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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 >> B1919-15-Blower Module - Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

Possible Causes
FRONT BLOWER PWM CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
FRONT BLOWER PWM CONTROL CIRCUIT SHORTED TO VOLTAGE
FRONT BLOWER PWM CONTROL CIRCUIT SHORTED TO ANOTHER CIRCUIT
FRONT BLOWER MOTOR POWER MODULE
HVAC MODULE

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