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Home >> Jeep >> 2022 >> Renegade Sport, FWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning - DTCS B1906-11 To B1919-1C >> DTC Troubleshooting >> B1919-11-Blower Module - Circuit Short To Ground >> Possible Causes

Possible Causes

Possible Causes
FRONT BLOWER PWM CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
FRONT BLOWER PWM CONTROL CIRCUIT SHORTED TO GROUND
FRONT BLOWER MOTOR POWER MODULE
HVAC MODULE

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

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