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Home >> Alfa Romeo >> 2017 >> Giulia Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> 2.0L - DTCS P0691-00 To P110F-00 >> DTC Troubleshooting >> P105E-00-Humidity Sensor Circuit Out Of Range Low >> Possible Causes

Possible Causes

Possible Causes
HUMIDITY SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
5-VOLT SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
MASS AIR FLOW SENSOR
POWERTRAIN CONTROL MODULE (PCM)

Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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