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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 >> B1909-11-RECIRCULATION Motor Command - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
RECIRCULATION AIR INLET DRIVE CIRCUIT SHORTED TO GROUND
OUTSIDE AIR INLET DRIVE CIRCUIT SHORTED TO GROUND
RECIRCULATION DOOR DRIVER CIRCUIT SHORTED TO GROUND
RECIRCULATION DOOR ACTUATOR
HVAC MODULE

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

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