P023C Code – Charge Air Cooler Coolant Pump Control Circuit High

Code P023C Possible Causes
Charge Air Cooler Coolant Pump circuit poor electrical connection
Charge Air Cooler Coolant Pump harness is open or shorted
Faulty Charge Air Cooler Coolant Pump
Faulty Manifold Absolute Pressure Sensor MAP
Faulty Turbocharger/Supercharger Boost Sensor
Manifold Absolute Pressure Sensor MAP circuit poor electrical connection

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