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Home › Jeep › 2018 › Grand Cherokee Trackhawk › Repair and Diagnosis › Engine Performance › System › 6.2L - DTCS P2100 To P2503 › DTC Troubleshooting › P2181-Cooling System Performance › Default Action

Default Action

The MIL light will illuminate.
The ETC light will illuminate.
If the vehicle is equipped with the stop/start feature, the system will be disabled when this DTC is active.