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Home >> Jeep >> 2010 >> Commander Sport, 5.7 T, RWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Front Control Module (FCM) - Electrical Diagnostics >> DTC Troubleshooting >> B1820-Hood Ajar Input Circuit High >> Possible Causes
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Possible Causes

Possible Causes 
INCORRECT HOOD AJAR SWITCH INSTALLED
HOOD AJAR SWITCH OPEN
(Z384) GROUND CIRCUIT OPEN
(G70) HOOD AJAR SWITCH SENSE CIRCUIT SHORT TO VOLTAGE
(G70) HOOD AJAR SWITCH SENSE CIRCUIT OPEN
FRONT CONTROL MODULE (FCM)
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