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Alfa Romeo DTC

Alfa Romeo DTC P0071

Manufacture

Alfa Romeo DTC

Code

P0071

Definition

Ambient Air Temperature Sensor Circuit A Range-Performance

Description

After a calibrated amount of cool down time, the PCM compares the AAT, ECT, and IAT Sensor values. If the AAT Sensor value is not within 10°C (18°F) of the other temperature sensors, the AAT Sensor is declared as irrational.

Cause

  • High Resistance In The Aat Signal CircuitHigh Resistance In The Aat Sensor Ground CircuitAmbient Air Temperature (Aat) SensorBody Control Module (Bcm)

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