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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 >> B1915-11-Treated Air Temperature Sensor Input Floor Left Side - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
LEFT FLOOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO GROUND
LEFT FLOOR TEMPERATURE SENSOR SIGNAL CIRCUIT SHORTED TO ANOTHER CIRCUIT
LEFT FLOOR DUCT TEMPERATURE SENSOR
HVAC MODULE

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

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