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Home >> Jeep >> 2023 >> Compass Red >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P2174 To P2461 >> DTC Troubleshooting >> P2181-Cooling System Performance >> Possible Causes

Possible Causes

POSSIBLE CAUSES
LOW COOLANT LEVEL
THERMOSTAT
HIGH RESISTANCE IN THE ECT SIGNAL CIRCUIT
HIGH RESISTANCE IN THE SENSOR GROUND CIRCUIT
ENGINE COOLANT TEMPERATURE (ECT) SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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