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Home >> Jeep >> 2022 >> Grand Cherokee L Laredo, RWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating & Air Conditioning (ATC) - DTCS B1F10-11 To B2107-16 >> DTC Troubleshooting >> B1F13-13-Rear Right Heater Control 2-Circuit Open >> Possible Causes

Possible Causes

Possible Causes
RIGHT REAR SEAT BACK HEATER CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
GROUND CIRCUIT OPEN OR HIGH RESISTANCE
SEAT BACK 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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