LEMON Manuals
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Jeep
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2010
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Grand Cherokee Laredo, 5.7 T, RWD
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Repair and Diagnosis
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Engine Performance
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Engine Control Systems
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(Front Control Module (FCM) - Electrical Diagnostics)
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DTC Troubleshooting
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B10B5-Cabin Heater 1 Control Circuit High
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Possible Causes
July 1:
So it begins
. Don't worry, this is not in the correct legal jurisdiction!
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)