P0070 BMW – Ambient Air Temperature Sensor Malfunction

P0070 BMW Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P0070 BMW Possible Causes

Faulty ambient air temperature sensor,Ambient air temperature sensor harness is open or shorted,Ambient air temperature sensor circuit poor electrical connection

P0070 BMW Description

The Powertrain Control Module (PCM) monitors the Ambient Air Temperature Sensor. The PCM sets the OBDII code when the Ambient Air Temperature Sensor is not to factory specifications.