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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 >> B1902-11-Distribution Motor Command - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
DEFROST MODE DRIVE CIRCUIT SHORTED TO GROUND
PANEL MODE DRIVE CIRCUIT SHORTED TO GROUND
MODE DOOR SIGNAL CIRCUIT SHORTED TO GROUND
FRONT MODE DOOR ACTUATOR
HVAC MODULE

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

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