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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 >> B1F10-13-Front Left Heater Control 2-Circuit Open >> Possible Causes

Possible Causes

Possible Causes
FRONT LEFT SEAT CUSHION HEATER SUPPLY CIRCUIT OPEN OR HIGH RESISTANCE
GROUND CIRCUIT OPEN OR HIGH RESISTANCE
FRONT LEFT SEAT CUSHION HEATER ELEMENT
COMFORT SEAT MODULE (CSM)

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

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