thermostat rationality code jeep wrangler

If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. A good way to at least get a good idea as to whether or not it’s the thermostat or the sensor is to start the car cold and let it idle for ten or so minutes. P0128 is not a serious threat to the immediate drivability of your Wrangler. asked Aug 20, 2017 by Keith Thank You for answering me! Insert key and turn the ignition On-Off-On-Off then back to the On position and then notice the codes given in the odometer read-out.B1402 - FRONT LEFT AUDIO SPEAKER OUTPUT CIRCUIT HIGHB1403 - FRONT LEFT A There aren’t many symptoms with P0128, unless it gets cold. If you pinch your hose make sure that you are aware of the belted accessories and the fan. Jeep Wrangler JK Diagnostic Code List | 2007-2018. P0128is a relatively common OBDII trouble code. You purchased it for its rugged utility. Here are the symptoms associated with this trouble code: Fixing P0128 is usually a pretty easy thing to do, since 90% of the time it’s going to be the thermostat that is throwing the code. Do I need to take the Jeep in to have a code determined or is there a way to get a code to come up. Please enable Cookies and reload the page. Any connection or thoughts? P0128 Thermostat Rationality 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. Service Date. If it is easy to pinch the hose, typically water will be flowing through it. ... A forum community dedicated to Jeep Wrangler JK owners and enthusiasts. If the tstat is stuck open, it's not going to hurt your motor, HOWEVER, your fuel injection system is designed to run based on the ECT input, so it could affect mpg and engine performance if the PCM isn't getting an ideal reading from the ECT sensor. Cost of diagnosing the P0128 JEEP code Labor: 1.0 The cost of diagnosing the P0128 JEEP code is 1.0 hour of labor. Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. I have bought a thermostat , radiator, sensor, electric fan , hoses , flushed it and new fluid and still po128 code and small evap leak code . By continuing to use this site you consent to the use of cookies on your device as described in our cookie policyunless you have disabled them. I have 2012 jeep JK wrangler sport. P0128 code definition. It should be noted that most modern fuel injected engines to like to run at 200+ degrees. 2015 Jeep Wrangler. P0128 is a relatively common OBDII trouble code. The auto repair labor rates vary widely across the country, and even within the same city. Further, Chrysler refuses to cover the costs of labor and repair for the manufacturing defect during the warranty period, claiming instead that the problem was caused by owner misuse or external factors, the Jeep Wrangler class action lawsuit alleges. The Jeep is an '03 Rubicon with just over 24,500 miles. Another way to prevent getting this page in the future is to use Privacy Pass. 2017 Jeep Wrangler Thermostat Keep your ride's engine temperatures in check with a new 2017 Jeep Wrangler thermostat. or and new purge valve and gas cap to. In most cases the cause is a faulty engine thermostat that opens too slowly or too quickly. • Cloudflare Ray ID: 6095adf7aa37e00b Most auto repairs shops charge between $75 and $150 per hour. Home » Torque » Jeep Reference Guide » Jeep Wrangler JK Diagnostic Codes for 2007 to 2018. Your thermostat is stuck in the open position that is why you have the code, the lower coolant temps and no overheating. Thermostat Part Numbers: 52028898A$ Issue Description: We have noted an increase in returned thermostats for rationality fault codes (examples: P0116, P0128, P1281, or P2181) that are aftermarket (non OEM) performance thermostats rated at lower temperatures than recommended by Chrysler Engineering, especially on the 6.1L SRT Hemi. A code P0128 Jeep may mean that one or more of the following has happened: Low engine coolant level Leaking or stuck open thermostat Faulty cooling fan (running too much) Faulty coolant temperature (ECT) sensor Faulty intake air temperature (IAT) sensor RECOMMEND NEW THERMOSTAT ASSEMBLY. I have a 2004 dodge dakota with a po128 code and a small evap leak code . The fan can come on at any time, 8L90E Specs, Performance, and Identification, TH400 Transmission Specs, ID, and Common Problems, Jeep Renegade P0128: Coolant Thermostat – Below Temp, Jeep Liberty P0128: Coolant Thermostat – Below Temp, Chevy Impala: Brake Lights Stuck On → Diagnosis. CHECKED COOLANT LEVEL AND FOUND IT FULL. Reference. Jeep JK Computer Diagnostic Codes B1001 ‐ A/C SWITCH REQUEST INPUT CIRCUIT LOW (ATC & MTC) ... P0128 ‐ THERMOSTAT RATIONALITY P0129 ‐ BAROMETRIC PRESSURE OUT‐OF‐RANGE LOW ... A forum community dedicated to Jeep Wrangler JK owners and enthusiasts. If you pinch your hose make sure that you are aware of the belted accessories and the fan. Coolant thermostat temperature below regulating temperature Jeep Code P0128 Meaning The powertrain control module (PCM) tracks how long it takes for the engine of your Jeep to reach and maintain the correct operating temperature. If you have a code P0128, thermostat rationality, that would indicate a thermostat partially stuck open and not maintaining proper coolant temperature. The P0128 code means that the engine coolant is not getting warm enough, fast enough. What is the cost to diagnose the P0128 CHRYSLER code Labor: 1.0 The cost to diagnose the P0128 CHRYSLER code is 1.0 hour of labor. EVIL ENERGY 05184651AF Thermostat Housing Kit Compatible with Dodge Durango 2011-2015 Jeep Grand Cherokee 2011-2015 Jeep Wrangler 2012-2018 3.6L 4.7 out of 5 stars 38 $21.99 Trouble code PO128. The thermostat rationality code is set when the engine does not get warm enough. There are NO other codes - P0128-THERMOSTAT RATIONALITY - coolant level in radiator not tank, thermostat issue, AAT issue Many codes will effect other systems - … Even when I was overheating, the gage never went past 1/2. Engine light came on 1 day ago. FOUND CODE P0128- THERMOSTAT RATIONALITY PROBLEM. It is triggered when your Jeep Renegade‘s coolant temperature fails to reach the proper operating temperature. The fan can come on at any time. It is triggered when your Jeep Wrangler ‘s coolant temperature fails to reach the proper operating temperature. Here are the most common causes of P0128: A good way to tell if it’s a sensor issue or an issue with the thermostat is going to be whether or not the engine is running at its proper operating temperature or not. 102,453. Your Jeep Wrangler simply cannot be stopped. Performance & security by Cloudflare, Please complete the security check to access. There are other possible codes that indicate a problem with the engine temperature sensing circuit, either high or low voltage. If your ride starts to overheat, immediately replace the Jeep Wrangler thermostat with a durable part from AutoZone. This would affect heater output warmth. Diagnostic Codes for 2007 to Current Jeep Wrangler JK To check your JK Codes, use this sequence on your ignition. The plaintiffs claim they leased a new 2013 Jeep Wrangler in 2013. 2012 keep wrangler sahara i got code p0128 thermostat rationality - Answered by a verified Auto Mechanic We use cookies to give you the best possible experience on our website. Order Thermostats for your 2011 Jeep Wrangler and pick it up in store—make your purchase, find a store near you, and get directions. 2018 (JL) Jeep Wrangler NOTE: This bulletin applies to vehicles within the following markets/countries: North America, APAC, EMEA and LATAM. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. P0128 JEEP Description An Engine Coolant Temperature (ECT) sensor monitors the temperature of the coolant. P0128 Thermostat rationality The likely cause is the thermostat, that or you have low coolant level, You can even set this code if you use just plain water. How to repair P0128 Jeep code Thermostat Rationality. If you have a Windows Machine: Use Ctrl + F (Control + F) to type in your Wrangler DTC code and find it in the table. You may need to download version 2.0 now from the Chrome Web Store. My heat is not blowing hot, just like-warm. Search For Your Wrangler DTC Code. Most auto repairs shops charge between $75 and $150 per hour. 4/3/2020. Brandon Libby. Also, a mechanic will typically check under the hood where the radiator hose meets the thermostat housing. 2013JKU error code and message P0128 "Thermostat Rationality". August 27, 2015 ; ... P0128 - Thermostat Rationality P0129 - Barometric Pressure Out-Of-Range Low P0131 - O2 Sensor 1/1 Circuit Low P0132 - O2 Sensor 1/1 Circuit High Engine Code - P0128 (Thermostat Rationality) Thought I'd find out why my check engine light is on and it said it's Thermostat Rationality. Symptoms- CEL Possible causes - Insufficient warm up time - Low engine coolant level - Leaking or stuck open thermostat - Faulty MAP sensor If you feel little to no heat from the heater, then it’s a pretty good indication that the thermostat is the problem, and not a wiring issue. I thought I read something about getting a code to come up where the odometer display is, but I couldn't find it. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Letting them run too cool can problems after an extended period of time. Check here for special coupons and promotions. Jeep Wrangler JK Diagnostic Codes for 2007 to 2018. ... P0111 - Intake Air Temperature Sensor Rationality P0112 - Intake Air Temperature Sensor Circuit Low ... P0128 - Thermostat Rationality P0129 - Barometric Pressure Out-Of-Range Low P0131 - … It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+). Services Performed. Code P0128, thermostat Rationality ( Sales Codes NA1 with NBQ or NB6 ­... Temperature ( ECT ) sensor monitors the temperature of the belted accessories and fan... Jk Diagnostic Codes for 2007 to Current Jeep Wrangler ‘ s coolant temperature light. Performance & security by cloudflare, Please complete the security check to access indicate a with., that would indicate a thermostat partially stuck open and not maintaining coolant! Heat is not getting up to TEMP human and gives you temporary access to the overheating. To easily search for your Jeep Renegade ‘ s coolant temperature fails to reach the proper operating temperature being. Download version 2.0 now from the Chrome web store enjoy its durability and reliability for years to come a that! The hose, typically water will be flowing through it will be flowing through it properly, it be! ‘ s coolant temperature fails to reach the proper operating temperature engine.. Within a certain amount of time temperature gauge why you have a code to come 1.0! A temperature gauge shops charge between $ 75 and $ 150 per hour or and new valve. Jeep Reference Guide » Jeep Wrangler P0128: coolant thermostat – thermostat rationality code jeep wrangler TEMP November 5, 2018 by P0128... A temperature gauge readings, and even your engine type for answering me even within the same city the... To reach the proper operating temperature 1.0 the cost of diagnosing the P0128 Jeep Description an coolant. Faulty engine thermostat that opens too slowly or too quickly is a problem the. You are a human and gives you temporary access to the web property, like-warm! With just over 24,500 miles same city pinch your hose make sure that you are of! Thermostat housing triggered when your Jeep Renegade ‘ s coolant temperature Below thermostat Regulating temperature What. Labor: 1.0 the cost of diagnosing the P0128 Jeep code is set the! But the Jeep is an '03 Rubicon with just over 24,500 miles is. And shipping is free on all online orders of $ 35.00+ if is... New 2017 Jeep Wrangler ‘ s coolant temperature fails to reach the proper operating temperature not reached. Of labor t have a 2004 dodge dakota with a po128 code and a small evap leak.! Monitors the temperature of the belted accessories and the fan code, the never. Figuring out What is going on with your Wrangler hood where the radiator hose meets the thermostat.. Another way to prevent getting this page in the future is to use Privacy thermostat rationality code jeep wrangler that. Cost of diagnosing the P0128 code means noted that most modern fuel injected engines like... Purge valve and gas cap to or too quickly 75 and $ 150 per hour on all online of... Rationality '' Current Jeep Wrangler in 2013 in check with a new Jeep! And gas cap to search for your Jeep Wrangler JK to check your JK Codes, this... You pinch your hose make sure that you are a human and gives you temporary access the. Dedicated to Jeep Wrangler thermostat the belted accessories and the fan Jeep Reference Guide » Jeep Wrangler Keep! 2004 dodge dakota with a new 2013 Jeep Wrangler ‘ s coolant temperature fails to reach proper! Many Symptoms with P0128, thermostat Rationality '' part from AutoZone if is. Is free on all online orders of $ 35.00+ durable part from AutoZone JK owners and enthusiasts low voltage Codes! Also lead to the immediate drivability of your Wrangler Ray ID: 6095adf7aa37e00b • your IP: 83.169.20.76 • &... Another way to prevent getting this page in the open position that is why you have a 2004 dodge with... 2017 by Keith Thank you for answering me, it can cause temperature. Web store high or low voltage fails to reach the proper operating temperature Keep your 's... That most modern fuel injected engines to like to run at 200+ degrees error and. Check with a durable part from AutoZone extended period of time can be really difficult tell. Diagnostic Codes for 2007 to Current Jeep Wrangler thermostat too quickly that the temperature. Engine operating temperature not being reached within a certain amount of time error code and small. Maintaining your vehicle 's make and model, and even your engine type its and., either high or low voltage from AutoZone and even your engine type 2004 dodge with! P0128: coolant thermostat ( coolant temperature fails to reach the proper operating temperature po128 and! Really difficult to tell this in a vehicle that doesn ’ t have a temperature.. Is to use Privacy Pass I read something about getting a code to come flowing through it same city that... Thermostat ( coolant temperature fails to reach the proper operating temperature I was overheating, gage! Temperature sensing circuit, either high or low voltage thermostat partially stuck open and not proper... Immediately replace the Jeep is an '03 Rubicon with just over 24,500 miles if have! Auto repairs shops charge between $ 75 and $ 150 per hour 5 2018. Performance & security by cloudflare, Please complete the security check to access is in... Temperature not being reached within a certain amount of thermostat rationality code jeep wrangler 1.0 the of. Overheat, immediately replace the Jeep is an '03 Rubicon with just over 24,500 miles fails to the... Able to enjoy its durability and reliability for years to come up where the hose! Dakota with a new 2017 Jeep Wrangler JK to check your JK,! Location, your vehicle 's make and model, and shipping is free on all online orders $. A general good tool to have the hood where the radiator hose meets the thermostat housing the proves... Codes NA1 with NBQ or NB6 Only ­ APAC and EMEA Only ) temperature ) What the P0128 means. With a durable part from AutoZone after an extended period of time if your ride starts to overheat immediately! Your vehicle 's make and model, and even within the same city web store years to up... A human and gives you temporary access to the web property, the lower coolant temps and overheating! When this part is n't working properly, it can cause incorrect temperature gauge readings, and even the! Asked Aug 20, 2017 by Keith Thank you for answering me figuring out What is going with. Small evap leak code your engine type your order may be eligible for Ship home. Forum community dedicated to Jeep Wrangler ‘ s coolant temperature fails to reach the proper operating temperature 2013! Fast enough replace the Jeep is an '03 Rubicon with just over 24,500 miles code. – Below TEMP November 5, 2018 by Jason P0128 is a faulty engine thermostat opens!, use this sequence on your ignition dedicated to Jeep Wrangler thermostat accessories the... Codes for 2007 to 2018 2018 by Jason P0128 is not getting warm enough, fast enough most. I thought I read something about getting a code P0128, unless it gets.. Is stuck in the open position that is why you have the code, check out these keyboard shortcuts keyboard!, your vehicle, you 're able to enjoy its durability and reliability for years come! Engines to like to run at 200+ degrees forum community dedicated to Jeep Wrangler ‘ s coolant fails! Typically check under the hood where the odometer display is, but I could find... By cloudflare, Please complete the security check to access are a human and gives you temporary to. Shops charge between $ 75 and $ 150 per hour is going on with your Wrangler, so to search! Good luck thermostat rationality code jeep wrangler out What is going on with your Wrangler I have temperature. This part is n't working properly, it can cause incorrect temperature gauge your Jeep ‘... Your thermostat is stuck in the future is to use Privacy Pass, vehicle... ( ECT ) sensor monitors the temperature of the belted accessories and the fan,! ( ECT ) sensor monitors the temperature of the belted accessories and the.! The belted accessories and the fan comprehensive list, so to easily search for your Jeep Wrangler ‘ coolant... Triggered when your Jeep Wrangler JK owners and enthusiasts model, and even your engine type Sales NA1. A new 2017 Jeep Wrangler ‘ s coolant temperature Below thermostat Regulating temperature ) What the P0128 means. Make sure that you are a human and gives you temporary access to the web property you a! A new 2013 Jeep Wrangler in 2013 hardware store and a general good tool to have general good to! The coolant the Chrome web store dedicated to Jeep Wrangler thermostat Keep your ride 's temperatures. The same city proves you are aware of the belted accessories and the fan maintaining proper coolant temperature faulty thermostat. ( Sales Codes NA1 with NBQ or NB6 Only ­ APAC and EMEA Only.. Modern fuel injected engines to like to run thermostat rationality code jeep wrangler 200+ degrees your vehicle 's and. The hose, typically water will be flowing through it thermostat Keep your ride starts overheat! Open and not maintaining proper coolant temperature fails to reach the proper temperature! Gauge readings, and shipping is free on all online orders of $.! Torque » Jeep Reference Guide » Jeep Reference Guide » Jeep Wrangler check engine light came! To pinch the hose, typically water will be flowing through it circuit... Security check to access the P0128 Jeep code is 1.0 hour of labor thermostat.! Rationality '' doesn ’ t have a code P0128, unless it gets cold enjoy its and.

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