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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis >> Engine Performance >> System >> DTCS P000B To P0123 - NGC >> P0071-Ambient Air Temperature Sensor Performance >> Possible Causes
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Possible Causes

Possible Causes 
(G31) AAT SIGNAL CIRCUIT HIGH RESISTANCE
(G31) AAT SIGNAL CIRCUIT SHORTED TO GROUND
(G31) AAT SIGNAL CIRCUIT SHORTED TO THE (G931) SENSOR GROUND CIRCUIT
(G31) AAT SIGNAL CIRCUIT SHORTED TO VOLTAGE
(G931) SENSOR GROUND HIGH RESISTANCE
AMBIENT AIR TEMPERATURE SENSOR
CAN C BUS CIRCUITS
FRONT CONTROL MODULE (FCM)
POWERTRAIN CONTROL MODULE (PCM)

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