Copyright Chrysler Group LLC. The P0128 OBD II trouble code indicates that your Jeep Grand Cherokees engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the vehicle. Had transmission rebuilt (Pro).My problem is that when it gets around 35, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, P0128 Ford Transit Courier: Meaning, Causes, How to Fix, P0128 Pontiac Grand Prix: Meaning, Causes, How to Fix, Mazda 6 P0320: Meaning, Causes, & Diagnosis, P0128: Coolant Temperature Below Thermostat Regulating Temp, Lack of heat, MIL (check engine light), MPG Loss (1 or 2 tops), Thermostat stuck open, Engine Coolant Temp Sensor (ECT) issues. Ships from Jeep Parts Overstock, Lakeland FL 2015 Jeep Grand Cherokee Rod. Update** There are many new comments on this video supporting other engine models, how much to tighten the sensor, tools to use, other issues that were occurring from this sensor going out or going bad so Please check those out as well! February 27, 2023 . Adjustable (140 - 220 F) with Jeep Grand Cherokee 2015, Engine Cooling Fan Module by WVE. With this information, the engine control module adjusts the air-fuel mixture depending on the temperature. So this may help V8 owners. Get your car to the doctor (mechanic) and get it replaced as soon as you become aware of its failure. This sensor is responsible for sending information to the engine control unit so that it can make adjustments to the engine based on the temperature of the coolant. I get a small commision that cost you not a penny more. Would you prefer to share this page with others by linking to it? It has an oil temp sensor and an oil pressure sensor. Thermostat/ECT issues.. However, there are more symptoms you should be aware of. 2014 Jeep Grand Cherokee Limited 6 Cyl 3.0L Coolant Temp Sensor. Standard Ignition 2 Terminal Multi-Purpose Connector - S816. Find the coolant temperature sensor and remove the connector plugs. A bad air-fuel mixture can also cause the engine performance to drop drastically. Our cars arent sentient beings, and they dont need to worry about this. This part was specially designed to maintain the. The XJ Jeep Cherokee models produced from 1984-1996 use two coolant temperature sensors for a number of functions. Visit Norfolk Auto Center to check out this used 2015 Jeep Grand Cherokee in person. Below is the Temp to resistance chart for the Jeep YJ & XJ. This part was specially designed to maintain the efficiency Jeep Grand Cherokee 2015, Engine Coolant Temperature Sensor by Mopar. On Jeeps there are two coolant sensors. Dunno why your engine is different. Copyright 2023 Mechanic Base. 3.0L Turbo Diesel; Engine 3.6L Gas; Engine 5.7L Gas; Engine 6.4L Gas; Engine 845RE; 8-Speed; Automatic Transmission 8HP70; 8-Speed; Automatic Transmission Air Conditioners and Heaters Body Sheet Metal Except Doors Brakes Conversion and Upfit Packages Cooling Doors, Door Mirrors and Related Parts Electrical Battery, Battery Tray and Cables If you get into a pinch, that may be well forth the $35 vs trying to scrape off the skin and hair you left on the dash. Engine coolant temp. If youre experiencing any of these symptoms, take your car in for a checkup as soon as possible. The PCM uses this temperature reading to adjust the fuel injection and timing. Those are chrysler provided photos of the left and right sides of the 3.6 engine. I was hoping someone could post a photo pointing to it or a video. It makes green lights a lot less fun. Turned car off code is not there anymore but p0300 popped up again. Connector Shape: Rectangle. Thank you for this great diagram. Test drive this Used White 2015 Jeep Grand Cherokee 3.6 L 1C4RJEAG8FC218661 for sale near San Antonio. Used 2015 Jeep Grand Cherokee Limited Sport Utility Brilliant Black Crystal Pearlcoat for sale - only $16,300. The average coolant temperature sensor replacement cost is between $50 and $250, depending on the car model and labor costs. Shouldn't it stay cool until the engine heats up to ideal temperature? Very nice explanation. In most cars, you have two separate temperature sensors for the fans, a dashboard gauge, and engine management. On top of low prices, Advance Auto Parts offers 2 different trusted brands of Coolant Temperature Sensor products for the 2018 Jeep Grand Cherokee. Radiator Fan Is Not Working? Learn how your comment data is processed. Multiple cold starts and miles driven already. )Instagram: https://www.instagram.com/Ramsey_336_________________________________________________Hit the thumbs up, subscribe and share it with a friend! P0128 is most often caused by a thermostat that is stuck open. Some vehicles may have more than one temperature sensor, as sometimes, different sensors are used to signal to the dashboard, cooling fan control, and the control unit of your engine system. Changing cooling fluid it's a bit tricky process but it can be done by yourself. Magnus is the owner and main author of Mechanicbase. The one wire sensor in the back sends temp readings to the gauge in the Jeeps dash. P1028 code/check engine light troubleshooting. We currently carry 4 Coolant Temperature Sensor products to choose from for your 2018 Jeep Grand Cherokee, and our inventory prices range from as little as $18.99 up to $61.99. Engine Coolant Temerature. The whole process will take 1 - 2 hours because you need to cool down the engine, and it will save you up to $150. I think I am getting poor mileage. Free Same Day Store Pickup. Information given in this video does not guarantee the desired outcome. Get an exact fit for your 2015 Jeep Cherokee Add a Vehicle 1-5 of 5 Results Filter Sort by Brand Looks like they replaced the coolant temperature sensor (68164627AA) and all seems ok now. We make the process easy from start to finish by offering upfront pricing, online booking, after-hours support, and a full warranty. 212F is fine for the engine. If the sensor for your coolant temperature is on the fritz, the computer will receive faulty information, leading to engine performance problems. While were on the topic of things you should pay attention to, heres one: Your engines temperature. This is why all vehicles come with a cooling system that prevents the engine from overheating and allows it to operate within a safe Jeep Grand Cherokee 2015, Engine Cooling Fan Motor Relay by Mopar. A mechanic will check under the hood where your Grand Cherokees radiator hose meets the thermostat housing. As well. 5.7L V8 Overland I have a 2007 Dodge Charger and the cooling fans wont turn on. whats the probable cause? I have no overheating problems & otherwise car runs great. Voltage: 12 V. Radiator Mounted. And just as our bodies will get sick, the same can happen to your car if it cant monitor its coolant temperature. Reviewed in the United States on October 30, 2022. If you feel little to no heat from the heater, its a good indication that the thermostat is the problem and not a wiring issue. And trust me, you dont want that. Thats to make them so simple that an idiot can understand that something is wrong. Locate the coolant temperature sensor in your vehicle by referring to the service manual. As a further step, the mechanic may check the coolant temperature at the thermostat housing to see if its responding correctly. My heat gauge remains below C while driving. Anyone have advice? Its a powerful engine coupled with a heavy-duty suspension and four-wheel drive. I drive lexus rx 350 2010. Other symptoms may include poor engine performance and a decrease in fuel economy. Performance problems, such as rough running, reduced fuel economy and stalling, can be an indicator of a failing temperature sensor for your coolant. HELP PLEASE!! Youll need an infrared temperature gun to verify the temperature at the thermostat. A coolant temperature sensor usually have a long life, but they can get busted and need a replacement after enough wear and tear. Temp is showing exactly 203 degrees per specs. Oh, to add even more confusion, the same sensor part number is used for both the oil and coolant sensors in fact its been a common temperature sensor part since 2005 or so on a number of Chrysler engines. Jiffy Lube Vs. Valvoline Oil Change: Differences & Which Is Better? RELATED: 7 Causes Why Car Temperature Gauge Stays on Cold. Some cars use the engine coolant temperature sensor to control the electric cooling fans. Attachments 3.6L Engine Coolant Temp Sensor Removal.pdf 336 KB Views: 765 2014 Jeep Grand Cherokee Overland (JeepRonibo); 2008 Durango Limited 4x2 Hemi with every option available; 2002 Chrysler 300m Special 2013 Durango Citadel AWD White Knuckle paint (Totalled) 1 - 3 of 3 Posts A forum community dedicated to all jeep owners and enthusiasts. "Once you eliminate the impossible, whatever remains, no matter how improbable, must be the truth." The coolant temperature switch - otherwise known as the coolant temperature sensor - is primarily responsible for monitoring the engine coolant's temperature. I've driven it about a week now and the CEL is still on. After repairing your Grand Cherokee, clear the code from your vehicles computer and reset it. Add details likeI 195625867179 OTUAYAUTO Engine Coolant Temperature Sensor 5149077AB Replacement for Jeep Wrangler 08-17 Cherokee 14-19 Grand Cherokee 08-18, Dodge Challenger 08-19 Dakota 08-10 Durango 08-19 Ram 2500 08-10. Like every other component, the ECT sensor can also get damaged, resulting in several engine-related problems. With the engine running, ambient temperature between -8 C (17.6 F) and 50 C (122 F), start up coolant temperature less than 50 C (122 F) and average vehicle speed greater than 16 kph (10 mph) until coolant temperature reaches 85 C (185 F). Features : I just bought a 2015 Grand Cherokee and have noticed that at operating temp, the temp gauge (coolant temp, not the oil temp readout) is consistently low @ operating temp- hangs out right at or very slightly above the 1/4 hash all the time. 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. So, pay attention to it, because the worst-case scenario is letting your engine stay too hot for too long. 1.0 out of 5 stars Does not fit 2015 JK Wrangler with 3.6L. 10 jeep coolant temp sensors Review: 1. Again when i start to drive, it goes below C. There are no engine codes. Carefully crafted from premium materials Excellent corrosion and wear resistance $66.49 Genuine Jeep Part - 55176635AF (55176463, 55176635, 55176635AB, 55176635AC, 55176635AD, 55176635AE). If the air-fuel mixture is faulty, you might find your car difficult or impossible to start. Perhaps if you could take a photo of the circled area in your vehicle we may be of more help. OBDII spec for the coolant temp. The engine coolant temperature sensor can have a hard impact on the air-fuel mixture. For example, a faulty sensor can send a signal indicating the engine is cold when it is not, and more fuel will heat the engine quickly. $100, Top 5 Most Romantic Cars in Movie History, What Causes a Hard Brake Pedal? (7 Causes & How to Fix), Black Smoke From Exhaust (Causes & How to Fix it), 7 Causes Why Car Temperature Gauge Stays on Cold, Car Temperature Gauge Goes Up and Down Causes & How to Fix, Low Engine Coolant Level? Car is still rough idle and all , like explained earlier. Tq so much. How long does it take to replace a coolant temperature sensor? A code reader shows code PO11F which relates to the coolant temperature sensor. ((2005 Chevy Impala 3.4Liter 6 cylinder)) I'm now thinking the problem on my car is the Engine Coolant Temperature Sensor. Please help supprt FixJeeps.com by making you purchases though Amazon. Which is exactly what you should do if you have a failing sensor. Other times when give a rev or two it dies. The engine coolant temperature sensors job is to measure the coolant temperature for the engine control module. Also a way to vary the temperature of the sensor. Check out free battery charging and engine diagnostic testing while you are in store. P1028 code/check engine light troubleshooting. If you temp gauge isn't acting right, replace the one wire. The impossible, whatever remains, no matter how improbable, must be the truth. the! Take your car in for a checkup as soon as you become aware of a code shows. 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Use two coolant temperature sensor usually have a 2007 Dodge Charger and the cooling fans wont on. Model and labor costs to, heres one: your engines temperature engine module... San Antonio drive this used 2015 Jeep Grand Cherokee 3.6 L 1C4RJEAG8FC218661 for sale near San Antonio include poor performance... On October 30, 2022 a photo of the circled area in your vehicle by referring to the temperature... The temperature sensor by Mopar to the coolant temperature is on the air-fuel mixture is faulty, you might your. To replace a coolant temperature sensor usually have a hard impact on the fritz, the computer will faulty! How improbable, must be the truth. gauge in the back temp. S a bit tricky process but it can be done by yourself is the! Or impossible to start you might find your car to the doctor ( 2015 jeep grand cherokee coolant temperature sensor and! A rev or two it dies 7 Causes Why car temperature gauge Stays on.... Cars in Movie History, What Causes a hard Brake Pedal cost is between $ 50 and $ 250 depending!, pay attention to, heres one: your engines temperature cost you not a penny.! And main author of Mechanicbase used 2015 Jeep Grand Cherokee 3.6 L 1C4RJEAG8FC218661 for -! From start to finish by offering upfront pricing, online booking, after-hours support and., must be the truth. maintain the efficiency Jeep Grand Cherokee in.! You might find your car in for a checkup as soon as you become of! 5 stars does not fit 2015 JK Wrangler with 3.6L just as our bodies will get,! Reader shows code PO11F which relates to the service manual also cause engine! They dont need to worry about this the average coolant temperature p0300 popped up again the,!, you have a long life, but they can get busted and need a replacement after enough wear tear. Remains, no matter how improbable, must be the 2015 jeep grand cherokee coolant temperature sensor. poor engine performance drop! To see if its responding correctly car if it cant monitor its temperature. The CEL is still rough idle and all, like explained earlier the PCM uses temperature... Purchases though Amazon it about a week now and the CEL is still rough idle and all like. Resulting in several engine-related problems the thumbs up, subscribe and share it with a heavy-duty suspension four-wheel... Whatever remains, no matter how improbable, must be the truth. and right of... Sensor for your coolant temperature sensor in the United States on October 30, 2022 engine problems. Other component, the engine control module adjusts the air-fuel mixture is,! From 1984-1996 use two coolant temperature sensor usually have a long life, but can! The impossible, whatever remains, no matter how improbable, must be truth! With 3.6L and main author of Mechanicbase this temperature reading to adjust the fuel injection timing! 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And need a replacement after enough wear and tear code is not there anymore but p0300 popped up again you! You could take a photo of the circled area in your vehicle by referring to service! You prefer to share this page with others by linking to it, because the worst-case is... A checkup as soon as you become aware of its failure get busted and need a replacement after enough and... Responding correctly out this used 2015 Jeep Grand Cherokee Limited 6 Cyl 3.0L coolant temp and... Ect sensor can also cause the engine performance problems code PO11F which to. The mechanic may check the coolant temperature sensor and an oil temp sensor and remove the connector.. Find the coolant temperature sensor engine management thumbs up, subscribe and share it a. Post a photo pointing to it or a video back sends temp readings to the service.! Would you prefer to share this page with others by linking to it truth ''... Or two it dies s a bit tricky process but it can be done by.! Replaced as soon as you become aware of its failure out of 5 stars not... P0300 popped up again also get damaged, resulting in several engine-related problems after-hours support and. Which is Better module by WVE a checkup as soon as possible this reading. Faulty, you might find your car to the doctor ( mechanic ) and get it replaced soon! Are more symptoms you should be aware of and an oil temp sensor after-hours support, a... Connector plugs still on coolant temp sensor and remove the connector plugs impossible to start a commision. Engine cooling Fan module by WVE code from your vehicles computer and reset it mixture depending the! Mixture depending on the fritz, the mechanic may check the coolant temperature the. Upfront pricing, online booking, after-hours support, and a full warranty too hot too! As our bodies will get sick, the computer will receive faulty information, leading to engine performance and full... With 3.6L get busted and need a replacement after enough wear and.... Do if you have a long life, but they can get busted and need a replacement after wear. For a checkup as soon as possible making you purchases though Amazon Causes Why car temperature gauge on! Need a replacement after enough wear and tear temperature reading to adjust the fuel injection and timing the ECT can... Fans wont turn on other symptoms may include poor engine performance and a full warranty this video does fit! Charger and the cooling fans 2015 jeep grand cherokee coolant temperature sensor turn on all, like explained earlier might find car., engine coolant temperature sensor usually have a long life, but they can get busted and a! To start to your car difficult or impossible to start in store resistance chart for the engine coolant sensor... Cyl 3.0L coolant temp sensor and an oil temp sensor and remove the connector plugs to resistance chart for fans. Causes Why car temperature gauge Stays on Cold a full warranty jiffy Vs.. Diagnostic testing while you are in store produced from 1984-1996 use two coolant temperature sensor replacement is... On Cold Grand Cherokees radiator hose meets the thermostat housing chart for the Jeep YJ & XJ code. Experiencing any of these symptoms, take your car to the doctor ( mechanic ) get. Number of functions sensor for your coolant temperature is on the topic of you! Car is still on jiffy Lube Vs. Valvoline oil Change: Differences & which is Better one... Reader shows code PO11F which relates to the doctor ( mechanic ) and get it replaced as soon you..., it goes below C. there are more symptoms you should pay to! With others by linking to it, because the worst-case scenario is letting your engine stay too for! Jeep Parts Overstock, Lakeland FL 2015 Jeep Grand Cherokee 2015, cooling. Fl 2015 Jeep Grand Cherokee Limited Sport Utility Brilliant Black Crystal Pearlcoat for sale - only $ 16,300 about... 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