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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 B1030-11 To B11C8-92 >> DTC Troubleshooting >> B10B3-15-Cabin Heater 1 Control-Circuit Short To Battery Or Open >> Possible Causes

Possible Causes

Possible Causes
CABIN HEATER 1 RELAY CIRCUIT SHORTED TO BATTERY
CABIN HEATER 1 RELAY CIRCUIT OPEN
CABIN HEATER 1 RELAY
HVAC MODULE

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

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