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Jeep Cherokee "COOLANT SENSOR BAD"

Q. I have a 1997 Jeep Grand Cherokee that intermittently shows "COOLANT SENSOR BAD" on the display panel. I 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. What sensor causes "COOLANT SENSOR BAD" to show on the display panel?

Jeep Cherokee COOLANT SENSOR BAD

What is the resistance of the sensor when the coolant level is correct? What should I look for next?

A. The Coolant Sensor Bad Message indicates a bad Coolant Level Sensor, a bad Vehicle Information Center (VIC) or an open in the wiring.

The Coolant Level Sensor resistance is 3.3K ohms. If you check it at the sensor and the VIC connector, you will be able to determine if it is the sensor or the wiring.

Jeep Cherokee COOLANT SENSOR BAD

Additional Information provided courtesy of ALLDATA

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