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Home >> Jeep >> 2010 >> Grand Cherokee SRT-8 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> (Front Control Module (FCM) - Electrical Diagnostics) >> DTC Troubleshooting >> B10B5-Cabin Heater 1 Control Circuit High >> Possible Causes
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Possible Causes

Possible Causes
(K360) PTC NO. 1 RELAY CONTROL CIRCUIT SHORTED TO VOLTAGE
(K360) PTC NO. 1 RELAY CONTROL CIRCUIT OPEN OR HIGH RESISTANCE
PTC NO. 1 RELAY
FRONT CONTROL MODULE (FCM)