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Home >> BMW >> 2011 >> Alpina B7 >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - Diagnostic Trouble Codes - DTC P11AA - DTC P12B6 (N63 & S63) >> Diagnostic Trouble Codes (DTCS) MSD85 - Bn2020 >> DTC P16BB, BMW Hex Code 0x101801, BMW Code 1054721: Throttle Valve Actuator Start Test Spring Test Failed (Bank 2) >> Fault description

Fault description

This diagnostic feature monitors the voltages of throttle valve 2 at the emergency-air position, and whether throttle valve 2 can be moved each time Terminal 15 is switched on without a convenience start.