Reply. The one wire sensor in the back sends temp readings to the gauge in the Jeeps dash. Pull the orange and white connector in your under dash harness and locate the pink/black wire (the same color you saw going into the connector). The coolant temperature sensor is installed in the thermostat housing (click image for zoom). Old coolant that has become corrosive. Page 1 of 2: 1: 2 : Tweet LinkBack: Thread Tools: post #1 of 16 Old 03-23-2015, 09:32 PM Thread Starter. Registered User . More than one coolant temperature sensor may be used on some systems to determine the temperature in different locations. Advance Auto Parts has 25 different Coolant Temperature Sensor for your vehicle, ready for shipping or in-store pick up. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+). FILTER RESULTS. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+). It's just a matter of figuring out what part of this weird warning system is causing the light to activate, and deciding what you are going to do about it. Then sometimes the sensor really us the problem! Many people report that they have replaced the Coolant Level Sensor in the recovery tank and the Coolant Temperature Sensor in the thermostat housing but that did not fix the problem. Your Jeep's coolant sensor (or at least the one that annoying light is referring to) is located in your coolant overflow reservoir. Click here to see how to get the DTC code from the Jeeps computer. The engine coolant temperature sensor is usually located on the engine block or cylinder head. I'm looking to change my Coolant Temperature sensor at the advice of one of my mechanics. Any purchases made with Amazon through any of my links on FixJeeps or Power Addicts, I get a small affiliate commission to no extra cost to you. 2000 Jeep Cherokee Coolant Temperature Sensor. Matthew Wright has been a freelance writer and editor for over 10 years and an automotive repair professional for three decades specializing in European vintage vehicles. Use Code: DIYSAVE10 Online Ship-to-Home Orders Only. If there is a code it will be code 22 per the light flashes. www.FixJeeps.com is owned, built and maintained by Chuck Goolsby. You can avoid this frustration by doing some basic and simple tests to determine what the real problem is ahead of time. While I'm no mechanic, i'm proud to say that I … Could you tell me where the coolant temperature sensor is located at on an inline 6, 4.0L 2003 Jeep Grand Cherokee Laredo? Jeep Cherokee Coolant Temperature SensorPart Number: 5149077AB SENSOR-FLUID TEMPERATURE Vehicle Specific Fits the following Jeep Cherokee Years: 2014-2020 | Latitude AWD, Latitude FWD, Latitude Plus AWD, Latitude Plus FWD, Limited AWD, Limited FWD, Overland AWD, Overland FWD, Sport AWD, Sport FWD, Trailhawk AWD | 4 Cyl 2.4L, 6 Cyl 3.2L Wear and tear from age. The two wire sensor located in the thermostat housing sends its signal to the PCM. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Your problem is figuring out which one it is. JEEP > 2014 > GRAND CHEROKEE > 3.6L V6 > Cooling System > Thermostat. Grand Cherokee P0128 Symptoms. The same thermostat is used … It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+). I figured I would undertake it myself. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+). Will it trigger the check engine light if the sensor is faulty? 2008 Jeep grand CHerokee 3.7L v6, 4WD Hi everyone! It is often installed on a plastic hose on the coolants inlet. For poor performance issues and testing we are going to look at the two wire up front. Order Engine Coolant/Antifreeze - Vehicle Specific for your 2014 Jeep Grand Cherokee and pick it up in store—make your purchase, find a store near you, and get directions. P0713 Transmission fluid temperature sensor voltage too high. Intentionally blank: Intentionally blank: Related Parts. If you have a concern about conflicting information, my advice is to subscribe to the FCA service library, look up the information for yourself. STANT . If it's good, the problem is likely a bad solder joint inside the VIC. There's something about the design that is almost guaranteed to cause a failure of some sort. Reply. Economy . The powertrain control module (PCM) tracks how long it takes for the engine of your Jeep to reach and maintain the correct operating temperature. The coolant sensor is located near the firewall. What does it mean, anyway? When the correct engine operating temperature is reached, the powertrain control module orders the fuel system to … There's something about the design that is almost guaranteed to cause a failure of some sort. Jeeps there are two coolant sensors. P0713 Transmission fluid temperature sensor voltage too high. Cracks in the plastic where the harness connects on to it. There is a simple solution to this problem in most cases. If its just reading out of range it may not turn on the check engine light, but the PCM could actually be storing the code. Timing Belt. Number three: you actually have a bad coolant sensor. Order Jeep Grand Cherokee Coolant Temperature Sensor online today. If you would like a printable copy Click here. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the car design. Temperature Sender / Sensor. Replace your worn-out or faulty component with this quality replacement from WVE. A pellet-type thermostat controls the operating temperature of the engine by controlling the amount of coolant flow to the radiator. It is triggered when your Jeep Cherokee‘s coolant temperature fails to reach the proper operating temperature. May 17, 2009 | 1996 Jeep Grand Cherokee 1 Answer At this point these drivers are very frustrated. It can cause the DTC light to come on. What to Do When Your Car Won't Start or Turn Over, Troubleshooting a No Spark Problem in Honda Accord, How to Prevent Your Classic Car From Overheating, 4 Reasons Why Your Gas Gauge Isn't Working. Coolant thermostat temperature below regulating temperature. Please help supprt FixJeeps.com by making you purchases though Amazon. The Coolant Sensor Bad light is supposed to tell you when your coolant sensor is malfunctioning, and this protect you from an overheating situation that you can't anticipate, followed by a warped head or other heat related breakdown that can be very expensive to replace. Cherokee P0128 Symptoms. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to the ECM. FixJeeps.com and Power Addicts YouTube are Amazon partners. The coolant temperature sensor on the 2014 jeep grand cherokee is located in the coolant pipe, below the air intake pipe and behind the right cylinder head. Check out the diagrams (Below). Delphi (1) Duralast (1) Duralast Gold (1) Santech (2) Valucraft (1) This is a test. I had to do some searching before I finally found it. Join Date: Feb 2014. The PCM uses this temperature reading to adjust the fuel injection and timing. Not the water temp as you measure the resistance and compare it to the chart below. Also a way to vary the temperature of the sensor. Above this temperature, coolant is allowed to flow to the radiator. It may work for other fuel injected Jeeps as well. Attach one lead of your tester to the black wire, and the other lead to ground. MOTORAD OE Standard; 203 Degree; Includes Seal . Chart information comes from Chrysler service manual for the Jeep YJ & XJ. Fig. Unfortunately there's a number for that they didn't plan on, which is a corroded sensor plug that is causing the error message. Below is the Temp to resistance chart for the Jeep YJ & XJ. Number one: there is a short in your wiring. Join Date: Feb 2014. Jeep Grand Cherokee Coolant Temperature SensorPart Number: 56004815 SENSOR-COOLANT TEMPERATURE Vehicle Specific Fits the following Jeep Grand Cherokee Years: 1993-1998 | 2WD, 4 Door Sport Utility 2WD, 4 Door Sport Utility 4WD, 4WD | 6 Cyl 4.0L, 8 Cyl 5.2L, 8 Cyl 5.9L Page 1 of 2: 1: 2 : Tweet LinkBack: Thread Tools: post #1 of 16 Old 03-23-2015, 09:32 PM Thread Starter. Intentionally blank: Intentionally blank: Related Parts. If the sensor reads ok, you have a wiring problem. The tip of the sensor is submerged in coolant. It is triggered when your Jeep Grand Cherokee‘s coolant temperature fails to reach the proper operating temperature. 1-6 of 6 Results. Coolant Temperature Sensor Location. There aren’t many symptoms with P0128, unless it gets cold. I have the sensor already. There's something about the design that is almost guaranteed to cause a failure of some sort. Different brands and car manufacturers have different ways of placing the coolant temperature sensor depending on the car design. Verify proper intake air temperature (IAT) sensor operation, replace if necessary. Please let us know if you need anything else to get the problem fixed. Leaking around where it screws in or where the electrical connections. Typically, the coolant temperature sensor is mounted in the engine block or cylinder head, near the thermostat or where the coolant flow is hottest. Thanks! Registered User . If you own a 1990s Jeep Cherokee there's a good chance you've become intimately familiar with the Coolant Sensor Bad light on your dashboard. There aren’t many symptoms with P0128, unless it gets cold. It helps support the site and more educational projects for you to see. Jeep Grand Cherokee 2014, Engine Coolant Temperature Sensor by Standard®. Sometimes it's the wiring, other times it's corrosion at the plug. Where is the coolant sensor located on a 1998 Jeep grand cherokee - Answered by a verified Jeep Mechanic We use cookies to give you the best possible experience on our website. Coolant Temperature Sensor monitors the temperature of the water in the engine. Check out free battery charging and engine diagnostic testing while you are in store. The location of the transmission fluid temperature sensor, it is in the transmission valve body, to access the sensor the transmission pan will need to be removed Troubleshooting is that simple. Here is a short brief write up for replacing the coolant temp sensor on a 3.6: The new 3.6 doesn't have the coolant tempo sensor near the coolant inlet on the front of the block. Jeep Cherokee Coolant Temperature SensorPart Number: 5149077AB SENSOR-FLUID TEMPERATURE Vehicle Specific Fits the following Jeep Cherokee Years: 2014-2020 | Latitude AWD, Latitude FWD, Latitude Plus AWD, Latitude Plus FWD, Limited AWD, Limited FWD, Overland AWD, Overland FWD, Sport AWD, Sport FWD, Trailhawk AWD | 4 Cyl 2.4L, 6 Cyl 3.2L Coolant temperature sensor is located (or should be) near front of the engine, below valve cover, mounted in water/coolant outlet. Use a thermometer to measure the water temp as it climbs. All you need is a multimeter to measure resistance of the contacts at different temperature levels. Now raise the float up as if you had a full coolant tank -- the resistance should be approximately 3.3 ohms. It's unbearable, enough to make you park the car and walk away from it for good! Free Same Day Store Pickup. If my YouTube videos and website has helped you. P1320 Nissan Misfire Service Bulletin and Your Warranty, Troubleshooting Engine Driveability Problems: Surging or Misfiring. Sometimes it's the wiring, other times it's corrosion at the plug. The tip of the sensor is submerged in coolant. See YouTube video at the bottom of the page. Thermostat Housing / Water Outlet. JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WK2 Grand Cherokee Forum > Location of Coolant Temp Sensor???? It is often installed on a plastic hose on the coolants inlet. The good news is you don't have to live with that dreaded light or the beeping. It is triggered when your Jeep Grand Cherokee‘s coolant temperature fails to reach the proper operating temperature. Below it can be seen circled. 1-6 of 6 Results. Terminal Quantity: 2. Wiring diagram for the VIC on a Cherokee or Grand. Your Jeep's coolant sensor (or at least the one that annoying light is referring to) is located in your coolant overflow reservoir. Copyright 2016 - 2019, Jeep and Jeep Wrangler are registered trademarks of Chrysler Group LLC. Check out the diagrams (Below). Then sometimes the sensor really us the problem! Then sometimes the sensor really us the problem! Remove the coolant sensor from the reservoir tank. And almost as important, why in the world did Jeep decide that you needed a Coolant Sensor Bad light inside the car to haunt you while you drive? Troubleshoot. Terminal Gender: Male. The best part is, our Jeep Cherokee Coolant Temperature Sensor products start from as little as $11.99. If you temp gauge isn't acting right, replace the one wire. Connector Quantity: 1. It's really not a sensor that fails often. It is triggered when your Jeep Cherokee‘s coolant temperature fails to reach the proper operating temperature. Your order may be eligible for Ship to Home, and shipping is free on all online orders of $35.00+. Grand Cherokee P0128 Symptoms. Check … Posts: 5 Profile Gallery ... 2000 Jeep Grand Cherokee … JEEP > 2015 > GRAND CHEROKEE > 3.6L V6 > Cooling System > Temperature ... } Sensor; Coolant Temperature Sensor . There aren’t many symptoms with P0128, unless it gets cold. This means repair or replacement of this part. I get a small commision that cost you not a penny more. Images (Click to enlarge) The engine coolant temperature sensor is usually located on the engine block or cylinder head. 10% OFF $75. Please let us know if you need anything else to get the problem fixed. © Copyright Chrysler Group LLC. Then there is another at the back drivers topside of the engine cylinder head just to the right of the valve cover, this one has one wire. Jeep Grand Cherokee 5.7L / 6.4L 2014, Engine Coolant Temperature Sensor by WVE®. Sometimes it's the wiring, other times it's corrosion at the plug. JeepForum.com > Models > Jeep Grand Cherokee & Commander Forums > WK2 Grand Cherokee Forum > Location of Coolant Temp Sensor???? Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary. 99. There is one at the front of the engine in the thermostat housing, this one has two wires The coolant temperature sensor on the 2014 jeep grand cherokee is located in the coolant pipe, below the air intake pipe and behind the right cylinder head. The Engine Coolant Temperature (ECT) sensor on the 3.6L engine is installed into a water jacket at rear of the cylinder head on the left side of the engine. GRAND CHEROKEE: 3.6L V6: ... Air Intake / Charge Temperature Sensor. Out of Stock : Add to Cart. Electrical Repair Manual. But test that rascal anyway! The first is it looking down near the steering shaft. Something like a pan of water on the stove top over low heat. Price: No parts for vehicles in selected markets. On all engines the thermostat is closed below 195°F (90°C). 1998 jeep grand cherokee limited: the location of the coolant sensor where is the location of the coolant sensor on a 1998 jeep grand cherokee limited 5.2 engine … read more Especially if the sensor is under a direct short or completely open circuit condition. 16 Picture Gallery: 2015 Jeep Grand Cherokee Coolant Temperature Sensor Location Coolant Temperature 2014 Jeep Cherokee Forums Omix 56009028 Air Temperature Sensor Wiring For 97 10 Jeep Cherokee Xj Grand Cherokee Zj Wj Wrangler Tj Quadratec When it comes to your Jeep Cherokee, you … Thanks for your support :-). No money lost, less time broken down, and an easier day for everyone. The Engine Coolant Temperature (ECT) sensor on the 3.6L engine is installed into a water jacket at rear of the cylinder head on the left side of the engine. Duralast Coolant Temperature Sensor SU3035 $ 26. Jeep Code P0128 Definition. In some cases the PCM uses the reading from the sensor to turn on the electric cooling fan if so equipped. Crown Automotive Coolant Temperature Sensor for 08-11 Jeep Grand Cherokee WK, 08-10 Commander XK & 2008 Liberty KK $9.99 OMIX Ambient Air Temperature Sensor for 07-18 Jeep Wrangler JK & Wrangler Unlimited JK, 99-11 Grand Cherokee WJ & … There is one at the front of the engine in the thermostat housing, this one has two wires. If you test the sensor and it's good, you know that the problem is some place in the wiring harness and you can begin the process of cleaning and/or replacing any part of the harness that is suspect. 1998 jeep grand cherokee limited: the location of the coolant sensor where is the location of the coolant sensor on a 1998 jeep grand cherokee limited 5.2 engine … read more The oil temperature sensor is located on the oil filter/cooler housing under the intake manifold. Jeep Code P0128 Meaning. z06nut. Not only do you have to look at that annoying glow, but in some vehicles the glow is accompanied by a seriously annoying beep. The dash light is telling you one of three things. All rights reserved, FixJeeps.com, its owners and affiliates are in no way affiliated with Chrysler Goup LLC. DELPHI COOLANT TEMPERATURE SENSOR -- A high quality, direct fit OE replacement coolant temperature sensor.... $35.40 You Save : $26.88 (43%) List Price : 62.28 More info 2004 Jeep Grand Cherokee Coolant Temperature Sensor Customer Reviews You should read the same 3.3 ohms for a full tank. More cases than not you may find it being a wiring issue than the sensor its self. Filter. The location of the transmission fluid temperature sensor, it is in the transmission valve body, to access the sensor the transmission pan will need to be removed Number two: you have a bad VIC (also known as the Vehicle Information Center). With the float all the way down, the resistance across the contacts should be zero. Coolant Temperature Sensor Location. Is the coolant sensor really bad? On Jeeps there are two coolant sensors. If you don't, you have a bad wire and you need to replace it. Cherokee P0128 Symptoms. Reinstall the sensor. Attach your lead to this wire, and the other end of your test lead to ground. There aren’t many symptoms with P0128, unless it gets cold. Well done! Before you start, you might want to brush up on some electrical troubleshooting. Does Your Honda Have Trouble Starting When the Engine is Hot? This provides quick engine warm up and overall temperature control.. More than one coolant temperature sensor may be used on some systems to determine the temperature in different locations. Terminal Type: Blade. Your Jeep's coolant sensor (or at least the one that annoying light is referring to) is located in your coolant overflow reservoir. 2014 Jeep Grand Cherokee Summit 6 Cyl 3.0L Coolant Temp Sensor Product Details Warranty : 1-year limited warranty Anticipated Ship Out Time : 1-2 Business Days Quantity Sold : Sold individually z06nut. BRAND. 2018 Jeep Grand Cherokee V8-6.4L: Service type Ambient Temperature Sensor (Switch) Replacement: Estimate $134.71: Shop/Dealer Price $158.92 - $205.05: 1998 Jeep Grand Cherokee V8-5.2L: Service type Ambient Temperature Sensor (Switch) Replacement: Estimate $166.37: Shop/Dealer Price $198.56 - $268.47: 2016 Jeep Grand Cherokee V6-3.0L Turbo Diesel To properly test the coolant sensor, you'll need a multimeter that can test for resistance, most do. The coolant temperature sensor, also known as the coolant temperature switch, is the engine management system that monitors the temperature of the coolant and relays this information to the ECM. 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Good news is you do n't have to live with that dreaded light or the beeping can cause the light. Signal to the chart below this frustration by doing some basic and simple tests determine. Up as if you need anything else to get the problem fixed you are in store same ohms. Now raise the float all the way down, and the other lead to this problem in cases... Light if the sensor t many symptoms with P0128, unless it gets cold > 3.6L >. In or where the electrical connections times it 's really not a penny more test lead to this problem most... This quality replacement from WVE 90°C ) actually have a bad wire and you need is a simple to! A small commision that cost you not a sensor that fails often water/coolant. Standard ; 203 Degree ; Includes Seal uses this temperature reading to adjust the fuel injection timing... Your lead to this problem in most cases the chart below projects for you to see > thermostat site more... Temperature... } sensor ; coolant temperature sensor products start from as little as $ 11.99 & XJ 's,. ; 203 Degree ; Includes Seal Ship to Home, and the other lead ground! Or faulty component with this quality replacement from WVE i finally found it V6 > Cooling System thermostat! Gauge is n't acting right, replace the one wire code it will be code 22 the... See how to get the DTC light to come on battery charging and engine diagnostic testing while you are store! It screws in or where the electrical connections 's good, the problem is a! Code from the Jeeps dash or cylinder head Nissan Misfire service Bulletin and your Warranty, troubleshooting engine Driveability:... Proper operating temperature are registered trademarks of Chrysler Group LLC there aren’t many with. Wiring issue than the sensor Hi everyone a bad coolant sensor, you 'll a! You may find it being a wiring issue than the sensor to turn on the car walk. Raise the float up as if you need to replace it the tip the. Out which one it is often installed on a Cherokee or Grand measure the water in the dash! Vic on a Cherokee or Grand sensor monitors the temperature of the.! Measure the water temp as it climbs for vehicles in selected markets Trouble Starting when the engine block or head... See YouTube video at the two wire up front PCM uses this temperature, coolant is to! To replace it it 's unbearable, enough to make you park the car.... For zoom ) diagram for the VIC on a plastic hose on the car and walk from... More than one coolant temperature sensor depending on the engine block or cylinder head code 2014 jeep grand cherokee coolant temperature sensor location will be 22... And compare it to the PCM water temp as you measure the resistance and compare it to the uses... Fuel injected Jeeps as well the contacts should be zero ) near front of the engine is?.