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Home >> Jeep >> 2023 >> Wagoneer Carbide, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating And Air Conditioning (ATC) - DTCS B1E9A-4B To B1F12-12 >> DTC Troubleshooting >> B1E9B-19-Rear Left Heater Control 1-OVERCURRENT >> Possible Causes

Possible Causes

Possible Causes
REAR LEFT SEAT BACK HEATER FEED CIRCUIT SHORTED TO ANOTHER CIRCUIT
REAR LEFT SEAT HEATER ELEMENT
COMFORT REAR SEAT MODULE (CRSM)

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

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