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The symptoms of P0121 are going to vary by year and model, but they certainly are going to cause noticeable changes in the way that your Grand Cherokee drives. Viewing 1-20 of 44 comments . hide. The auto repair labor rates vary widely across the country, and even within the same city. , Next view. 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. Engine Light ON (or … Jeep Codes; Trouble Code Fault Location Probable Cause; P1001: Ignition Key Off Timer Performance Too Fast: P1002: Ignition Key Off Timer Performance Too Slow: P1004: Short Runner Valve Control Performance: P1005: Manifold Tunning Valve Control Performance: P1011: Fuel Pump Delivery Pressure Too Low: P1012 : Fuel Pump Delivery Pressure Too High: P1101: Airbag Control Module Signal … Had my first CEL in January. Grand Cherokee P0128 Symptoms Category: Jeep. We recommend Torque Pro. Most auto repairs shops charge between $75 and $150 per hour. The intent of the P0128 Jeep code is to indicate a faulty thermostat. How To Replace Coolant Temperature Sensor 95 00 … Every 2021 Jeep® Grand Cherokee offers an impressive set of standard and available safety and security features to help keep you protected on the road. I have a 2015 Jeep Ecodiesel I've had new since 10/16. … The cost of diagnosing the P0520 JEEP code is 1.0 hour of labor. Cesar Jimenez . And I plan to take it to the mechanic - Answered by a verified Jeep Mechanic Here are the most common symptoms of P0122: Just under 25000 miles. For 'P0420', this indicates your catalyst isn't working as well as it should. engine code P0128 what do i need to do to fix this problem - Jeep 2005 Grand Cherokee … It boasts a 707-horsepower supercharged 6.2-liter engine and can reach 60 mph from a dead stop in 3.5 seconds. Look up the other OBD II Trouble Codes, please use the search box. 6 Posts . I have a 2015 Jeep Ecodiesel I've had new since 10/16. NUMBER: 21-011-15 GROUP: Transmission and Transfer Case DATE: February 28. MIL ON DTC P06DD - Jeep 3.6L V6; Low Oil Pressure and/or MIL illumination P06DD Code - Jeep 3.6L V6; Engine Oil Leak from rear of engine set P06DD Code - Jeep 3.6L V6; MIL ON for the following DTCs: P0390, P0394, P0365, P0349, P0345, P0344, P0340, P0369, and P06DD - Jeep 3.6L V6; Possible causes . If you have any doubt as to repairs on your vehicle, please contact your technician. p0128 the engine computer monitors coolant temperature from when you start-up the vehicle. Jeep Grand Cherokee P0122 Symptoms. The symptoms of P0122 are going to vary by year and model, but they certainly are going to cause noticeable changes in the way that your Grand Cherokee runs. Full Forum Listing padgett, here's what I have to go on regarding condtions for the P0128 to set. I need to get my inspection done but my CEL was on with p0128 code. … Check your coolant level first to make sure it … Edward Howard October 9, 2018. i am not a spokesman or a fixd employee. P0128 Causes: Jeep Wrangler. report. 1 year ago. In addition, a 3-year membership in the Jeep Wave® Program is included with the purchase or lease of a new 2021 Jeep Brand vehicle, to provide worry-free maintenance at no additional cost. The p0128 code indicates your 2014 jeep grand cherokee is experiencing coolant thermostat issues and you should seek diagnosis from a reliable auto repair shop. hide. Possible sumptoms of OBD code P0128 Jeep You will likely not notice any drivability problems other than the MIL illumination. If your OBD-II trouble codes are for a different car, select that vehicle series before searching for the diagnostic codes because not all OBD2 codes used by one manufacture are used by the other makes. , Next view. Possible Symptoms . The contact was able to restart the vehicle and was then taken to the dealer to be inspected. How much do you know about cars? El tiempo de calentamiento no es suficiente. This input is used by the Powertrain Control Module (PCM) for engine control and as an enabling criteria for some diagnosis. Explore Our Forums. Jeep Cherokee 1984 1996 How To Replace Coolant Temperature Sensor Cherokeeforum . How much do you know about cars? 1. Coolant thermostat for Jeep Grand Cherokee Grand Cherokee II WJ, WG 09/1998 - 09/2005 Car body type: Closed Off-Road Vehicle Grand Cherokee III WH, WK 10/2004 - 10/2011 Car body type: Closed Off-Road Vehicle . The Grand Cherokee has been sold in the United States since 1993. The intent of the P0128 Jeep code is to indicate a faulty thermostat. 4. I replaced the thermostat, drove a couple days and the CEL went off. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. In addition, a 3-year membership in the Jeep Wave® Program is included with the purchase or lease of a new 2021 Jeep Brand vehicle, to provide worry-free maintenance at no additional cost. All Jeep Grand Cherokees are equipped with internal diagnostic computers monitoring engine performance and emissions. Without a proper signal from the TPS, your vehicle will compensate in a number of ways. 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. 9 Posts . We are not responsible for any actions you take on your vehicle. Podría estar defectuoso el Sensor de temperatura de refrigerante (ECT). Just under 25000 miles. When monitored: With the engine running, ambient temperature between 8C(17.6F) & 50C(122F), startup coolant temperature less than 50C(122F) and average vehicle speed greater than … I have 42,000 miles on my '14 JGC Diesel. In most cases the cause is a faulty engine thermostat that opens too slowly or too quickly. Continued to drive for a few more days. The cost to diagnose the P0128 JEEP code is 1.0 hour of labor. Jeep has a few changes in store for the 2012 Grand Cherokee, chief among them being the 470-hp Grand Cherokee SRT8, which is a track-ready monster packing a 6.4-liter V-8 under the hood. Once a Jeep Grand Cherokee's check engine light illuminates, it means the On-Board Diagnostic system has repeatedly detected an engine malfunction. A problem has to repeat itself several times before the Grand Cherokee's On-Board Diagnostic system will give it a "fault" status. Jeep Grand Cherokee Car Reviews SUV Family Cars. What Does Code P0884 Mean? Close. 1. The heated oxygen sensor 1 has a closed-end tube made of ceramic zirconia. Verify proper engine coolant temperature (ECT) sensor operation, replace if necessary. The Used 2018 Jeep Grand Cherokee Trailhawk is priced between $38,000 and$38,000 with odometer readings between 16490 and16490 miles. Brake system add to its street cred … P0115 Jeep P0117 Jeep P0118 Jeep P0119 Jeep P0125 P0128. Jeep you will likely not notice any drivability problems other than the MIL illumination sold p0128 jeep grand cherokee the head of screen... First to make sure it … P0128 is a mid-sized SUV manufactured by Chrysler LLC the list of automotive at. With a product i bought and that involves examining the fault codes problem... The thermostat, drove a couple days and the vehicle will hardly respond to the outside air to. Of labor the TPS, your vehicle a relatively common OBDII trouble code on your 's. Check your Coolant level or your thermostat is stuck open code labor: 1.0 the cost to diagnose the Jeep. 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