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Home >> Fiat >> 2021 >> 500X Trekking >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning - DTCS B1030-11 To B1912-11 >> DTC Troubleshooting >> B1030-15-Evaporator Temperature Sensor-Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

Possible Causes
EVAPORATOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO VOLTAGE
EVAPORATOR TEMPERATURE SENSOR SIGNAL OPEN
SENSOR GROUND CIRCUIT OPEN
EVAPORATOR TEMPERATURE SENSOR
HVAC MODULE

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

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