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Volvo engine code DTC P0070
Ambient Air Temperature Sensor (AAT): Circuit Monitors The rationality monitor for the ambient air temperature sensor monitors for missing signal from the sensor. If the sensor signal is missing for a specified time the rationality DTC is set. P0070 Ambient Air Temperature Sensor (AAT): Open Circuit DTC P0070 Component / System AAT - Open Monitor Strategy Description Open Circuit Fault Limit Sensor Voltage > 90 °C (4.5 V) Enable Conditions • Key On Active • Battery Voltage > 8 V Disable Conditions No Active DTC's: • N/A Time Required For DTC To Be Set Continuous MIL Illumination 2 Drive Cycles