Mike's Workshop Manuals
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2025
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Pacifica Plug-In Hybrid Select
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Repair and Diagnosis
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Engine Performance
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System
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3.6L - DTCS P2123 To P2181
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DTC Troubleshooting
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P2181 Cooling System Performance
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Set Condition
Set Condition
The difference between the predicted ECT Sensor value and the actual ECT Sensor value is above a calibrated threshold.