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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 >> B11C2-14-Front Mode Door 1 Control-Circuit Short To Ground Or Open >> Possible Causes

Possible Causes

Possible Causes
PANEL MODE DRIVE CIRCUIT OPEN
PANEL MODE DRIVE CIRCUIT SHORT TO GROUND
DEFROST MODE DRIVE OPEN
DEFROST MODE DRIVE SHORT TO GROUND
MODE DOOR ACTUATOR
HVAC MODULE

Always perform the HVAC Pre-Diagnostic Troubleshooting procedure before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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