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Home >> BMW >> 2012 >> X6 50i >> Repair and Diagnosis >> External Pages >> Different car >> Section 1539 (Self Diagnosis - Diagnostic Trouble Codes - DTC P14C0 - DTC U1179 (N63 & S63)) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC U117B, BMW Hex Code 0x20A408, BMW Code 2139144: Charge Air Cooler Coolant Pump Communication Plausibility >> Possible Fault Causes

Possible Fault Causes

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-Collateral fault when defects occur on LIN bus, especially when diagnostic fault code 0x20A001 is logged

-Defect in wiring harness between DME (Pin 46) and intercooler water pump (Pin 3)

-Intercooler water pump defective

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