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Home >> BMW >> 2011 >> Alpina B7L >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P14C0 - DTC U1179 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC U11B6, BMW Hex Code 0xCD9201, BMW Code 13472257: Lost Communication With Controlled Upper Air Shutter via LIN >> Repair procedures (plant/service)

Repair procedures (plant/service)

-Check LIN bus between DME and radiator vent slat assembly

-Check power-supply voltage to radiator vent slat assembly

-Check wiring harness

-Replace radiator vent slat actuator

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