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Home >> Fiat >> 2021 >> 500X Trekking >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning - DTCS B1912-15 To U2031-87 >> DTC Troubleshooting >> B1915-15-Treated Air Temperature Sensor Input Floor Left Side - Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

Possible Causes
LEFT FLOOR TEMPERATURE SENSOR SIGNAL CIRCUIT OPEN OR HIGH RESISTANCE
LEFT FLOOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT
SENSOR GROUND CIRCUIT OPEN OR HIGH RESISTANCE
LEFT FLOOR DUCT TEMPERATURE SENSOR
HVAC MODULE

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  .