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Home >> Chrysler >> 2009 >> PT Cruiser Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 54 (DTCS P000A To P0111) >> P0072-Ambient Air Temperature Sensor Circuit Low >> Possible Causes

Possible Causes

WARNING: This page is about a different car, the 2009 Dodge Caliber. However, it is still accessible from the selected car via links, so may be relevant.
Possible Causes 
INTERMITTENT DTC
(G31) AAT SIGNAL CIRCUIT SHORTED TO GROUND
(G31) AAT SIGNAL CIRCUIT SHORTED TO (G931) AAT SENSOR GROUND
(G31) AAT SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
AMBIENT AIR TEMPERATURE SENSOR
TOTALLY INTEGRATED POWER MODULE (TIPM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. See  DTC-Based Diagnostics/MODULE, Powertrain Control (PCM) - Standard Procedure