or and new purge valve and gas cap to. Can anyone direct me to a resource where I can find this or maybe have a picture on them where it … •Start up coolant temperature less than 65°C (149°F). They replaced the thermostat and coolant and now it's good to go. Follow up - Minimal and not adequate heat! I have already ordered the replacement part and plan on replacing it myself. I'd like to replace it for $50 versus $300. The auto repair labor rates vary widely across the country, and even within the same city. P2172 - High Airflow/Vacuum Leak Detected. Just recently acquired a 2012 Jeep Grand Cherokee Overland. Similar codes: P0125 Jeep In determining the engine did not reach a “normal” temperature, it takes into account the length of time the vehicle has been running, the intake air temperature (IAT) sensor reading, the engine coolant temperature (ECT) sensor reading, and the speed of the vehicle. Not sure how you thought I was going to do this myself, all I asked for what was involved in fixing it! P0335 - Crankshaft Position Sensor Circuit. P050D - Cold Start Rough Idle. Some TSBs are posted on the internet, and good old Google can help. 4.7 out of 5 stars 38. Some TSBs are posted on the internet, and good old Google can help. ... 2014 Jeep wrangler unlimited wellys wheeler Black ... Hi if you have a you need to replace of P0128 you need to replace thermostat and flush cooling system you should fix your problem if you have any other codes please post … 08-11-2018, 07:45 PM #3. The 2015 Jeep Renegade has 7 problems reported for thermostat failure. 2007-2018. You may find a Jeep P0128 –P0128-THERMOSTAT RATIONALITY trouble code on your Jeep, Dodge or Chrysler product. Trouble Code: P0128. In most cases the cause is a faulty engine thermostat that opens too slowly or too quickly. I would start by finding out what coolant is used in your Jeep and top it up if you see it is low. Jeep Wrangler TJ Showcase. monitored coolant temp and found it not getting up to temp. 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. If this is your first visit, we’re glad to have you here and hope you’ll take the time to become a member. Jeep Wrangler TJ Showcase. Chrysler thermostat rationality. Is this a reasonable price for this service? Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the most typical cause for the P0128 code is going to be a thermostat that is stuck open. To determine when to set the Jeep P0128 trouble code, the PCM tries to predict what engine coolant temperature should be based on the engine temperature and ambient temperature at cold … Dodge Code P0128 Definition. Jeep TSB 18-063-16: Technical Service Bulletin for the 2015 Jeep Renegade. 4/3/2020. 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. Now way too many people jump to conclusions, and take that code as meaning their thermostat is bad. 1987-1995. I have a 2015 Jeep Renegade. 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 want to keep your vehicle safe on the road for many years to … Registration is FREE and takes seconds to do. 1945-1986. thermostat was possible stuck open. 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. Jeep Wrangler JL Showcase. P0128-THERMOSTAT RATIONALITY For a complete wiring diagram, refer to the wiring information. P0128 is a relatively common OBDII trouble code. P0128 - Thermostat Rationality P0129 - Barometric Pressure Out-of-range Low P0131 - O2 Sensor 1/1 Circuit Low P0132 - O2 Sensor 1/1 Circuit High. P0128 Causes: Jeep Renegade. What is the cost to diagnose the P0128 JEEP code Labor: 1.0 The cost to diagnose the P0128 JEEP code is 1.0 hour of labor. 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. Most auto repairs shops charge between $75 and $150 per hour. I took it to the dealership and they flashed the powertrain control module. The check engine light is on and it is a P0128 code . Average repair cost is $440 at 41,500 miles. In most cases the cause is a faulty engine thermostat that opens too slowly or too quickly. 1997-2006. See good deals, great deals and more on Used 2015 Jeep Wrangler. When this part isn't working properly, it can cause incorrect temperature gauge readings, and can also lead to the engine overheating. Can restart in hour with check engine light. 1987-1995. Average repair cost is $440 at 41,500 miles. Maserati Grecale Forum NEW! Keep your ride's engine temperatures in check with a new 2015 Jeep Wrangler thermostat. 2015 jeep wrangler. codes pointed to bank one 2 Answers. 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. Joined Feb 20, 2015 ... Would not go off no matter how many on/off cycles. More Buying Choices $14.25 (3 used & new offers) Genuine Mopar Thermostat Housing. Jeep Gladiator JT Showcase. For example, search for '2014 Jeep Wrangler code P0520 bulletin .pdf' and you will find the Chrysler bulletin in a .pdf format. p0128 chrysler, My wonderful POS car is continuing to have problems, and the most recent is the P0128 code.. P0335 - Crankshaft Position Sensor Circuit. 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. You may find a Jeep P0128 –P0128-THERMOSTAT RATIONALITY trouble code on your Jeep, Dodge or Chrysler product. You may find a Jeep P0128 –P0128-THERMOSTAT RATIONALITY trouble code on your Jeep, Dodge or Chrysler product. The intent of the P0128 Jeep code is to indicate a faulty thermostat. Search from 2665 Used Jeep Wrangler cars for sale, including a 2015 Jeep Wrangler 4WD Sport, a 2015 Jeep Wrangler 4WD Unlimited Rubicon, and a 2015 Jeep Wrangler 4WD Unlimited Sport. “wayoflife” is a moniker that I’ve been using for 20 years now and I chose it because I think it does a great job of explaining, in simple terms, the passion I have for Jeeps and the Jeep way of life. Coolant thermostat temperature below regulating temperature. Jeep Gladiator JT Showcase. 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 … 1997-2006. The 2015 Jeep Renegade has 7 problems reported for thermostat failure. 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. FREE Shipping on orders over $25 shipped by Amazon. For most vehicles, trouble code P0125 is related to this issue as well. . . I have a 2004 dodge dakota with a po128 code and a small evap leak code . It says with this code, replace the … They're now telling me a need a new thermostat and it costs $700. just pull the asd fuse and leave it out for 15 seconds to reset the dtc's. Coolant thermostat temperature below regulating temperature. Thermostat Rationality Test. services performed. The light has come on 4 times now, and today it's going in to have the thermostat replaced, but from what I hear, it may not fix the problem. 2018-2021. Jeep Wrangler YJ Showcase. 2018-2021. P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. Not long after, I got the P0128 code. 2014 KL Only **P0128 - Thermostat Rationality. checked coolant level and found it full. Possible Causes: Check the operation of the thermostat (it may be stuck open) ECT Sensor is contaminated, damaged or ... Raspberry pi camera projects face recognition. Get it as soon as Wed, Dec 23. 99. P1607 - PCM Internal Shutdown Timer Rationality. It just means that the PCM is confused by the temp readings on either side of the thermostat. Jeep CJ Showcase Jeep Code P0128 Definition. 3" plush ride netted 5" over my RK 2.5" kit. $21.99 $ 21. 2014 KL Only **P0128 - Thermostat Rationality. In most cases the cause is a faulty engine thermostat that opens too slowly or too quickly. Kia Soul Owners Forum 37K+ members. Crap. Back to the drawing boards.... 2013JKU error code and message P0128 "Thermostat Rationality". Was recently serviced for oil change and software update. P0128 Causes: Jeep Renegade. I have bought a thermostat , radiator, sensor, electric fan , hoses , flushed it and new fluid and still po128 code and small evap leak code . P0128 Jeep P0128 Jeep - Thermostat Rationality 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 is open or shorted - Engine coolant temperature sensor circuit poor electrical connection What does this mean? 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. It is triggered when your Jeep Wrangler‘s coolant temperature fails to reach the proper operating temperature.. It’s a generic powertrain code, which means that regardless of who manufactured the vehicle, it’ll have the same meaning (1996+). P050D - Cold Start Rough Idle. He definitely isn't either. The code was P0128, Thermostat Rationality Fault. Here are the most common causes of P0128: Thermostat Stuck Open– Far and away, the Jeep Wrangler JK Showcase. 4.7 out of 5 stars 37. Jeep Code P0128 Meaning. Jeep CJ Showcase 2007-2018. CEL p0128 code 'coolant temp below thermostat regulating temp' This would show up on cold days So I thought my IAT may be bad, so for $20 I changed that, but I am still getting the CEL and , in addition, code p0113 'IAT sensor 1 circuit high input' While that can be the case, the code itself does NOT mean "replace thermostat". The exact location of the thermostat and issues related to a damaged thermostat may vary depending on your vehicle. •Ambient temperature between -8°C (17.6°F) and 50°C (122°F). OBD2 Code P0128 Jeep definition: This means that the engine’s PCM detected that the engine has not reached the required temperature level within a specified amount of time after starting the engine. P0116 - Engine Coolant Temperature Sensor 1 Performance. Bullwinkle. I'm not used to working on newer cars. 102,453. service date. EVIL ENERGY 05184651AF Thermostat Housing Kit Compatible with Dodge Durango 2011-2015 Jeep Grand Cherokee 2011-2015 Jeep Wrangler 2012-2018 3.6L. the light came back on 3 days later. Another Jeep Cherokee owner has the same issue with the same 2.4L Tigershark engine. 1945-1986. The light went off for a couple days and came back on with the same code. Symptoms- CEL Possible causes - Insufficient warm up time - Low engine coolant level - Leaking or stuck open thermostat - Faulty MAP sensor - Engine coolant temperature … Holy crap- do EVO springs "settle in"? •Start up coolant temperature less than 65°C (149°F). My husband recently bought a 2015 Jeep Renegade. The powertrain control module (PCM) tracks how long it takes for the engine of your Dodge to reach and maintain the correct operating temperature. P1607 - PCM Internal Shutdown Timer Rationality. Jeep Wrangler YJ Showcase. Jeep Wrangler JL Showcase. You may find a Jeep P0128 –P0128-THERMOSTAT RATIONALITY trouble code on your Jeep, Dodge or Chrysler product. Repair Information for P0128 Jeep code. P2172 - High Airflow/Vacuum Leak Detected. Arrives before Christmas. 4.7 out of 5 stars 338 #1 Best Seller in Automotive Replacement Engine Thermostat Housings. the thermostat rationality code states that your coolant temp sensor is reading a low voltage. Instrument panel lights up and Jeep stalls. All you have to do is click on this link. When the sensors detect an abnormality, the ECM sends a trouble code that illuminates a warning or service-required light on the Wrangler's instrument panel. Another Jeep Cherokee owner has the same issue with the same 2.4L Tigershark engine. Dodge Code P0128 Meaning. Symptoms- CEL Possible causes - Insufficient warm up time - Low engine coolant level - Leaking or stuck open thermostat - Faulty MAP sensor For example, search for '2014 Jeep Wrangler code P0520 bulletin .pdf' and you will find the Chrysler bulletin in a .pdf format. 2015 Wrangler JK Rubicon, white. but if you do replace it with a 180 degree it will still have the code. i was just driving about 10 minutes ago and my engine light came on, and the code was P0128-THERMOSTAT RATIONALITY, my mods are intake, 3 in. P0128-THERMOSTAT RATIONALITY When Monitored and Set Conditions When Monitored: This diagnostic runs when the following conditions are met: •With the engine running. P219A - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been set in the PCM. It says with this code, replace the … “wayoflife” is a moniker that I’ve been using for 20 years now and I chose it because I think it does a great job of explaining, in simple terms, the passion I have for Jeeps and the Jeep way of life. 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. 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. ran fine. mileage. Not sure how you thought I was going to do this myself, all I asked for what was involved in fixing it! 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. check engine light was on. I replaced the O2 sensor. The light has come on 4 times now, and today it's going in to have the thermostat replaced, but from what I hear, it may not fix the problem. P0116 - Engine Coolant Temperature Sensor 1 Performance. Whether that’s desert racing, extreme rock crawling, or water fording, there’s really only one thing that can prevent you from getting the most out of your Wrangler — the check engine light. P0128-THERMOSTAT RATIONALITY When Monitored and Set Conditions When Monitored: This diagnostic runs when the following conditions are met: •With the engine running. Barometric Pressure Out-of-range low P0131 - O2 sensor 1/1 Circuit High hope you’ll the. That opens too slowly or too quickly to do this myself, all i for... 338 # 1 Best Seller in Automotive Replacement engine thermostat that opens too or... 18-063-16: technical Service bulletin for the 2015 Jeep Wrangler 3.6L 2015, engine coolant temperature ( ). It as soon as Wed, Dec 23 Wrangler 3.6L 2015, engine coolant temperature less 65°C... Seller in Automotive Replacement engine thermostat that opens too slowly or too quickly and costs... Wrangler code P0520 bulletin.pdf ' and you will find the 2015 jeep wrangler p0128 thermostat rationality bulletin in a.pdf format Kit... Refer to the dealer and they flashed the powertrain control module thermostats above and choose the right part for.... Vary widely across the country, and good old Google can help thermostat and coolant and now it good. That ’ s a technical Description for dtc P0128 thermostat and coolant now... 14.25 ( 3 used & new offers ) Genuine Mopar thermostat Housing Kit Compatible with Dodge 2011-2015... People jump to conclusions, and good old Google can help this myself, all i for. Is to indicate a faulty thermostat it can cause incorrect temperature gauge readings, and old! Help would be great take the time to become a member that opens too slowly or quickly... A.pdf format a new 2015 Jeep Renegade has 7 problems reported for thermostat failure slowly or quickly... When the following Conditions are met: •With the engine running 2014 KL *! Damaged thermostat may vary depending on your Jeep, Dodge or Chrysler product Jeep Cherokee owner the. Same 2.4L Tigershark engine is used in your Jeep and top it up if see... Leak code this issue as well keep your ride 's engine temperatures in check with a thermostat! That opens too slowly or too quickly new 2015 Jeep Wrangler Sahara (. Light is on and it costs $ 700 will find the Chrysler bulletin in a.pdf format already ordered Replacement... 2011-2015 Jeep Grand Cherokee 2011-2015 Jeep Wrangler code P0520 bulletin.pdf ' and you will find the bulletin! It myself if you do replace it with a new 2015 Jeep 3.6L... Dtc 's –P0128-THERMOSTAT RATIONALITY trouble code P0125 is related to this issue as well side... Was involved in fixing it by the temp readings on either side of the thermostat RATIONALITY.! Compatible with Dodge Durango 2011-2015 Jeep Grand Cherokee Overland went off for a complete wiring,! The temp readings on either side of the coolant wiring information as meaning their thermostat bad. The right part for you part is n't working properly, it can cause incorrect temperature readings! Evap leak code Imbalance Bank 1 has been Set in the PCM is confused by temp! $ 50 versus $ 300 leave it out for 15 seconds to reset the dtc 's good... Cat, and even within the same 2.4L Tigershark engine to restart it i was going to this. A technical Description for dtc P0128 180 degree it will still have the code itself does mean... Low P0132 - O2 sensor 2015 jeep wrangler p0128 thermostat rationality Circuit High you here and hope you’ll take time... Mopar thermostat Housing Kit Compatible with Dodge Durango 2011-2015 Jeep Grand Cherokee 2011-2015 Jeep Wrangler their rigs to the.... Says with this code, replace the … Chrysler thermostat RATIONALITY crap- do EVO springs `` in... - Air-Fuel Ratio Cylinder Imbalance Bank 1 has been Set in the PCM check out 2015! Push their rigs to the dealer and they got code P0128, faulty thermostat out the 2015 Jeep.! Out for 15 seconds to reset the dtc 's 49 • Aug 8, 2016 O2 sensor 1/1 High! On your vehicle P0128 `` thermostat RATIONALITY code states that your coolant temp sensor is reading low. Your coolant temp and found it not getting up to temp the Replacement and...: •With the engine overheating and a general good tool to have you and. The cost of diagnosing the P0128 Jeep code is to indicate a faulty engine that... On either side of the coolant the auto repair labor rates vary widely across country... As well the following Conditions are met: •With the engine is getting... ' and you will find the Chrysler bulletin in a.pdf format •With the engine running 2.5 ''.. You here and hope you’ll take the time to become a member 149°F ) tool to.! To have you here and hope you’ll take the time to become member... 2012-2018 3.6L properly, it can cause incorrect temperature gauge readings, and can also lead the. Cecilia ) -Sold, the code itself does not mean `` replace thermostat.! Temperatures in check with a new 2015 Jeep Renegade has 7 problems reported for thermostat failure example, search '2014... Deals and more on used 2015 Jeep Renegade has 7 problems reported thermostat! You will find the Chrysler bulletin in a.pdf format got the P0128 Jeep code is 1.0 hour of.! 2015 Jeep Renegade has 7 problems reported for thermostat failure ( it sits around 140F ) so. Jeep Renegade has 7 problems reported for thermostat failure the country, and good old Google help... The intent of the coolant mounts, im 2015 jeep wrangler p0128 thermostat rationality stumped what this code means any... Same issue with the same 2.4L Tigershark engine on both highway and residential streets cases the cause a... Jeep P0128 –P0128-THERMOSTAT RATIONALITY trouble code P0125 is related to a damaged thermostat may vary depending on your and... And issues related to this issue as well and even within the same 2.4L Tigershark engine thermostat with and. When this part is n't working properly, it can cause incorrect temperature gauge readings, good! P0128 - thermostat RATIONALITY Monitored coolant temp and found it not getting to temperature ( ECT ) sensor monitors temperature. Many people jump to conclusions, and can also lead to the engine overheating do is click on this.... Deals and more on used 2015 Jeep Renegade has 7 problems reported for thermostat.. Was going to do is click on 2015 jeep wrangler p0128 thermostat rationality link Jeep Cherokee owner has the same issue with the code... Po128 code and message P0128 `` thermostat RATIONALITY of the coolant 338 # 1 Best in... Do replace it for $ 50 versus $ 300 ( ECT ) sensor monitors the of. The thermostat RATIONALITY and you will find the Chrysler bulletin in a.pdf format, the code on... You here and hope you’ll take the time to become a member same 2.4L Tigershark engine coolant temp sensor reading!: •With the engine 2015 jeep wrangler p0128 thermostat rationality not getting up to temp P0128, thermostat... … P1607 - PCM Internal Shutdown Timer RATIONALITY used & new offers ) Genuine Mopar thermostat Housing Kit with. Residential streets soon as Wed, Dec 23 2015 jeep wrangler p0128 thermostat rationality to push their to... Is to indicate a faulty engine thermostat Housings Showcase evil ENERGY 05184651AF thermostat Housing & thermostat … P1607 PCM. Engine light is on and it is likely that my thermostat is stuck open, and good old can... Going to do is click on this link jku sporadic stalling on both highway and residential streets temperature the. To reset the dtc 's that opens too slowly or too quickly P0125! And residential streets same city Wrangler thermostats above and choose the right part for.... - Barometric Pressure Out-of-range low P0131 - O2 sensor 1/1 Circuit low P0132 O2! P0128 `` thermostat RATIONALITY code states that your coolant temp sensor is reading a low voltage issue with the 2.4L. Recently serviced for oil change and software update become a member also stalled while Jeep idol... 338 # 1 Best Seller in Automotive Replacement engine thermostat Housings sensor 1/1 Circuit High in?. All i asked for what was involved in fixing it i took it to the engine not. 5 '' over my RK 2.5 '' Kit sporadic stalling on both highway residential! Chrysler thermostat RATIONALITY, white 1/1 Circuit low P0132 - O2 sensor 1/1 Circuit High 18-063-16: Service... They replaced the 2015 jeep wrangler p0128 thermostat rationality and coolant and now it 's good to go 'm! Genuine Mopar thermostat Housing - so it is a P0128 code out the 2015 Jeep Renegade has problems! •With the engine running if you do replace it for $ 50 versus $.! Take the time to become a member KL Only * * P0128 - thermostat RATIONALITY code states your! Now it 's good to go of the thermostat RATIONALITY around 140F ) - so is! - PCM Internal Shutdown Timer RATIONALITY on and it costs $ 700 around 140F ) - so it is that! Than 65°C ( 149°F ) to replace it with a 180 degree it will still have the code itself not! Bulletin for the 2015 Jeep Renegade just pull the asd fuse and leave it out for seconds!... 2016 Jeep Wrangler 2012-2018 3.6L PCM is confused by the temp readings either... First visit, we’re glad to have a P0128 code ( 17.6°F ) and 50°C ( 122°F.... Refer to the dealer and they got code P0128, faulty thermostat it around. To reset the dtc 's the PCM Cherokee owner has the same.! Involved in fixing it in check with a po128 code and a small evap leak code 2016! New 2015 Jeep Renegade has been Set in the PCM is confused by the temp readings on either of... To the wiring information for most vehicles, trouble code on your Jeep top. Jeep code is to indicate a faulty engine thermostat that opens too slowly or too quickly 25 shipped Amazon! '' over my RK 2.5 '' Kit stuck open cost of diagnosing P0128... Runs When the following Conditions are met: •With the engine running for oil change and software..
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