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Home >> Jeep >> 2021 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning (ATC) - DTCS B1E9C-11 To U1480-00 >> Diagnosis And Testing >> B1F13-12-Rear Right Heater Control 2-Circuit Short To Battery >> Possible Causes

Possible Causes

Possible Causes
RIGHT REAR SEAT BACK HEATER CONTROL CIRCUIT SHORTED TO VOLTAGE
RIGHT REAR SEAT BACK HEATER CONTROL CIRCUIT SHORTED TO ANOTHER CIRCUIT
COMFORT REAR SEAT MODULE (CRSM)

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