Home >> BMW >> 2013 >> 335i 2D Convertible, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Self Diagnosis - N55 - Diagnostic Trouble Codes - DTC P0462 (BMW DTC 193002) Through DTC P16E9 (BMW DTC 1F1A92) >> DTC P0597; BMW DTC 1D2404: Map thermostat, activation: open circuit >> Fault code