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Home >> BMW >> 2012 >> X6 50i >> Repair and Diagnosis >> External Pages >> Different car >> Section 1998 (Self Diagnosis - Diagnostic Trouble Codes - DTC P0035 - DTC P0480 (N63 & S63)) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P304C, BMW Hex Code 0x138601, BMW Code 1279489: Controlled Upper Air Shutter, Upper Stop Not Detected >> Fault description

Fault description

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The diagnostic function monitors whether the assembly reaches the upper limit of its travel range (radiator vent slats open) after first repositioning to the lower extremity of its travel range (radiator vent slat closed) during the self-test.

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