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Home >> BMW >> 2010 >> 550i Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Self Diagnosis - Theory & Operation (N62) >> 1.15 Comprehensive Component Monitoring >> 1.15.3 Diagnosis of ambient air temperature >> 1.15.3.1 CAN signal check

1.15.3.1 CAN signal check

P110F (TUMEsig) 

If the ambient air temperature received via CAN is not valid or not received for a calibrated period of time, a TUMEsig fault indicating a malfunction will be set.