Mercedes Benz

P0072 B14 (Ambient temperature display temperature sensor) : Short circuit to ground (P0072) 10.52SS Page 8352010 Mercedes Benz E 63 AMG Sedan (212.077) V8­6.3L (156.985) Copyright ? 2013, ALLDATA 10.52SS Page 836 Possible cause: ­ B14 (Ambient temperature display temperature sensor) Affected functions: ­ Engine output ­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­­ Test 1: Ambient temperature Test 2: Check component B14 (Ambient temperature display temperature sensor). 1. Ambient temperature Preconditions for test Ambient temperature Test prerequisite ­ Air filter and associated hoses are correctly fitted. Test sequence ­ Drive vehicle with constant engine load at a speed of > 50 km/h (> 31 mph) for approx. 5 min. Status of the relevant actual values: ­ Ambient temperature:Warning! Communication with ECU required. ­ Intake air temperature:Warning! Communication with ECU required. Question ­ Is the temperature difference between component B14 (Ambient...