2017 jeep wrangler p0128

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I'll show you how to check your check engine code without a scanner. First make sure the engine is off. Then insert the key in the ignition and turn it on-of...My jeep mod are 4.5" lift, 35" tires and 4.56 gear. I just recently installed gear to my jeep and after the installation. I got code P0730 and P0731. I used superchip Flashcal before driving my jeep. My jeep has only 1400 miles on it. Everyone's help is greatly appreciated. Mahalo. Like. Sort by Oldest first.Code p0128 just was in the shop last week for new pulleys. Jeep Wrangler 2016 unlimited sharra - Answered by a verified Jeep Mechanic. ... 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?Step 2: Inspect the Thermostat. A stuck-open thermostat is a common cause of the P0128 code. To check if the thermostat is the issue: Locate the thermostat housing on your engine. You may need to refer to your Jeep Wrangler's service manual for the exact location. Remove the thermostat housing to inspect the thermostat.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 …

Jul 1, 2023 · The P0128 Jeep code is an engine-related fault code that signifies an inadequate coolant mixture/level or a malfunctioning thermostat. Symptoms include: An activated CEL. Starting and performance issues. Reduced HVAC efficiency and fuel mileage. White exhaust smoke. Subpar battery performance.Oct 27, 2021 · 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 ...Watch as I replace the thermostat on my 2015 Jeep Wrangler Unlimited after getting the P0128 Error Code.After a month of running some great SW Colorado 4wd roads and lots of highway drives the jeep threw another P0128. I should have let it run a couple of minutes before taking off. I don' believe the thermostat stuck. I do have a bit of weird wiring that makes me suspect of someone wanting an easy code clearing.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 ...Description. The Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module ( PCM) detects an implausible Right Front Wheel Speed signal over the Controller Area Network (CAN) bus from the Anti-Lock Brake (ABS) Module. U140A Jeep Code - Implausible Right Front Wheel Speed Signal Received.GROUP: Vehicle Performance. DATE: August 12, 2010. SUBJECT: Flash: MIL Illumination For P2181 - Cooling System Performance. OVERVIEW: This bulletin involves flash reprogramming the Powertrain Control Module (PCM) with new software. MODELS: 2008 (JK) Wrangler. NOTE: This bulletin applies to JK vehicles equipped with a 3.8L engine (Sales code EGT).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 ...

Overheating. In cases where the P0128 Jeep code signifies that the power mill is running hotter, engine overheating is likely to occur. The latter may be linked to low coolant levels or a bad radiator/water …Research the 2017 Jeep Wrangler at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory.Have you checked both the radiator and coolant overflow bottle, for proper level when cold. Remove both of your battery cables. Hold the terminal ends together so that the touch. Do this for about 30 seconds and the reconnect. That should clear what you are seeing, but if there is a problem, it will re-occur.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 ...The P0135 code is specific to the Oxygen Sensor Heater Circuit Malfuntion (Bank 1 / Sensor 1 ). The first thing you need to know is whether you have a 50-state emissions setup or 49-state emissions setup. You can determine this by crawling under your rig and having a look at the exhaust.

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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 ...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 ...Buy 2012-2018 Jeep Wrangler Thermostat Mahle for a low price of $31.97 at PartsGeek. FLAT RATE SHIPPING on most Mahle W0133-2106497 orders. ... 2018 Jeep Wrangler : 3.6L V6: 2012-2017 Jeep Wrangler : Show More. Technical Details. Title. Thermostat - 2012-2018 Jeep Wrangler 3.6L V6 - Mahle W0133-2106497. Description.86 posts · Joined 2015. #16 · Oct 15, 2015. Well here is a newb question. I just got the code after I started the Jeep and took off without being warm up. So the engine light pop immediately. Anyway the code is P0128 for Thermostat. So 2 questions: 1.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.

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 ...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.12 days and 10 stages spanning 400km on jeep track, goat track...sometimes no track. IT SAYS SOMETHING about this race that none of the international riders who previously complete...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.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!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.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 ...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.Feb 27, 2017 Messages 22,714 ... Produced from 1997-2006, many consider the Jeep Wrangler TJ to be the last true Wrangler. I started Jeep Wrangler TJ Forum to serve as a resource for TJ owners around the world. Here you'll find a treasure trove of knowledge amongst some of the most knowledgable minds in the TJ community.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 ...P0302 definition: Cylinder 2 misfire detected. Issue Severity: SEVERE - Stop driving immediately. Repair Urgency: Fix this code immediately (same-day if possible) to avoid ignition failure, catalytic converter damage, and dangerous conditions. Diagnosis: A multiple misfire can be caused by anything from faulty spark plugs to low engine ...

P0128 Thermostat gasket/Housing replacement tutorial on a 2013 Jeep Wrangler 3.6 Don't forget to like and sub! Need help? Comment on what video we should fil...

Code P0128 2013 JK. Checked my coolant level in the radiator and had to add a little. Overflow bottle was normal level. After a drive I discovered a very small leak coming from under the radiator cap. I replaced the cap with the latest upgrade, 17 PSI cap which is down from the original 18 psi cap. After a couple of short trips of 12 miles CEL ...2017 Jeep Wrangler Unlimited 4-Door (JK) 2016 Jeep Wrangler Unlimited 4-Door (JK) ... and during that time I've had to frequently deal with P0128 codes, as the ...693 posts · Joined 2014. #14 · Nov 4, 2016. I have the same code and think it's my Thermostat. After reading this thread, me thinks that is a correct assessment. I am getting a new one today and will replace tomorrow. I'll post up if that's the corrective action for the P0128 code. ~Illegitimi non carborundum~ .Decided to take it to Olathe Chrysler Jeep and rented a vehicle to get home. They called and said my right head is warped and it's $4,800 to repair. Ouch to say the least, especially for a 2017 but I do have 99k miles on it, all highway. Any help would be appreciated, I'm on the fence on whether to just put a reman engine in it back here after ...Have been getting the P0128 code for a few weeks, the temperature gage is normal, I'm in Arizona and it's getting a little colder now so it might have affected the thermostat. ... 52 posts · Joined 2017 Add to quote; Only show this user ... Jeep Wrangler Forum. 9M posts 468.6K members Since 2005 A forum community dedicated to Jeep Wrangler ...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 ...What the P0128 code means. The P0128 code means that the engine coolant is not getting warm enough, fast enough. In other words, there is a problem with the engine operating temperature not being reached within a certain amount of time. The Engine Control Module (ECM) determines this length of time based on ambient temperature.On average highway driving, the temp of my 2014 JK Wrangler Rubicon reads around 185°. I heavy traffic it goes up to 200°-220°. No hills. South Florida is flatter than a pancake and summer temps outside are about 10000°. Well, maybe a bit cooler at 95°. It seems though that my thermostat is stuck open (check-engine light is on – P0128 …

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P0128 Thermostat gasket/Housing replacement tutorial on a 2013 Jeep Wrangler 3.6 Don't forget to like and sub! Need help?2017 jeep grand cherokee limited v6 0-60 & review2014-2022 jeep cherokee: pros and cons, common problems Jeep x431 cherokee sensorCherokee grand suv altitude overland edmunds 4dr visitar. ... Jeep wrangler code thermostat p0128 cherokee replaceJeep cherokee grand srt oil Used 2015 jeep grand cherokee overland suv review & ratings2017 jeep grand ...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.Jeep wrangler tj p0456 p0455 trouble evac repair codesHow to fix trouble code p0339 for jeep jk unlimited rubicon 3.6l Jeep wrangler jk unit bearing replacement write-up2012 jeep grand cherokee/wrangler 3.6 thermostat p0128 code. 2017 jeep wrangler p0306Wrangler promozione posteriore 6l jk rubicon fix repairJeep wrangler p0456: evap system ...In some cases, you may receive the P0700 code without any other codes being registered by your Jeep Wrangler. This usually indicates that there is a malfunction in the transmission control circuit. Identifying the root cause of the P0700 code when it registers by itself can be challenging. That being said, P0700 is usually accompanied by other ...Feb 16, 2014 · 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.P0128 won't go away. My daughters 2007 Wrangler JK radiator went out a couple months ago. I replaced the radiator, the thermostat, the coolant temp sensor, and put new coolant in and got the air out. About 2 weeks later, P0128 comes on. I replaced the thermostat again, cleared the code, and all good. 2 weeks later, P0128 just came on again?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).So get home, jack the front up or park the front on a set of ramps, let it cool. Take the Rad cap off and start and get to temp, squeeze the top hose a few times wait for level to drop. Add antifreeze as needed. Let Jeep sit over night and do again in the morning. Do again in the afternoon if you can or the next night.Engine, Transmission, and Performance. The Wrangler is motivated by a 3.6-liter V-6 that sends 285 horsepower and 260 pound-feet of torque to all four wheels courtesy of standard part-time four ...Here's a rundown of all the ways you can earn AAdvantage elite status, including some options which don’t require flying. This story has been updated with new information. In early...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. ….

2017 jeep grand cherokee limited v6 0-60 & review2014-2022 jeep cherokee: pros and cons, common problems Jeep x431 cherokee sensorCherokee grand suv altitude overland edmunds 4dr visitar. ... Jeep wrangler code thermostat p0128 cherokee replaceJeep cherokee grand srt oil Used 2015 jeep grand cherokee overland suv review & ratings2017 jeep grand ...2015 jku P0128 I may have messed up.. ... 8761 posts · Joined 2017 Add to quote; Only show this user #3 ... 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 ...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.P2098 is a diagnostic trouble code (DTC) for "Post Catalyst Fuel Trim System Too Lean Bank 2". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic for ...#19 · Oct 12, 2017. codes P0137 and P2096 2005 Jeep Wrangler Sport Went through inspection yesterday and failed for engine light on. Pulled codes P0137 and P2096. ... A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds ...For the first time that I can recall Rubi started throwing an error code. After several months I decided to fix it. Originally I was told it was the cooling ...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 ...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!Buy 2012-2018 Jeep Wrangler Thermostat Mahle for a low price of $31.97 at PartsGeek. FLAT RATE SHIPPING on most Mahle W0133-2106497 orders. ... 2018 Jeep Wrangler : 3.6L V6: 2012-2017 Jeep Wrangler : Show More. Technical Details. Title. Thermostat - 2012-2018 Jeep Wrangler 3.6L V6 - Mahle W0133-2106497. Description.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. 2017 jeep wrangler p0128, WMPHE Engine Coolant Thermostat Housing Assembly Compatible with Durango 2011-2015, Jeep Grand Cherokee 2011-2015, Jeep Wrangler 2012-2017, Jeep Wrangler JK 2018 3.6L, Replace 902-852, 5184651AF. dummy., The Wrangler features a 3.6-liter V6 engine that puts out 285 horsepower and 260 pound-feet of torque. The engine delivers plenty of power, so you'll have enough juice for highway passing maneuvers and traversing rocky terrain. A six-speed manual transmission is standard, and a five-speed automatic is available., P0016-crankshaft/camshaft timing misalignment - bank 1 sensor 1. p0017-crankshaft/camshaft timing misalignment - bank 1 sensor 2. Possible causes: ENGINE OIL/ENGINE MECHANICAL. ERRATIC CAM POSITION SENSOR SIGNAL. CAMSHAFT POSITION SENSOR TONE WHEEL/PULSE RING., P0128: thermostate P0430: catalyst bank 1 ... 352 posts · Joined 2017 Add to quote; Only show this user #3 ... 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 ..., 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, …, Share. mrpittman. • 2 yr. ago. So this code means one of two things, either the thermostat is bad but you changed it so now the sensor needs to be replaced. That will fix it, temp sensor drivers side of the block towards the back its going to make a mess because its at the lowest point but get your tools and clear an area and you'll be fine ..., Share. mrpittman. • 2 yr. ago. So this code means one of two things, either the thermostat is bad but you changed it so now the sensor needs to be replaced. That will fix it, temp sensor drivers side of the block towards the back its going to make a mess because its at the lowest point but get your tools and clear an area and you'll be fine ..., 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, a coolant system is pressurized. Opening a hot coolant system could cause burns and other injuries if you aren’t careful., 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., 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 ..., 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., For the first time that I can recall Rubi started throwing an error code. After several months I decided to fix it. Originally I was told it was the cooling ..., 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., 4. Full specs. View full specs. Shop 2017 Jeep Wrangler 75th Anniversary. Big Bear (1 style) Style. Big Bear 4x4 *Ltd Avail*. Inventory price. Starting at $23,995., Research the 2017 Jeep Wrangler at Cars.com and find specs, pricing, MPG, safety data, photos, videos, reviews and local inventory., 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., Every 2017 Jeep Wrangler is powered by a 3.6-liter V6 engine that produces 285 horsepower and 260 pound-feet of torque. Four-wheel drive is standard and includes high- and low-range gearing. The ..., 2017 jeep grand cherokee limited v6 0-60 & review2014-2022 jeep cherokee: pros and cons, common problems Jeep x431 cherokee sensorCherokee grand suv altitude overland edmunds 4dr visitar. ... Jeep wrangler code thermostat p0128 cherokee replaceJeep cherokee grand srt oil Used 2015 jeep grand cherokee overland suv review & ratings2017 jeep grand ..., Nov 5, 2018 · The P0128 OBD II trouble code indicates that your Jeep Wrangler’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., 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 ..., The P0128 code on a 2015 Jeep Wrangler indicates a potential issue with the engine coolant temperature (ECT) sensor. This subheading will delve into the details of what the code means and why it is important to address it promptly. Engine coolant temperature (ECT) sensor: This sensor is responsible for measuring the temperature of the engine ..., Dec 21, 2016 · 34 posts · Joined 2012. #23 · Jan 13, 2017. Heads up that my 2012 JKU threw a P0128 and it was just because my coolant level had dropped below the min line. The colder weather was enough to trigger it. Once I added some coolant the code cleared and the CEL went away after about 3 drive cycles (about 3 days later)., 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., Before you can reset the P0128 code in your Jeep Wrangler, it is essential to locate the OBD-II port. The OBD-II port is a standardized diagnostic interface that allows you to connect an OBD-II scanner to your vehicle. In most Jeep Wrangler models, the OBD-II port is conveniently located under the dashboard on the driver's side. ..., Dec 21, 2016 · 34 posts · Joined 2012. #23 · Jan 13, 2017. Heads up that my 2012 JKU threw a P0128 and it was just because my coolant level had dropped below the min line. The colder weather was enough to trigger it. Once I added some coolant the code cleared and the CEL went away after about 3 drive cycles (about 3 days later)., P0201 is one of the more common OBD-II trouble codes. It indicates that the first cylinder in the firing order has an injector malfunction. It's generic, which means that it has the same meaning for the Jeep Wrangler as it would for any other vehicle. When the PCM sees voltage at cylinder 1 that is out of the normal operating range, it'll ..., P0016-crankshaft/camshaft timing misalignment - bank 1 sensor 1. p0017-crankshaft/camshaft timing misalignment - bank 1 sensor 2. Possible causes: ENGINE OIL/ENGINE MECHANICAL. ERRATIC CAM POSITION SENSOR SIGNAL. CAMSHAFT POSITION SENSOR TONE WHEEL/PULSE RING., 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., 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..., 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 ..., 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!, 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 …, 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 ...