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Home >> BMW >> 2017 >> X5 xDrive35d >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Diagnostic Trouble Codes (N47 & N57, Diesel) >> Fault Code Tests >> DTC P023B: BMW DTC 20A109; DME -- Charge Air Cooler Coolant Pump Control Circuit Low >> Action in service

Action in service

Check wires and plug connections between the following components:

Replace the auxiliary coolant pump of the charge air cooler.