you have a stuck open thermostat...thermostats haven't been sticking open for 40 years, unless you buy some cheaply made Chinese junk, always buy Stant/Super Stant and the correct heat range for your vehicle, typically 195 degrees., Stock# p076 used 2007 jeep wrangler Diagnose and fix jeep wrangler p0457 2012 jeep wrangler: review. 2014 jeep wrangler review. P0128 code temp incident lowWrangler jeep caradvice 2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 codeJeep wrangler. P0128 cherokeeJeep cherokee p0128 4l Jeep cherokee code p0128 engine light on 2014 2015 2016 ..., 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., Step 3. Remove the air make-up hose from the airbox cover (#1). Loosen the bolts for the band clamps on the flexible air intake tube (#2) and on the airbox cover (#3). Remove airbox hood and and put air filter element (#4) on the side. Next step is to remove the bottom half of the airbox., 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., In longterm relationships, it can sometimes seem like the gratitude between the people involved runs thin. Amid the rigors of daily life, it’s easy to take someone else’s favors or..., 2014 Jeep Wrangler- Codes P2181 and P0128. Jump to Latest Follow ... Jeep Wrangler Forum. 9M posts 471K 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 ..., May 15, 2009 · 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., Code P0305. Hi members I'm new to the forum. Wrangler 2014 unlimited JK. Code P0305 misfired cylinder 5. In the process of addressing this problem I've learned a few things. As of now I have replaced all spark plugs and all coils. Also ran a concentrated amount of Sea Foam through the injectors. Thought for a short while I had the problem fixed., P0128 code definition Coolant Thermostat ... 2016 JKU Oscar Mike in Granite Crystal (RIP) 2017 JKU Winter Edition in Chief - AEV JKU Everything. Reactions: ThatHarlemKat and bill61. Save Share. Like. bill61. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, …, 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., 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..., 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..., - 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 diagnosing or fixing the issue yourself ..., 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 ..., Feb 18, 2022 · 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..., On this video I go over the steps to replace the thermostat on a 2.4L engine..I think this is the proper way and the proper steps per Chrysler. If you just s..., Shopify is laying off 20% of its workforce, impacting some 2,000 people, and is selling its logistics business to Flexport for 13% in stock. Shopify revealed today that it’s laying..., 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., What is Engine Code P0128 in a Jeep Wrangler? The engine code P0128 in a Jeep Wrangler refers to a faulty thermostat or coolant temperature sensor. It indicates that the engine is not reaching its operating temperature within a specified time frame. Causes of Engine Code P0128 in a Jeep Wrangler. The potential causes of engine code P0128 in a ..., 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., Reset Check Engine Light Jeep Wrangler. If your Jeep Wrangler's check engine light is on, you can try resetting it by disconnecting the battery for 30 seconds. If the light comes back on after reconnecting the battery, then you'll need to take your Wrangler to a mechanic to have it diagnosed and repaired. A Check Engine Light (CEL) is a ..., 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..., Checked it on ODB and it showed up as "Jeep Wrangler P0128: Coolant Thermostat - Below Temp" . I read a little bit online and changed the thermostat, refilled coolant. I read that if that was the actual issue, the code disappears after a few rides. 1 ride so far and the code is still there. Now the problem I am seeing is, the temperature ..., Jan 31, 2021 · Also, it appears you might have an Axle seal seeping.. the P0128 does indicate thermostat .. a change includes the housing and thermostat. When done, be sure that the correct antifreeze-coolant for your year Wrangler is used.. go with MOPAR correct OAT or HOAT is my recommendation.., 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 ..., The SEC and FASB are directly and indirectly responsible for regulating public, private and non-profit companies in terms of how they report their finances. The SEC does so through..., Quadratec Deluxe Hardtop Rear Window Retainer Bar for 07-24 Jeep Wrangler JL & JK. In Stock. $38.99 $42.89. 4.52. (25) MasterTop Freedom Panel Storage Bag in MasterTwill® Fabric for 07-24 Jeep Wrangler JL & JK. MasterTop - 10% Off All MasterTwill Products - ENDS MAY 31st. In Stock. $125.99 $142.99., 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 ..., Nov 10, 2021 · 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., I have a 2012 Jeep Wrangler Unlimited Sport...I got the P0128 code and we did the following: Replaced the thermostat, replaced the coolant temperature... Home. Forums. New posts Search forums. What's new. ... Start date Jan 3, 2017; Tags p0128 W. wattsl2311 New member. Jan 3, 2017 #1, The Jeep seems to still run fine but I have reset it 3-4 times this week and it keeps coming back. ... A forum community dedicated to Jeep Wrangler JK owners and enthusiasts. Come join the discussion about performance, modifications, classifieds, reviews, engine swaps, troubleshooting, suspension, and more! ...