Question about 2001 Jeep Grand Cherokee
Before replacing the module ($$$$) check the temperature sensor at the front of the vehicle behind the bumper or grill. A reading of -40 indicates a high resistance (NTC resistor sensor). This is probably due to water ingress on a connector causing the high resistance. But could be a bad sensor too. You can also check the module by unplugging the temperature sensor and shorting the two wires that go back to the module together. Shorting the two wires together should show an off scale high reading like 120 or 130 degrees. If it does then the module is OK the problem is the wiring or the sensor. You can use this method to check the wiring all the way up to the module incase there is high resistance in the wiring between the module and the temperature sensor.
Posted on Sep 22, 2008
Need overhead module
Posted on Aug 17, 2008
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Posted on Jan 02, 2017
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