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Home >> Fiat >> 2015 >> 500 Pop, Standard Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> (Heating & Air Conditioning - Electrical Diagnostics - 500 - Except Electric) >> DTC Troubleshooting >> B1909-11-RECIRCULATION Door Control - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
RECIRCULATION DOOR DRIVER CIRCUIT SHORTED TO GROUND
RECIRCULATION DOOR COMMON DRIVER CIRCUIT SHORTED TO GROUND
RECIRCULATION DOOR ACTUATOR
A/C HEATER CONTROL

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

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