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Home >> Fiat >> 2021 >> 500X Trekking >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning - DTCS B1912-15 To U2031-87 >> DTC Troubleshooting >> B1932-11-PTC High Power Relay Driving Command Output - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
CABIN HEATER 2 RELAY CONTROL CIRCUIT SHORTED TO GROUND
PTC 2 RELAY
HVAC MODULE

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

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