it means that your coolant sensor is bad and needs to be replaced. it can also be a bad or faulty wiring connection. make visual and manual checks and in spections on the wiring harness leading to and from the sensor which is located on the top of your water-pump houseing. the new sensor is a dealer part,and comes with a warrenty . I bought a new one and it was bad. how funny good luck.
sensor is in the plastic reserve on the float.
if it is a 96 like mine it is on the top of the coolant resovoir. it is rounnd and has an electrical connector attached to it
It means your coolant sensor is bad and needs replaced.
The coolant temperature sensor on a 2001 Jeep Grand Cherokee is located on the T-stat. It is on the passenger side of the Jeep.
Not sure if this helps, but the book I have on my 1996 Jeep Grand Cherokee says that their are 2 of these sensors, I have not had the time to look for the second one. I have the same problem.
Low coolant or bad sensor
On the coolant overflow bottle that in on the passenger side of the engine.
What type of coolant sensor? The below answer is for the coolant LEVEL sensor. The coolant TEMPERATURE sensor on my vehicle is located just next to the thermostat housing. On the front top center area of the engine just behind the radiator. Follow the coolant hoses if you have trouble. On my 1995 Jeep Grand Cherokee the sensor is located on the top of the plastic coolant reservoir tank. Look for a small (2-wire?) electrical connector.
Under hood, center, upper engine area, mounted in driver side of water outlet
The 1994 Jeep Grand Cherokee IAT sensor can be found attached to the air intake hose. The IAT sensor will be near the air filter box.
Don't worry about it those screens are all faulty & blink coolant temp sensor.
behind the alternator