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Home >> Jeep >> 2002 >> Grand Cherokee Overland >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Modules >> Symptom Tests >> Instrument Cluster >> Temperature Gauge Inoperative

Temperature Gauge Inoperative

Possible Causes are:

Ensure that the cooling system operates properly before proceeding with this test. Diagnose and repair any PCM, MIC, BCM, or Communication DTCs before proceeding with this test. Perform the Instrument Cluster self test. The self test can be performed manually or with using the DRBIII(R). Turn ignition off. Press and hold the Trip Reset button. Turn ignition on. Observe the Temperature gauge during the self test. The Temperature gauge should position the indicator needle at the following calibration points: 100°F (40°C), 210°F (100°C), 250°F (122°C), Temp High and Temp Critical. Did the Temperature gauge indicate the proper calibration points? If yes, the condition is not present at this time. Monitor DRBIII(R) parameters while wiggling the related wire harness. Refer to any Technical Service Bulletins (TSB) that may apply. Visually inspect the related wiring harness and connector terminals. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS. If no, replace the instrument cluster. Perform BODY VERIFICATION TEST VER 1  under VERIFICATION TESTS.

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