Home >> Jeep >> 2023 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating And Air Conditioning (ATC) - DTCS B11CB-15 To B1E9A-19 >> DTC Troubleshooting >> B1E99-4B-Front Left Heater Control 1-Over Temperature >> Default Action