Home >> Saab >> 2011 >> 9-5 Turbo6 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio System With Navigation >> Fault Diagnosis, Fault Codes >> DTC B2455 02: Mobile Telephone, Microphone Circuit Shorted to Ground; DTC B2455 04: Mobile Telephone, Microphone Circuit Open >> Conditions for Running the DTC