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Home >> Jeep >> 2009 >> Commander Overland, RWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Communication Devices >> Heated Seat Module (HSM) - Electrical Diagnostics >> DTC Troubleshooting >> B117F-Rear Left Seat Heater Control Circuit Open >> Possible Causes
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Possible Causes

Possible Causes 
(P177) REAR LEFT SEAT HEATER CONTROL CIRCUIT OPEN
(P177) REAR LEFT SEAT HEATER CONTROL CIRCUIT SHORTED TO VOLTAGE
(Z909) SEAT HEATER GROUND CIRCUIT OPEN
SEAT CUSHION HEATER ELEMENT OPEN
SEAT BACK HEATER ELEMENT OPEN
HEATED SEAT MODULE