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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 >> B1902-77-Distribution Motor Command - Commanded Position Not Reachable >> Possible Causes

Possible Causes

Possible Causes
DOOR ACTUATOR CIRCUIT OPEN OR HIGH RESISTANCE
FRONT MODE DOOR BINDING
FRONT MODE DOOR STOP
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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